PREFIX obo: <http://purl.obolibrary.org/obo/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

obo:MOD_00066 a rdfs:Class ;
  rdfs:label "N-formylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-formylglycine." ;
  rdfs:subClassOf obo:MOD_00409 , obo:MOD_00908 , obo:MOD_01696 .

obo:MOD_01036 a rdfs:Class ;
  rdfs:label "O-methyl aspartyl" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:01181. Remap to MOD:01181." .

obo:MOD_01811 a rdfs:Class ;
  rdfs:label "5x(13)C,1x(15)N labeled L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to 5x(13)C,1x(15)N labeled L-methionine." ;
  rdfs:subClassOf obo:MOD_00913 , obo:MOD_01809 .

obo:MOD_00802 a rdfs:Class ;
  rdfs:label "L-histidino vanadium tetraoxide" ;
  rdfs:comment "a protein modification that effectively converts an L-histidine residue to L-histidino vanadium tetraoxide" ;
  rdfs:subClassOf obo:MOD_00772 , obo:MOD_02070 .

obo:MOD_01880 a rdfs:Class ;
  rdfs:label "L-deoxyhypusine" ;
  rdfs:comment "modification from RESID" ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01884 .

obo:MOD_00891 a rdfs:Class ;
  rdfs:label "D-serine" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to D-serine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00859 .

obo:MOD_01537 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-114 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ8plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01535 , obo:MOD_01710 , obo:MOD_01875 .

obo:MOD_01667 a rdfs:Class ;
  rdfs:label "N6-epicoccononyl lysine adduct" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with epicocconone." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01666 .

obo:MOD_02059 a rdfs:Class ;
  rdfs:label "crosslinked L-valine residue" ;
  rdfs:comment "A protein modification that contains an L-valine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00920 .

obo:MOD_00657 a rdfs:Class ;
  rdfs:label "L-glutamic acid 5-methyl ester (Gln)" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to L-glutamate 5-methyl ester." ;
  rdfs:subClassOf obo:MOD_01369 , obo:MOD_01453 .

<http://purl.obolibrary.org/obo/mod#has_functional_parent> a rdf:Property ;
  rdfs:label "has functional parent" ;
  rdfs:comment "'Entity A' has_functional_parent 'Entity B' implies that 'Entity B' has at least one chacteristic group from which 'Entity A' can be derived by functional modification." ;
  rdfs:range <https://w3id.org/linkml/Any> .

<http://purl.obolibrary.org/obo/mod#contains> a rdf:Property ;
  rdfs:label "contains" ;
  rdfs:comment "'Entity A' contains 'Entity B' implies that 'Entity B' is a part of the structure of 'Entity A'." ;
  rdfs:range <https://w3id.org/linkml/Any> .

obo:MOD_00499 a rdfs:Class ;
  rdfs:label "5-iodoacetamidofluorescein" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_01910 a rdfs:Class ;
  rdfs:label "monofluorinated residue" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of a residue with one fluorine atom." ;
  rdfs:subClassOf obo:MOD_00498 .

obo:MOD_01330 a rdfs:Class ;
  rdfs:label "iodoacetic acid -site K" ;
  rdfs:comment "OBSOLETE because identical with MOD:01094. Remap to MOD:01094" .

obo:MOD_01678 a rdfs:Class ;
  rdfs:label "N6-carbamoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively coverts L-lysine to N6-carbamoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00398 , obo:MOD_00912 .

obo:MOD_00561 a rdfs:Class ;
  rdfs:label "N-ethyl iodoacetamide-" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00749 a rdfs:Class ;
  rdfs:label "sulfur substitution for oxygen" ;
  rdfs:comment "A protein modification that effectively substitutes a sulfur atom for an oxygen atom." ;
  rdfs:subClassOf obo:MOD_00860 .

obo:MOD_01029 a rdfs:Class ;
  rdfs:label "succinylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a succinyl group linked through a carbonyl carbon." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_00941 a rdfs:Class ;
  rdfs:label "dehydropyrrolizidine alkaloid (dehydroretronecine) derivatized cysteine" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_01262 a rdfs:Class ;
  rdfs:label "nucleophilic addition to cytopiloyne - site R" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_01458 a rdfs:Class ;
  rdfs:label "alpha-amino acetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with an acetyl group." ;
  rdfs:subClassOf obo:MOD_00408 , obo:MOD_01696 .

obo:MOD_00037 a rdfs:Class ;
  rdfs:label "5-hydroxy-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine  residue to one of the diastereomeric 5-hydroxy-L-lysine  residues." ;
  rdfs:subClassOf obo:MOD_01047 .

obo:MOD_02003 a rdfs:Class ;
  rdfs:label "O3-acylated L-serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydroxy hydrogen atom of L-serine with an acyl group." ;
  rdfs:subClassOf obo:MOD_00671 , obo:MOD_00916 .

obo:MOD_00907 a rdfs:Class ;
  rdfs:label "modified L-glutamine residue" ;
  rdfs:comment "A protein modification that modifies an L-glutamine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01382 a rdfs:Class ;
  rdfs:label "N,N,N-trimethyl-L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to N,N,N-trimethyl-L-methionine." ;
  rdfs:subClassOf obo:MOD_01463 , obo:MOD_01698 .

obo:MOD_00402 a rdfs:Class ;
  rdfs:label "Gygi ICAT(TM) d8 modified cysteine" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct of a cysteine residue with the Gygi isotope-coded affinity tag d8 reagent." ;
  rdfs:subClassOf obo:MOD_01431 , obo:MOD_01820 .

obo:MOD_00468 a rdfs:Class ;
  rdfs:label "ESP-Tag light d0" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00142 a rdfs:Class ;
  rdfs:label "S-phytochromobilin-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a cysteine residue and the tetrapyrrole compound phytochromobilin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_00905 .

obo:MOD_02048 a rdfs:Class ;
  rdfs:label "crosslinked L-histidine residue" ;
  rdfs:comment "A protein modification that contains an L-histidine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00909 .

obo:MOD_01836 a rdfs:Class ;
  rdfs:label "N6-[([1-(6-nitro-2H-1,3-benzodioxol-5-yl)ethoxy]carbonyl]lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-[([1-(6-nitro-2H-1,3-benzodioxol-5-yl)ethoxy]carbonyl]lysine." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_01875 .

obo:MOD_00691 a rdfs:Class ;
  rdfs:label "5-imidazolinone ring crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by formation of an 5-imidazolinone ring." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01565 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-118 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ8plex-118 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01563 , obo:MOD_01710 , obo:MOD_01875 .

obo:MOD_00966 a rdfs:Class ;
  rdfs:label "1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal L-tryptophan residue by a formadehyde adduct to 1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_00179 a rdfs:Class ;
  rdfs:label "L-glutamyl 5-glycerylphosphorylethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-glutamyl 5-glycerylphosphorylethanolamine." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_00623 a rdfs:Class ;
  rdfs:label "fucosylated biantennary (-2 galactose) N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00082 a rdfs:Class ;
  rdfs:label "3'-methyl-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to pros-methyl-L-histidine (N-pi-methyl-L-histidine, 3'-methyl-L-histidine)." ;
  rdfs:subClassOf obo:MOD_00724 , obo:MOD_02038 .

obo:MOD_01191 a rdfs:Class ;
  rdfs:label "N-ethyl iodoacetamide-d0 - site C" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00561 .

obo:MOD_00194 a rdfs:Class ;
  rdfs:label "lactic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to an amino-terminal lactic acid." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_01677 a rdfs:Class ;
  rdfs:label "O4-(N-acetylamino)hexosyl-L-hydroxyproline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to O4-(N-acetylamino)hexosyl-L-hydroxyproline." ;
  rdfs:subClassOf obo:MOD_00915 .

obo:MOD_01251 a rdfs:Class ;
  rdfs:label "N6-[3-(carboxamidomethylthio)propanoyl]lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-[3-(carboxamidomethylthio)propanoyl]lysine." ;
  rdfs:subClassOf obo:MOD_00612 , obo:MOD_01875 .

obo:MOD_02070 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-histidine residue" ;
  rdfs:comment "A protein modification that contains an L-histidine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00909 .

obo:MOD_01132 a rdfs:Class ;
  rdfs:label "5'phos Adenosinyl" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:01165. Remap to MOD:01165." .

obo:MOD_01859 a rdfs:Class ;
  rdfs:label "4-amino-3-isothiazolidinone-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-phenylalanine residue to form 4-amino-3-isothiazolidinone-L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_01861 , obo:MOD_02044 , obo:MOD_02053 .

obo:MOD_01102 a rdfs:Class ;
  rdfs:label "myristoylation-4H (two double bonds)" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00504. Remap to MOD:00504." .

obo:MOD_01830 a rdfs:Class ;
  rdfs:label "S-carboxymethyl-L-cysteine sulfone" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-carboxymethyl-L-cysteine sulfone." ;
  rdfs:subClassOf obo:MOD_00708 , obo:MOD_01855 .

<http://purl.obolibrary.org/obo/mod#derives_from> a rdf:Property ;
  rdfs:label "derives from" ;
  rdfs:comment "'Entity A' derives_from 'Entity B' implies that 'Entity A' is chemically derived from 'Entity B'." ;
  rdfs:range <https://w3id.org/linkml/Any> .

obo:MOD_00969 a rdfs:Class ;
  rdfs:label "CAM-Cys vs PAM-Cys" ;
  rdfs:comment "OBSOLETE because this isn't a protein modification, but rather the difference between two known modifications. modification from DeltaMass" .

obo:MOD_01703 a rdfs:Class ;
  rdfs:label "dehydrobutyrine" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to dehydrobutyrine." ;
  rdfs:subClassOf obo:MOD_00859 .

obo:MOD_01228 a rdfs:Class ;
  rdfs:label "monoiodinated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of an L-tyrosine residue with one iodine atom." ;
  rdfs:subClassOf obo:MOD_00500 , obo:MOD_00998 .

obo:MOD_00279 a rdfs:Class ;
  rdfs:label "N-pyruvic acid 2-iminyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-pyruvic acid 2-iminyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01170 .

obo:MOD_00398 a rdfs:Class ;
  rdfs:label "carbamoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a carbamoyl (carboxamido) group. Replacement of an amino hydrogen produces a ureido group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00108 a rdfs:Class ;
  rdfs:label "L-tyrosine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to L-tyrosine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00919 .

obo:MOD_01399 a rdfs:Class ;
  rdfs:label "N6-(ADP-ribosyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to an N6-(ADP-ribosyl)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00752 , obo:MOD_00912 .

obo:MOD_00221 a rdfs:Class ;
  rdfs:label "N-(L-isoaspartyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks L-aspartic acid and L-cysteine residues via an isopeptide bond to form N-(L-isoaspartyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_00946 , obo:MOD_02042 , obo:MOD_02044 .

obo:MOD_01464 a rdfs:Class ;
  rdfs:label "protonated L-methionine (L-methioninium) residue" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to an L-methioninium (protonated L-methionine)." ;
  rdfs:subClassOf obo:MOD_00913 , obo:MOD_01700 .

obo:MOD_00545 a rdfs:Class ;
  rdfs:label "deuterated dimethyl labeling (D)" ;
  rdfs:comment "OBSOLETE because redundant with MOD:00927. Remap to MOD:00927." .

obo:MOD_01956 a rdfs:Class ;
  rdfs:label "(3R)-3-hydroxy-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to (3R)-3-hydroxy-L-arginine." ;
  rdfs:subClassOf obo:MOD_00682 .

obo:MOD_01746 a rdfs:Class ;
  rdfs:label "TMT6plex-129 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Proteome Sciences TMT6plex-129 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01717 , obo:MOD_01744 , obo:MOD_01875 .

obo:MOD_01424 a rdfs:Class ;
  rdfs:label "quinaldate modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a quinaldate, kynurenate, or xanthurenate group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00437 a rdfs:Class ;
  rdfs:label "farnesylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a farnesyl group." ;
  rdfs:subClassOf obo:MOD_00703 .

obo:MOD_00556 a rdfs:Class ;
  rdfs:label "acrolein addition +94" ;
  rdfs:comment "OBSOLETE because this modification not supported by any literature that I can find[PMT]" .

obo:MOD_01909 a rdfs:Class ;
  rdfs:label "6x(13)C labeled 4-sulfophenyl isothiocyanate alpha-amino derivatized residue" ;
  rdfs:comment "A protein modification that effectively converts a residue to the 6x(13)C labeled 4-sulfophenyl isothiocyanate adduct, alpha-amino-[(4-sulfophenyl)carbamothioyl] residue." ;
  rdfs:subClassOf obo:MOD_00880 .

obo:MOD_00418 a rdfs:Class ;
  rdfs:label "pyridylacetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an (pyridin-3-yl)acetyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_00848 .

obo:MOD_00232 a rdfs:Class ;
  rdfs:label "N6-(phospho-5'-adenosine)-L-lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-lysine residue and 5'-phosphoadenosine through a phosphoramide ester bond to form N6-(phospho-5'-adenosine)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01165 .

obo:MOD_01982 a rdfs:Class ;
  rdfs:label "N,N,N-trimethylglycine" ;
  rdfs:comment "modification from RESID" ;
  rdfs:subClassOf obo:MOD_00714 , obo:MOD_01698 .

obo:MOD_00457 a rdfs:Class ;
  rdfs:label "4x(12)C, 4x(1)H labeled alpha-amino succinylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a light succinyl group." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01696 .

obo:MOD_00376 a rdfs:Class ;
  rdfs:label "1'-(phospho-5'-adenosine)-L-histidine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-histidine residue and 5'-phosphoadenosine through a phosphoramide ester bond to form 1'-(phospho-5'-adenosine)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01165 .

obo:MOD_01524 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-116 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ4plex 116 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01521 .

obo:MOD_00952 a rdfs:Class ;
  rdfs:label "(2-aminosuccinimidyl)acetic acid (Asp)" ;
  rdfs:comment "A protein modification that crosslinks an aspartic acid and the following glycine residue with the formation of (2-aminosuccinimidyl)acetic acid and the loss of a water molecule." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01628 , obo:MOD_02043 .

obo:MOD_01666 a rdfs:Class ;
  rdfs:label "epicocconone derivatized residue" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with epicocconone." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_02068 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-glutamic acid residue" ;
  rdfs:comment "A protein modification that contains an L-glutamic acid residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_02021 a rdfs:Class ;
  rdfs:label "timnodonoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a timnodonoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_00210 a rdfs:Class ;
  rdfs:label "L-cysteine sulfenic acid" ;
  rdfs:comment "A protein modification that effectively monooxygenates an L-cysteine residue to L-cysteine sulfenic acid." ;
  rdfs:subClassOf obo:MOD_00708 , obo:MOD_01854 .

obo:MOD_00045 a rdfs:Class ;
  rdfs:label "3'-phospho-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to pros-phospho-L-histidine (N-pi-phospho-L-histidine, 3'-phospho-L-histidine)." ;
  rdfs:subClassOf obo:MOD_00890 .

obo:MOD_01425 a rdfs:Class ;
  rdfs:label "pyridinyl ring crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks three residues by formation of a pyridinyl ring, such as pyridine-2,5-dicarboxylic acid or 5-aminopiperideine-2,5-dicarboxylic acid." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01150 a rdfs:Class ;
  rdfs:label "neddylated lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks the N6-amino of a peptidyl lysine with the carboxyl-terminal glycine of a nedd8 protein." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_00761 a rdfs:Class ;
  rdfs:label "monohexosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with one hexose sugar group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00434 .

obo:MOD_00738 a rdfs:Class ;
  rdfs:label "iron containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes an iron atom or a cluster containing iron for hydrogen atoms, or that coordinates an iron ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_00914 a rdfs:Class ;
  rdfs:label "modified L-phenylalanine residue" ;
  rdfs:comment "A protein modification that modifies an L-phenylalanine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00612 a rdfs:Class ;
  rdfs:label "3-(carboxamidomethylthio)propanoylated residue" ;
  rdfs:comment "A protein modification that is produced by derivatization of a residue with 3,3-dithiobis[sulfosuccinimidyl propanoate], DTSSP, or with Pierce EZ-Link Sulfo-NHS-SS-Biotin reagent, sulfosuccinimidyl 3-[(2-[biotinamido]ethyl)disulfanyl]propanoate, followed by reduction with dithiothreitol and then reaction with iodoacetamide." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_00848 .

obo:MOD_01044 a rdfs:Class ;
  rdfs:label "N-methyl glutamyl" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00080. Remap to MOD:00080." .

obo:MOD_00303 a rdfs:Class ;
  rdfs:label "heptakis-L-histidino tetracopper mu4-sulfide hydroxide" ;
  rdfs:comment "A protein modification that effectively converts seven L-histidinine residues and a four-copper one-sulfur one-hydroxide cluster to heptakis-L-histidino tetracopper mu4-sulfide hydroxide." ;
  rdfs:subClassOf obo:MOD_00742 , obo:MOD_00860 , obo:MOD_02070 .

obo:MOD_01485 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-114 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ4plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01430 , obo:MOD_01518 .

obo:MOD_01612 a rdfs:Class ;
  rdfs:label "3'-iodo-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 3'-iodo-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01228 .

obo:MOD_00873 a rdfs:Class ;
  rdfs:label "L-isoglutamyl diglutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to isoglutamyl glutamyl-glutamic acid, forming an isopeptide bond with a diglutamic acid." ;
  rdfs:subClassOf obo:MOD_00207 .

obo:MOD_01277 a rdfs:Class ;
  rdfs:label "crotonylated L-cysteine" ;
  rdfs:comment "modification from Unimod Other -" ;
  rdfs:subClassOf obo:MOD_00576 , obo:MOD_00905 .

obo:MOD_00164 a rdfs:Class ;
  rdfs:label "O-(N-acetylamino)galactosyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to O-(N-acetylaminogalactosyl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00563 , obo:MOD_01676 .

obo:MOD_00987 a rdfs:Class ;
  rdfs:label "chlorinated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-tyrosine residue with a chlorine atom." ;
  rdfs:subClassOf obo:MOD_00753 , obo:MOD_00985 .

obo:MOD_00362 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-arginyl diiron disulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-arginine residue and a two-iron two-sulfur cluster to tris-L-cysteinyl L-arginyl diiron disulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02076 .

obo:MOD_01634 a rdfs:Class ;
  rdfs:label "L-aspartic acid removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-aspartic acid." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01651 .

obo:MOD_02081 a rdfs:Class ;
  rdfs:label "alpha-amino succinylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a succinyl group." ;
  rdfs:subClassOf obo:MOD_01029 , obo:MOD_01426 , obo:MOD_01696 .

obo:MOD_00652 a rdfs:Class ;
  rdfs:label "O-palmitoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl group with a palmitoyloxy group." ;
  rdfs:subClassOf obo:MOD_00440 , obo:MOD_00671 .

obo:MOD_00384 a rdfs:Class ;
  rdfs:label "2-imino-methionine 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-methionine residue and a glycine residue to form 2-imino-methionine 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_01882 , obo:MOD_02047 , obo:MOD_02052 .

obo:MOD_02063 a rdfs:Class ;
  rdfs:label "crosslinked D-phenylalanine residue" ;
  rdfs:comment "A protein modification that contains an D-phenylalanine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00201 .

obo:MOD_01884 a rdfs:Class ;
  rdfs:label "4-aminobutylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a 4-aminobutyl group, usually derived from spermidine." ;
  rdfs:subClassOf obo:MOD_00001 .

obo:MOD_01113 a rdfs:Class ;
  rdfs:label "2-(p-biphenyl)isopropyl-oxycarbonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_02037 a rdfs:Class ;
  rdfs:label "Hex7HexNAc2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, Hex(7) HexNAc(2)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00540 a rdfs:Class ;
  rdfs:label "9x(13)C labeled residue" ;
  rdfs:comment "A protein modification that effectively converts a residue containing common isotopes to a 9x(13)C labeled residue." ;
  rdfs:subClassOf obo:MOD_00842 .

obo:MOD_01239 a rdfs:Class ;
  rdfs:label "histidine 4-hydroxynonenal adduct" ;
  rdfs:comment "A protein modification produced by formation of an adduct of an L-histidine residue with 4-hydroxynonenal." ;
  rdfs:subClassOf obo:MOD_00446 .

obo:MOD_01180 a rdfs:Class ;
  rdfs:label "2-hydroxyglycine observational artifact" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to 2-hydroxyglycine." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00908 .

obo:MOD_00825 a rdfs:Class ;
  rdfs:label "S-(L-phenylalanyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-phenylalanine residue and an L-cysteine residue by a thioester bond to form S-(L-phenylalaninyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02053 .

obo:MOD_01471 a rdfs:Class ;
  rdfs:label "(Z)-dehydrobutyrine (Thr)" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to (Z)-dehydrobutyrine." ;
  rdfs:subClassOf obo:MOD_00190 .

obo:MOD_01436 a rdfs:Class ;
  rdfs:label "cyclo[(prolylserin)-O-yl] cysteinate (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to cyclo[(prolylserin)-O-yl] cysteinate." ;
  rdfs:subClassOf obo:MOD_01629 .

obo:MOD_00695 a rdfs:Class ;
  rdfs:label "sulfated residue" ;
  rdfs:comment "A protein modification that effectively substitutes a sulfonyl group for the hydrogen atom of a hydroxyl or sulfanyl group." ;
  rdfs:subClassOf obo:MOD_00860 .

obo:MOD_01024 a rdfs:Class ;
  rdfs:label "monohydroxylated proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to one of several monohydroxylated proline residues, including 3-hydroxy-L-proline and 4-hydroxy-L-proline." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00678 .

obo:MOD_00798 a rdfs:Class ;
  rdfs:label "half cystine" ;
  rdfs:comment "A protein modification that can be regarded as effectively either one half of a cystine cross-link, or a cysteine residue with one hydrogen atom or proton removed." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01685 a rdfs:Class ;
  rdfs:label "alpha-amino palmitoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino group with a alpha-palmitoylamino group." ;
  rdfs:subClassOf obo:MOD_00651 , obo:MOD_01696 .

obo:MOD_00519 a rdfs:Class ;
  rdfs:label "Hex1HexNAc2Pent1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00094 a rdfs:Class ;
  rdfs:label "L-cysteine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00905 .

obo:MOD_00099 a rdfs:Class ;
  rdfs:label "L-isoleucine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to L-isoleucine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00910 .

obo:MOD_01945 a rdfs:Class ;
  rdfs:label "2-(2-aminosuccinimidyl)-3-sulfanylpropanoic acid" ;
  rdfs:comment "A protein modification that forms (2-aminosuccinimidyl)-3-sulfanylpropanoic acid by crosslinking either an aspartic acid residue or an asparagine residue with the following cysteine residue." ;
  rdfs:subClassOf obo:MOD_01944 , obo:MOD_02044 .

obo:MOD_01406 a rdfs:Class ;
  rdfs:label "L-threonine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-threonine residue to form L-threonine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02056 , obo:MOD_02082 .

obo:MOD_00131 a rdfs:Class ;
  rdfs:label "L-2-aminoadipic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to L-2-aminoadipic acid." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_00680 a rdfs:Class ;
  rdfs:label "sulfur oxygenated residue" ;
  rdfs:comment "A protein modification that effectively adds oxygen atoms to a sulfur atom of a residue without removing hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_00676 .

obo:MOD_02004 a rdfs:Class ;
  rdfs:label "O3-acylated L-threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydroxy hydrogen atom of L-threonine with an acyl group." ;
  rdfs:subClassOf obo:MOD_00671 , obo:MOD_00917 .

obo:MOD_00203 a rdfs:Class ;
  rdfs:label "D-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to D-asparagine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00903 .

obo:MOD_01695 a rdfs:Class ;
  rdfs:label "alpha-amino 3-(carboxamidomethylthio)propanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with an 3-(carboxamidomethylthio)propanoyl group." ;
  rdfs:subClassOf obo:MOD_00612 , obo:MOD_01696 .

obo:MOD_00322 a rdfs:Class ;
  rdfs:label "1'-methyl-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to tele-methyl-L-histidine." ;
  rdfs:subClassOf obo:MOD_00724 , obo:MOD_02038 .

obo:MOD_01993 a rdfs:Class ;
  rdfs:label "beta-carbon thioether crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by formation of a thioether bond between a cysteine thiol and the beta-carbon of another amino acid residue." ;
  rdfs:subClassOf obo:MOD_00687 .

obo:MOD_01899 a rdfs:Class ;
  rdfs:label "L-arginine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-arginine residue and an L-cysteine residue to form arginine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02041 , obo:MOD_02082 .

obo:MOD_01522 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-114 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ4plex 114 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01521 .

obo:MOD_01419 a rdfs:Class ;
  rdfs:label "oxazole/oxazoline ring crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by condensation of a serine or threonine hydroxyl with the carbonyl of the preceding residue to form an oxazole or oxazoline ring, or by rearrangement and condensation of a cysteine with the carbonyl of the preceding residue to form a 1,3-oxazole-4-carbothionic acid." ;
  rdfs:subClassOf obo:MOD_00690 .

obo:MOD_00959 a rdfs:Class ;
  rdfs:label "3,3',5,5'-TerTyr (Crosslink)" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00692 .

obo:MOD_00060 a rdfs:Class ;
  rdfs:label "N-acetyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to N-acetyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00647 , obo:MOD_01458 .

obo:MOD_01431 a rdfs:Class ;
  rdfs:label "(2)H deuterium tagged reagent" ;
  rdfs:comment "A protein modification that forms an adduct with a (2)H labeled compound used as a reagent." ;
  rdfs:subClassOf obo:MOD_00839 , obo:MOD_01426 .

obo:MOD_00492 a rdfs:Class ;
  rdfs:label "ubiquitination signature dipeptidyl lysine" ;
  rdfs:comment "A protein modification that crosslinks the N6-amino of a peptidyl lysine with the carboxyl of glycylglycine, the two glycine residues left after tryptic digestion of ubiquitin." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_01779 a rdfs:Class ;
  rdfs:label "N6-(L-lysyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-(L-lysyl)-L-lysine by formation of an isopeptide bond between the carboxyl group of a free lysine and the N6-amino group of the peptidyl L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 .

obo:MOD_01266 a rdfs:Class ;
  rdfs:label "nucleophilic addition to cytopiloyne+H2O - site C" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_00668 a rdfs:Class ;
  rdfs:label "O-decanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl group with a decanoyloxy group." ;
  rdfs:subClassOf obo:MOD_00667 , obo:MOD_00671 .

obo:MOD_00875 a rdfs:Class ;
  rdfs:label "L-isoglutamyl tetraglutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to isoglutamyl glutamyl-glutamyl-glutamyl-glutamic acid, forming an isopeptide bond with a tetraglutamic acid." ;
  rdfs:subClassOf obo:MOD_00207 .

obo:MOD_00862 a rdfs:Class ;
  rdfs:label "D-alanine" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to D-alanine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00859 .

obo:MOD_02100 a rdfs:Class ;
  rdfs:label "N2-Formyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively transforms an L-histidine residue to N2-formyl asparagine" ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_02099 .

obo:MOD_02092 a rdfs:Class ;
  rdfs:label "S-methylbutanedioic acid-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to form S-methylbutanedioic acid-L-cysteine by alkylation with itaconate through a thioether bond." ;
  rdfs:subClassOf obo:MOD_00001 , obo:MOD_00905 .

obo:MOD_00679 a rdfs:Class ;
  rdfs:label "carbon oxygenated residue" ;
  rdfs:comment "A protein modification that effectively adds oxygen atoms to a carbon atom of a residue and removes hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_00676 .

obo:MOD_01740 a rdfs:Class ;
  rdfs:label "TMT6plex-128 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Proteome Sciences TMT6plex-128 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01717 , obo:MOD_01736 .

obo:MOD_00853 a rdfs:Class ;
  rdfs:label "2x(18)O labeled deamidated residue" ;
  rdfs:comment "A protein modification that effectively replaces a carboxamido group with a carboxyl group labeled with two (18)O." ;
  rdfs:subClassOf obo:MOD_00851 .

obo:MOD_00937 a rdfs:Class ;
  rdfs:label "Levuglandinyl - arginine lactam adduct" ;
  rdfs:comment "modification from Unimod Post-translational" ;
  rdfs:subClassOf obo:MOD_00846 , obo:MOD_00902 .

obo:MOD_00551 a rdfs:Class ;
  rdfs:label "EAPTA d5" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01431 .

obo:MOD_01329 a rdfs:Class ;
  rdfs:label "iodoacetic acid - site C" ;
  rdfs:comment "OBSOLETE because duplicate and redundant with MOD:01061. Remap to MOD:01061" .

obo:MOD_00817 a rdfs:Class ;
  rdfs:label "3'-geranyl-2',3'-dihydro-2',N2-cyclo-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 3'-geranyl-2',3'-dihydro-2',N2-cyclo-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_01115 .

obo:MOD_01590 a rdfs:Class ;
  rdfs:label "3'-farnesyl-2',3'-dihydro-2',N2-cyclo-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 3'-farnesyl-2',3'-dihydro-2',N2-cyclo-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00437 , obo:MOD_00601 , obo:MOD_01115 .

obo:MOD_01874 a rdfs:Class ;
  rdfs:label "N-carboxy-L-valine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N-carboxy-L-valine." ;
  rdfs:subClassOf obo:MOD_00920 , obo:MOD_01152 .

obo:MOD_01618 a rdfs:Class ;
  rdfs:label "L-alanyl-L-isoaspartyl cyclopeptide" ;
  rdfs:comment "A protein modification that effectively converts an L-alaine residue and an L-asparagine residue to L-alanyl-L-isoaspartyl cyclopeptide." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_00946 , obo:MOD_02040 , obo:MOD_02042 .

obo:MOD_02015 a rdfs:Class ;
  rdfs:label "linoloylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a linoloyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_00426 a rdfs:Class ;
  rdfs:label "S-glycosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydrogen atom on a sulfur with a carbohydrate-like group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_01971 a rdfs:Class ;
  rdfs:label "5-glutamyl N2-ornithine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to N2-ornithine." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_01002 a rdfs:Class ;
  rdfs:label "gamma-aminobutyryl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01453 a rdfs:Class ;
  rdfs:label "L-glutamic acid 5-methyl ester" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-glutamate 5-methyl ester." ;
  rdfs:subClassOf obo:MOD_00393 , obo:MOD_00599 , obo:MOD_00713 , obo:MOD_00859 .

obo:MOD_01200 a rdfs:Class ;
  rdfs:label "O-heptosyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-heptosyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00925 .

obo:MOD_00750 a rdfs:Class ;
  rdfs:label "deoxyribonucleic acid linked residue" ;
  rdfs:comment "A protein modification that effectively crosslinks an amino acid residue and the 3'- or 5'-end of DNA through a phosphodiester bond." ;
  rdfs:subClassOf obo:MOD_00701 .

obo:MOD_01807 a rdfs:Class ;
  rdfs:label "N-formyl-L-glutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to N-formyl-L-glutamic acid." ;
  rdfs:subClassOf obo:MOD_00409 , obo:MOD_00906 .

obo:MOD_02044 a rdfs:Class ;
  rdfs:label "crosslinked L-cysteine residue" ;
  rdfs:comment "A protein modification that contains an L-cysteine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01413 a rdfs:Class ;
  rdfs:label "trihydroxylated leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a trihydroxylated leucine." ;
  rdfs:subClassOf obo:MOD_01409 , obo:MOD_01410 .

obo:MOD_00745 a rdfs:Class ;
  rdfs:label "selenium containing residue" ;
  rdfs:comment "A protein modification that effectively substitutes a selenium atom or a cluster containing selenium for hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00970 a rdfs:Class ;
  rdfs:label "delta-hydroxy-allysine (Lys)" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00204 a rdfs:Class ;
  rdfs:label "D-leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to D-leucine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00911 .

obo:MOD_00895 a rdfs:Class ;
  rdfs:label "FAD modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a flavin adenine dinucleotide (FAD) group." ;
  rdfs:subClassOf obo:MOD_00697 , obo:MOD_00861 .

obo:MOD_01460 a rdfs:Class ;
  rdfs:label "alpha-amino methylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a methyl group." ;
  rdfs:subClassOf obo:MOD_00602 .

obo:MOD_01098 a rdfs:Class ;
  rdfs:label "naphthylalanine residue" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with a naphthylalanine." ;
  rdfs:subClassOf obo:MOD_00850 .

obo:MOD_01082 a rdfs:Class ;
  rdfs:label "4-glycosyloxy- (hexosyl, C6) (of proline)" ;
  rdfs:comment "OBSOLETE because redundant with MOD:00757, remap. modification from DeltaMass" .

obo:MOD_01561 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-117 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ8plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01556 , obo:MOD_01714 , obo:MOD_02003 .

obo:MOD_01959 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-glutamato tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-glutamic acid and a four-iron four-sulfur cluster to tris-L-cysteinyl L-glutamato tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02068 .

obo:MOD_00776 a rdfs:Class ;
  rdfs:label "L-aspartic acid (His)" ;
  rdfs:comment "An artifactual protein modification that converts an L-histidine residue to L-aspartic acid by oxidative degradation." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_02088 .

obo:MOD_00627 a rdfs:Class ;
  rdfs:label "2,5-dimethylpyrrole lysine from 2,5-hexanedione adduct" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00912 .

obo:MOD_01914 a rdfs:Class ;
  rdfs:label "O5-galactosyl-L-hydroxylysine" ;
  rdfs:comment "A protein modification that effectively converts a 5-hydroxy-L-lysine residue to O5-galactosyl-L-hydroxylysine." ;
  rdfs:subClassOf obo:MOD_00396 , obo:MOD_00476 .

obo:MOD_01111 a rdfs:Class ;
  rdfs:label "dimethoxybenzhydryl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a dimethoxybenzhydryl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00880 a rdfs:Class ;
  rdfs:label "6x(13)C labeled 4-sulfophenyl isothiocyanate derivatized residue" ;
  rdfs:comment "A protein modification produced by formation of an adduct with 6x(13)C labeled 4-sulfophenyl isothiocyanate." ;
  rdfs:subClassOf obo:MOD_01428 .

obo:MOD_02014 a rdfs:Class ;
  rdfs:label "N-linoloylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a linoloylamino group." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_02015 .

obo:MOD_01255 a rdfs:Class ;
  rdfs:label "S-(2-sulfanylethyl)cysteine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to S-(2-sulfanylethyl)cysteine." ;
  rdfs:subClassOf obo:MOD_00553 , obo:MOD_00916 .

obo:MOD_00496 a rdfs:Class ;
  rdfs:label "reductive amination-D" ;
  rdfs:comment "OBSOLETE because Unimod entry 125 is merged with entry 199, remap to id: MOD:00552" .

obo:MOD_00429 a rdfs:Class ;
  rdfs:label "dimethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces two hydrogen atoms with two methyl groups." ;
  rdfs:subClassOf obo:MOD_00427 .

obo:MOD_00071 a rdfs:Class ;
  rdfs:label "N,N,N-trimethyl-L-alanine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N,N,N-trimethyl-L-alanine." ;
  rdfs:subClassOf obo:MOD_01461 , obo:MOD_01698 .

obo:MOD_01903 a rdfs:Class ;
  rdfs:label "L-serine oxazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks two L-serine residues to form serine oxazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01421 , obo:MOD_02082 .

obo:MOD_00846 a rdfs:Class ;
  rdfs:label "levuglandinyl (prostaglandin H2) adduct" ;
  rdfs:comment "stub" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01217 a rdfs:Class ;
  rdfs:label "Sulfanilic Acid (SA), light C12 - site D" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00605 .

obo:MOD_01233 a rdfs:Class ;
  rdfs:label "3x(2)H labeled N6-acetyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 3x(2)H labeled N6-acetyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00449 .

obo:MOD_01629 a rdfs:Class ;
  rdfs:label "cyclo[(prolylserin)-O-yl] cysteinate" ;
  rdfs:comment "A protein modification that forms cyclo[(prolylserin)-O-yl] cysteinate by the natural process of cross-linking an L-cysteine residue an L-proline residue, and an L-serine residue, or by effectively modifying a cysteine residue." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_02044 .

obo:MOD_01822 a rdfs:Class ;
  rdfs:label "cysTMT6plex-zero reporter+balance reagent cysteine disulfide" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfhydryl hydrogen with a Thermo Scientific cysTMT6plex-zero reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01821 .

obo:MOD_00001 a rdfs:Class ;
  rdfs:label "alkylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an alkyl group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01072 a rdfs:Class ;
  rdfs:label "monopotassium salt" ;
  rdfs:comment "A protein modification that effectively substitutes one potassium atom for one hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00849 .

obo:MOD_01129 a rdfs:Class ;
  rdfs:label "5'phos dAdenosyl" ;
  rdfs:comment "OBSOLETE because this is a modification that occurs to DNA/RNA and not proteins. modification from DeltaMass" .

obo:MOD_00689 a rdfs:Class ;
  rdfs:label "disulfide crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two cysteine residues by formation of a disulfide bond." ;
  rdfs:subClassOf obo:MOD_01619 .

obo:MOD_00638 a rdfs:Class ;
  rdfs:label "2x(13)C,6x(2)H labeled dimethylated L-arginine" ;
  rdfs:comment "A protein modification that effectively replaces two hydrogen atoms of an L-arginine residue with two (13)C,3x(2)H labeled methyl groups to form a 2x(13)C,6x(2)H labeled dimethylated L-arginine." ;
  rdfs:subClassOf obo:MOD_00839 , obo:MOD_00842 , obo:MOD_00902 .

obo:MOD_00134 a rdfs:Class ;
  rdfs:label "N6-glycyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-lysine residue and a glycine residue by an isopeptide bond to form N6-glycyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_00954 , obo:MOD_01875 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_01735 a rdfs:Class ;
  rdfs:label "TMT6plex-127 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Proteome Sciences TMT6plex-127 reagent acylated residue." ;
  rdfs:subClassOf obo:MOD_01716 .

obo:MOD_00119 a rdfs:Class ;
  rdfs:label "L-lanthionine (Cys-Ser)" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-serine residue by a thioether bond to form L-lanthionine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01839 , obo:MOD_02055 .

obo:MOD_00903 a rdfs:Class ;
  rdfs:label "modified L-asparagine residue" ;
  rdfs:comment "A protein modification that modifies an L-asparagine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01680 a rdfs:Class ;
  rdfs:label "alpha-amino monomethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces one residue alpha amino or imino hydrogen with one methyl group." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_01460 .

obo:MOD_01366 a rdfs:Class ;
  rdfs:label "fluorescein-5-thiosemicarbazide - site K" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00626 , obo:MOD_00912 .

obo:MOD_00236 a rdfs:Class ;
  rdfs:label "N4-(ADP-ribosyl)-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4-(ADP-ribosyl)-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00752 , obo:MOD_00903 .

obo:MOD_01420 a rdfs:Class ;
  rdfs:label "thiazole/thiazoline ring crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by condensation of a cysteine thiol with the carbonyl of the preceding residue to form a thiazole or thiazoline ring." ;
  rdfs:subClassOf obo:MOD_00687 , obo:MOD_00690 .

obo:MOD_01414 a rdfs:Class ;
  rdfs:label "hydroxylated isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to an hydroxylated isoleucine." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00910 .

obo:MOD_00756 a rdfs:Class ;
  rdfs:label "4-hydroxy-D-valine" ;
  rdfs:comment "A protein modification that effectively converts an L-valine residue to 4-hydroxy-D-valine." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00664 .

obo:MOD_01362 a rdfs:Class ;
  rdfs:label "O-thiophospho-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-thiophospho-L-serine." ;
  rdfs:subClassOf obo:MOD_00583 , obo:MOD_00916 .

obo:MOD_00899 a rdfs:Class ;
  rdfs:label "N-palmitoyl-S-diacylglycerol-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-palmitoyl-S-diacylglycerol-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00479 a rdfs:Class ;
  rdfs:label "glutamyl semialdehyde (Arg)" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to L-glutamyl semialdehyde." ;
  rdfs:subClassOf obo:MOD_00902 , obo:MOD_01440 .

obo:MOD_00699 a rdfs:Class ;
  rdfs:label "porphyrin modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a porphyrin group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00998 a rdfs:Class ;
  rdfs:label "iodinated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-tyrosine residue with an iodine atom." ;
  rdfs:subClassOf obo:MOD_00755 , obo:MOD_00985 .

obo:MOD_00787 a rdfs:Class ;
  rdfs:label "diisopropylphosphoserine" ;
  rdfs:comment "modification from Unimod - label for the active site serine of the serine esterase/protease family also shown to label tyrosine in serum albumin" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_01656 a rdfs:Class ;
  rdfs:label "Dabsyl chloride derivatized residue" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 4-(4-dimethylaminophenylazo)benzenesulfonyl chloride, Dabsyl chloride." ;
  rdfs:subClassOf obo:MOD_01652 .

obo:MOD_00387 a rdfs:Class ;
  rdfs:label "2-tetrahydropyridinyl-5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-lysine residue and a glycine residue to form 2-tetrahydropyridinyl-5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_01882 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_00921 a rdfs:Class ;
  rdfs:label "new uncategorized Unimod entries" ;
  rdfs:comment "New uncategorized Unimod. OBSOLETE because organizational use is no longer required." .

obo:MOD_01281 a rdfs:Class ;
  rdfs:label "EDT-iodo-PEO-biotin - site S" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00490 , obo:MOD_00916 .

obo:MOD_00709 a rdfs:Class ;
  rdfs:label "sulfur oxygenated L-methionine" ;
  rdfs:comment "A protein modification that effectively adds oxygen atoms to a sulfur atom of L-methionine residue without removing hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_00680 , obo:MOD_00913 .

obo:MOD_00395 a rdfs:Class ;
  rdfs:label "thioester crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by formation of a thioester bond between a cysteine thiol and either an alpha-carbonyl, as in S-(L-methionyl-L-cysteine), or a sidechain carbonyl, as in S-(L-isoglutamyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00033 , obo:MOD_02044 .

obo:MOD_01273 a rdfs:Class ;
  rdfs:label "O-[4-(2-aminoethyl)benzenesulfonyl] serine" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 4-(2-aminoethyl)benzenesulfonyl fluoride, AEBS, and an L-serine residue." ;
  rdfs:subClassOf obo:MOD_00596 , obo:MOD_00916 .

obo:MOD_00481 a rdfs:Class ;
  rdfs:label "Applied Biosystems cleavable ICAT(TM) heavy" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01428 .

obo:MOD_00145 a rdfs:Class ;
  rdfs:label "tetrakis-L-cysteinyl iron" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues iron atom to tetrakis-L-cysteinyl iron." ;
  rdfs:subClassOf obo:MOD_00738 , obo:MOD_02067 .

obo:MOD_00172 a rdfs:Class ;
  rdfs:label "N-alanyl-glycosylphosphatidylinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N-alanyl-glycosylphosphatidylinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00818 , obo:MOD_00901 .

obo:MOD_01818 a rdfs:Class ;
  rdfs:label "1'-(L-tryptophan-3'-yl)-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively cross-links two tryptophan residues to form 1'-(L-tryptophan-3'-yl)-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02057 .

obo:MOD_01623 a rdfs:Class ;
  rdfs:label "1-thioglycine (C-terminal)" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to a C-terminal 1-thioglycine." ;
  rdfs:subClassOf obo:MOD_01625 .

obo:MOD_00534 a rdfs:Class ;
  rdfs:label "Michael addition of BHT quinone methide to cysteine and lysine" ;
  rdfs:comment "modification from Unimod Post-translational" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00690 a rdfs:Class ;
  rdfs:label "oxazole/thiazole ring crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by formation of an oxazole or thiazole ring." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01154 a rdfs:Class ;
  rdfs:label "pyruvic acid" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid to pyruvic acid." ;
  rdfs:subClassOf obo:MOD_00859 .

obo:MOD_00616 a rdfs:Class ;
  rdfs:label "residues isobaric at a resolution below 0.1 Da" ;
  rdfs:comment "Natural or modified residues that are isobaric at a resolution below 0.1 Da." .

obo:MOD_01848 a rdfs:Class ;
  rdfs:label "S-(spermidinoglutathion-S-yl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(spermidinoglutathion-S-yl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01862 .

obo:MOD_00298 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-cysteine persulfido L-glutamato L-histidino L-serinyl nickel triiron disulfide trioxide" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues, an L-glutamic acid residue, an L-histidine residue, an L-serine residue and a one-nickel three-iron three-sulfur three-oxygen cluster to tris-L-cysteinyl L-cysteine persulfido L-glutamato L-histidino L-serinyl nickel triiron disulfide trioxide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_00741 , obo:MOD_02067 , obo:MOD_02068 , obo:MOD_02070 , obo:MOD_02072 .

obo:MOD_01548 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-115 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ8plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01542 , obo:MOD_01714 , obo:MOD_02004 .

obo:MOD_01206 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1NeuAc2 O-glycosylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3 hydrogen atom of a threonine residue with a carbohydrate-like group composed of Hex1HexNAc1NeuAc2 linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00005 , obo:MOD_00528 .

obo:MOD_01757 a rdfs:Class ;
  rdfs:label "TMT6plex-130 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Proteome Sciences TMT6plex-130 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01752 , obo:MOD_02003 .

obo:MOD_01013 a rdfs:Class ;
  rdfs:label "tetramethylguanidinium termination by-product on amine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00327 a rdfs:Class ;
  rdfs:label "3-hydroxy-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a 3-hydroxy-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01622 .

obo:MOD_00720 a rdfs:Class ;
  rdfs:label "L-methionine (R)-sulfoxide" ;
  rdfs:comment "A protein modification that effectively oxygenates an L-methionine residue to L-methionine sulfoxide R-diastereomer." ;
  rdfs:subClassOf obo:MOD_00719 .

obo:MOD_01699 a rdfs:Class ;
  rdfs:label "protonated residue" ;
  rdfs:comment "A protein modification that effectively adds a hydrogen cation, a proton, forming a cationic residue." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00156 a rdfs:Class ;
  rdfs:label "L-2',4',5'-topaquinone" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to an L-2',4',5'-topaquinone." ;
  rdfs:subClassOf obo:MOD_00679 , obo:MOD_00919 .

obo:MOD_01960 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-glutamin-O6-yl tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-glutamine residue and a four-iron four-sulfur cluster to tris-L-cysteinyl L-glutamin-O6-yl tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02069 .

obo:MOD_01647 a rdfs:Class ;
  rdfs:label "L-threonine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-threonine." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01651 .

obo:MOD_01050 a rdfs:Class ;
  rdfs:label "pyridyl alanyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01934 a rdfs:Class ;
  rdfs:label "isodesmosine" ;
  rdfs:comment "A protein modification that effectively cross-links four L-lysine residues to form isodesmosine." ;
  rdfs:subClassOf obo:MOD_01425 , obo:MOD_02051 .

obo:MOD_01469 a rdfs:Class ;
  rdfs:label "L-selenocysteinyl tungsten bis(molybdopterin guanine dinucleotide) (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-selenocysteinyl tungsten bis(molybdopterin guanine dinucleotide) (not known as a natural, post-translational modification process)." ;
  rdfs:subClassOf obo:MOD_00746 , obo:MOD_00748 , obo:MOD_02073 .

obo:MOD_01061 a rdfs:Class ;
  rdfs:label "S-carboxymethyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-carboxymethyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00399 , obo:MOD_00905 .

obo:MOD_00828 a rdfs:Class ;
  rdfs:label "S-(L-tryptophanyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-tryptophan residue and an L-cysteine residue by a thioester bond to form S-(L-tryptophanyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02057 .

obo:MOD_00734 a rdfs:Class ;
  rdfs:label "N-acetylaminogalactosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with an N-acetylgalactosamine group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00436 .

obo:MOD_01559 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-117 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ8plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01556 , obo:MOD_01714 .

obo:MOD_02033 a rdfs:Class ;
  rdfs:label "dHex1Hex5HexNAc3 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex Hex(5) HexNAc(3)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00608 a rdfs:Class ;
  rdfs:label "biotin polyethyleneoxide amine" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01352 a rdfs:Class ;
  rdfs:label "nitrated L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to a nitrated L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00461 , obo:MOD_00919 .

obo:MOD_01270 a rdfs:Class ;
  rdfs:label "nucleophilic addition to cytopiloyne+H2O - site S" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_01222 a rdfs:Class ;
  rdfs:label "O-formyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-formyl-L-serine." ;
  rdfs:subClassOf obo:MOD_01483 , obo:MOD_02003 .

obo:MOD_00102 a rdfs:Class ;
  rdfs:label "L-methionine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to L-methionine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00913 .

obo:MOD_01007 a rdfs:Class ;
  rdfs:label "anisyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes an anisyl (methoxyphenyl) group for a hydroxyl group, typically at the 4 or para position." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01240 a rdfs:Class ;
  rdfs:label "ubiquitination signature tetrapeptidyl lysine" ;
  rdfs:comment "A protein modification that crosslinks the N6-amino of a peptidyl lysine with the carboxyl of leucyl-arginyl-glycyl-glycine, the C-terminal tetrapeptide of ubiquitin." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_01829 a rdfs:Class ;
  rdfs:label "S-carboxymethyl-L-cysteine sulfoxide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-carboxymethyl-L-cysteine sulfoxide." ;
  rdfs:subClassOf obo:MOD_00399 , obo:MOD_00708 , obo:MOD_01854 .

obo:MOD_00836 a rdfs:Class ;
  rdfs:label "deuterium disubstituted residue" ;
  rdfs:comment "A protein modification that effectively substitutes two (2)H deuterium atoms for two (1)H protium atoms." ;
  rdfs:subClassOf obo:MOD_00786 .

obo:MOD_00048 a rdfs:Class ;
  rdfs:label "O4'-phospho-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to O4'-phospho-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01455 .

obo:MOD_00400 a rdfs:Class ;
  rdfs:label "deamidated residue" ;
  rdfs:comment "A protein modification that effectively replaces a carboxamido group with a carboxyl group, with both a gain of oxygen and loss of a nitrogen and a hydrogen." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01312 a rdfs:Class ;
  rdfs:label "quaternary amine labeling reagent heavy form (+6amu) N6-L-lysine" ;
  rdfs:comment "A protein modification that effectively replaces a lysine N6-hydrogen with a quaternary amine reagent heavy (+6amu) form group." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01426 .

obo:MOD_00767 a rdfs:Class ;
  rdfs:label "glycated residue" ;
  rdfs:comment "A modification produced in a non-enzymatic reaction between a carbohydrate carbonyl group (C1 of aldohexose or C2 of fructose) and a protein amino group to form a Schiff-base or an Amadori ketosamine residue adduct." ;
  rdfs:subClassOf obo:MOD_00764 .

obo:MOD_00280 a rdfs:Class ;
  rdfs:label "N-pyruvic acid 2-iminyl-L-valine" ;
  rdfs:comment "A protein modification that effectively converts an L-valine residue to N-pyruvic acid 2-iminyl-L-valine." ;
  rdfs:subClassOf obo:MOD_00920 , obo:MOD_01170 .

obo:MOD_00981 a rdfs:Class ;
  rdfs:label "sodium and potassium salt" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00747 , obo:MOD_00849 .

obo:MOD_00015 a rdfs:Class ;
  rdfs:label "L-glutamic acid residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-glutamic acid." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_01441 .

obo:MOD_01143 a rdfs:Class ;
  rdfs:label "15,16-dihydrobiliverdin-bis-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between two cysteine residues and the tetrapyrrole compound 15,16-dihydrobiliverdin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_02044 .

obo:MOD_01714 a rdfs:Class ;
  rdfs:label "iTRAQ8plex reporter+balance reagent O-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl with one of the Applied Biosystems iTRAQ8plex reagent reporter+balance acyloxy groups." ;
  rdfs:subClassOf obo:MOD_01707 .

obo:MOD_00719 a rdfs:Class ;
  rdfs:label "L-methionine sulfoxide" ;
  rdfs:comment "A protein modification that oxygenates an L-methionine residue to one of the diastereomeric L-methionine sulfoxide residues." ;
  rdfs:subClassOf obo:MOD_00709 , obo:MOD_01854 .

obo:MOD_00314 a rdfs:Class ;
  rdfs:label "glycine cholesterol ester" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to glycine cholesterol ester." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01155 .

obo:MOD_00183 a rdfs:Class ;
  rdfs:label "L-2'-bromophenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to L-2'-bromophenylalanine." ;
  rdfs:subClassOf obo:MOD_00972 .

obo:MOD_00649 a rdfs:Class ;
  rdfs:label "acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an acyl group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01489 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-114 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ4plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01485 , obo:MOD_01709 .

obo:MOD_01211 a rdfs:Class ;
  rdfs:label "N6-(morpholine-2-acetyl)-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-(morpholine-2-acetyl)-lysine." ;
  rdfs:subClassOf obo:MOD_01813 , obo:MOD_01875 .

obo:MOD_00268 a rdfs:Class ;
  rdfs:label "L-3',4',5'-trihydroxyphenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to L-3',4',5'-trihydroxyphenylalanine." ;
  rdfs:subClassOf obo:MOD_00428 , obo:MOD_00707 .

obo:MOD_01018 a rdfs:Class ;
  rdfs:label "4-methylbenzyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00688 a rdfs:Class ;
  rdfs:label "isopeptide crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues with an amide bond where either the donor amino or carboxyl is not an alpha group." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01841 a rdfs:Class ;
  rdfs:label "lanthionine" ;
  rdfs:comment "A protein modification that effectively cross-links either two or an L-cysteine residue and an L-serine residue by a thioether bond to form a lanthionine, either D- or L- or meso-lanthionine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01993 .

obo:MOD_00634 a rdfs:Class ;
  rdfs:label "dimethyl 3,3'-dithiobispropionimidate" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00642 a rdfs:Class ;
  rdfs:label "reduced 4-hydroxynonenal adduct" ;
  rdfs:comment "A protein modification produced by formation of an adduct of a residue with 4-hydroxynonenal artificially reduced by a reagent such as NaBH4." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_01155 .

obo:MOD_01159 a rdfs:Class ;
  rdfs:label "peptidoglycanated residue" ;
  rdfs:comment "A protein modification that effectively attaches a residue to murein peptidoglycan by either a pentaglycine linker peptide or a peptide-like L-alanyl-D-glutamyl-2,6-diaminopimelic acid linkage." ;
  rdfs:subClassOf obo:MOD_00764 .

obo:MOD_00674 a rdfs:Class ;
  rdfs:label "amidated residue" ;
  rdfs:comment "A protein modification that effectively replaces a carboxyl group with a carboxamido group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00507 a rdfs:Class ;
  rdfs:label "5-dimethylaminonaphthalene-1-sulfonyl" ;
  rdfs:comment "OBSOLETE because redundant, replaced by MOD:01653. Remap to MOD:01653." .

obo:MOD_01781 a rdfs:Class ;
  rdfs:label "N6-butanoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-butanoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_01997 .

obo:MOD_00456 a rdfs:Class ;
  rdfs:label "quaternary amine labeling reagent heavy form (+9amu) (N-term & K)" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a quaternary amine reagent heavy (+9amu) form group." ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00933 a rdfs:Class ;
  rdfs:label "methylglyoxal arginine adduct (+54 amu)" ;
  rdfs:comment "modification from Unimod Chemical derivative - 5-hydro-5-methylimidazol-4-one, arginine methylglyoxal arginine adduct (+54 amu)" ;
  rdfs:subClassOf obo:MOD_00630 , obo:MOD_00902 .

obo:MOD_01797 a rdfs:Class ;
  rdfs:label "1'-phosphohistidine immonium ion" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal 1'-phosphohistidine residue to 1'-phosphohistidine immonium ion." ;
  rdfs:subClassOf obo:MOD_01791 .

obo:MOD_01631 a rdfs:Class ;
  rdfs:label "L-alanine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-alanine." ;
  rdfs:subClassOf obo:MOD_00901 , obo:MOD_01651 .

obo:MOD_00026 a rdfs:Class ;
  rdfs:label "L-threonine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-threonine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_00857 a rdfs:Class ;
  rdfs:label "N,N,N-trimethyl-L-alanine (from L-alaninium)" ;
  rdfs:comment "A protein modification that effectively converts an L-alaninium (protonated L-alanine) residue to an N,N,N-trimethyl-L-alanine." ;
  rdfs:subClassOf obo:MOD_01687 .

obo:MOD_01922 a rdfs:Class ;
  rdfs:label "3-methoxydehydroalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to 3-methoxydehydroalanine." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_00594 a rdfs:Class ;
  rdfs:label "residues isobaric at 113.047678 Da" ;
  rdfs:comment "Natural or modified resiues with a mass of 113.047678 Da." .

obo:MOD_01869 a rdfs:Class ;
  rdfs:label "mTRAQ light reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems mTRAQ light reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01870 .

obo:MOD_00884 a rdfs:Class ;
  rdfs:label "S-aminoethylcysteine (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-2-aminoethylcysteine." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00319 a rdfs:Class ;
  rdfs:label "3-(S-L-cysteinyl)-L-aspartic acid" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-aspartic acid residue by a thioether bond to form 2-(S-L-cysteinyl)-L-aspartic acid." ;
  rdfs:subClassOf obo:MOD_01993 , obo:MOD_02043 .

obo:MOD_01739 a rdfs:Class ;
  rdfs:label "TMT6plex-128 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Proteome Sciences TMT6plex-128 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01719 , obo:MOD_01736 .

obo:MOD_00810 a rdfs:Class ;
  rdfs:label "O-mannosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-mannosylserine." ;
  rdfs:subClassOf obo:MOD_00002 , obo:MOD_00595 .

obo:MOD_01858 a rdfs:Class ;
  rdfs:label "S-(N-acetylamino)glucosyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(N-acetylamino)glucosyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00426 , obo:MOD_00448 , obo:MOD_00905 .

obo:MOD_01496 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-115 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ4plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01492 , obo:MOD_01709 .

obo:MOD_01292 a rdfs:Class ;
  rdfs:label "dimethylation of proline residue" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00075. Map to MOD:00075." .

obo:MOD_01006 a rdfs:Class ;
  rdfs:label "dibrominated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes two hydrogen atoms of an L-tyrosine residue with two bromine atoms." ;
  rdfs:subClassOf obo:MOD_00988 .

obo:MOD_00248 a rdfs:Class ;
  rdfs:label "L-phenylalanine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-phenylalanine residue to form L-phenylalanine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02053 , obo:MOD_02082 .

obo:MOD_01371 a rdfs:Class ;
  rdfs:label "deamidation in presence of O18" ;
  rdfs:comment "OBSOLETE bcecause identical and redundant with MOD:00851. Remap to MOD:00851." .

obo:MOD_00287 a rdfs:Class ;
  rdfs:label "(2S,3R,4S)-3,4-dihydroxyproline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to a (2S,3R,4S)-3,4-dihydroxyproline." ;
  rdfs:subClassOf obo:MOD_00866 .

obo:MOD_00569 a rdfs:Class ;
  rdfs:label "residues isobaric at a resolution below 0.000001 Da" ;
  rdfs:comment "Natural or modified residues that are isobaric at a resolution below 0.000001 Da." .

obo:MOD_01743 a rdfs:Class ;
  rdfs:label "TMT6plex-128 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Proteome Sciences TMT6plex-128 reagent acylated residue." ;
  rdfs:subClassOf obo:MOD_01716 .

obo:MOD_01086 a rdfs:Class ;
  rdfs:label "p-nitrobenzyloxycarbonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01165 a rdfs:Class ;
  rdfs:label "adenylated residue" ;
  rdfs:comment "A protein modification that effectively crosslinks an amino acid residue and 5'-phosphoadenosine through either a phosphodiester or a phosphoramide bond." ;
  rdfs:subClassOf obo:MOD_00701 .

obo:MOD_00533 a rdfs:Class ;
  rdfs:label "Shimadzu 12CNBS" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_02107 a rdfs:Class ;
  rdfs:label "5-hydroxy-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a 5-hydroxy-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01622 .

obo:MOD_00460 a rdfs:Class ;
  rdfs:label "L-cysteic acid (L-cysteine sulfonic acid)" ;
  rdfs:comment "A protein modification that effectively trioxygenates an L-cysteine residue to L-cysteine sulfonic acid." ;
  rdfs:subClassOf obo:MOD_00708 .

obo:MOD_01284 a rdfs:Class ;
  rdfs:label "acrolein addition +56 - site C" ;
  rdfs:comment "OBSOLETE because this modification is not supported by the linked literature [PMT]" .

obo:MOD_01786 a rdfs:Class ;
  rdfs:label "3'-nitro-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 3'-nitro-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01352 .

obo:MOD_00786 a rdfs:Class ;
  rdfs:label "deuterium substituted residue" ;
  rdfs:comment "A protein modification that effectively substitutes one or more (2)H deuterium atoms for (1)H protium atoms." ;
  rdfs:subClassOf obo:MOD_00839 .

obo:MOD_01077 a rdfs:Class ;
  rdfs:label "ethanedithiol/TFA cyclic adduct" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00851 a rdfs:Class ;
  rdfs:label "(18)O labeled deamidated residue" ;
  rdfs:comment "A protein modification that effectively replaces a carboxamido group with a carboxyl group labeled with (18)O." ;
  rdfs:subClassOf obo:MOD_00400 , obo:MOD_00844 .

obo:MOD_01450 a rdfs:Class ;
  rdfs:label "modified N-formyl-L-methionine residue" ;
  rdfs:comment "A protein modification that modifies an N-formyl-L-methionine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00706 a rdfs:Class ;
  rdfs:label "dehydrogenated tyrosine" ;
  rdfs:comment "A protein modification that effectively converts L-tyrosine to 2,3-didehydrotyrosine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01888 .

obo:MOD_00731 a rdfs:Class ;
  rdfs:label "ribosylated residue" ;
  rdfs:comment "a protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a ribose sugar group through a glycosidic bond" ;
  rdfs:subClassOf obo:MOD_00729 .

obo:MOD_00313 a rdfs:Class ;
  rdfs:label "S-palmitoleyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-palmitoleyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_02002 .

obo:MOD_00124 a rdfs:Class ;
  rdfs:label "N6-1-carboxyethyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-1-carboxyethyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_01095 a rdfs:Class ;
  rdfs:label "Matrix alpha cyano MH+" ;
  rdfs:comment "Modification from DeltaMass. OBSOLETE because not an amino acid modification." .

obo:MOD_01554 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-116 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ8plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01549 , obo:MOD_01714 , obo:MOD_02003 .

obo:MOD_00349 a rdfs:Class ;
  rdfs:label "4-amino-3-isothiazolidinone-L-serine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-serine residue to form 4-amino-3-isothiazolidinone-L-serine." ;
  rdfs:subClassOf obo:MOD_01861 , obo:MOD_02044 , obo:MOD_02055 .

obo:MOD_01066 a rdfs:Class ;
  rdfs:label "halogenated phenylalanine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-phenylalanine residue with a halogen atom." ;
  rdfs:subClassOf obo:MOD_00694 , obo:MOD_00914 .

obo:MOD_01826 a rdfs:Class ;
  rdfs:label "cysTMT6plex-129 reporter+balance reagent cysteine disulfide" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfhydryl hydrogen with a Thermo Scientific cysTMT6plex-129 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01821 .

obo:MOD_00529 a rdfs:Class ;
  rdfs:label "Hex3HexNAc2P1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01870 a rdfs:Class ;
  rdfs:label "mTRAQ reporter fragment" ;
  rdfs:comment "A protein modification reporter fragment produced by an Applied Biosystems mTRAQ reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01520 .

obo:MOD_00306 a rdfs:Class ;
  rdfs:label "residues isobaric at 113.084064 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 113.084064 Da." .

obo:MOD_00410 a rdfs:Class ;
  rdfs:label "S-(N-isopropylcarboxamidomethyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(N-isopropylcarboxamidomethyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00713 a rdfs:Class ;
  rdfs:label "methylated glutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to a methylated glutamic acid, such as L-glutamate 5-methyl ester." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00906 .

obo:MOD_00865 a rdfs:Class ;
  rdfs:label "N-aspartyl-glycosylsphingolipidinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to N-aspartyl-glycosylsphingolipidinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00466 , obo:MOD_00904 .

obo:MOD_00005 a rdfs:Class ;
  rdfs:label "O-glycosyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O3-glycosylthreonine." ;
  rdfs:subClassOf obo:MOD_00396 , obo:MOD_00917 .

obo:MOD_00526 a rdfs:Class ;
  rdfs:label "Hex2HexNAc2dHex1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01341 a rdfs:Class ;
  rdfs:label "ESP-Tag light d0 - site K" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00468 , obo:MOD_00912 .

obo:MOD_01243 a rdfs:Class ;
  rdfs:label "potassium carboxylate C-terminal residue" ;
  rdfs:comment "A protein modification that effectively converts a C-terminal residue to the potassium carboxylate salt." ;
  rdfs:subClassOf obo:MOD_01072 .

obo:MOD_01457 a rdfs:Class ;
  rdfs:label "L-cysteine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to L-cysteine (not known as a natural, post-translational modification process)." ;
  rdfs:subClassOf obo:MOD_00749 , obo:MOD_00916 , obo:MOD_02088 .

obo:MOD_01299 a rdfs:Class ;
  rdfs:label "reduced lysine 4-hydroxynonenal adduct" ;
  rdfs:comment "A protein modification produced by formation of an adduct of an L-histidine residue with 4-hydroxynonenal artificially reduced by a reagent such as NaBH4." ;
  rdfs:subClassOf obo:MOD_00642 , obo:MOD_00912 .

obo:MOD_00842 a rdfs:Class ;
  rdfs:label "(13)C labeled residue" ;
  rdfs:comment "A protein modification that effectively substitutes atoms of particular common isotopes with atoms of or groups containing (13)C." ;
  rdfs:subClassOf obo:MOD_00702 .

obo:MOD_01888 a rdfs:Class ;
  rdfs:label "didehydrogenated residue" ;
  rdfs:comment "A protein modification that effectively removes two neutral hydrogen atoms (proton and electron) from a residue." ;
  rdfs:subClassOf obo:MOD_00683 .

obo:MOD_02115 a rdfs:Class ;
  rdfs:label "Dioxindolylalanine" ;
  rdfs:comment "A protein modification that converts an L-tryptophan residue to dioxindolylalanine." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_01301 a rdfs:Class ;
  rdfs:label "methylamine Michael addition derivatized threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to 2-amino-3-(methylamino)butanoic acid." ;
  rdfs:subClassOf obo:MOD_00643 , obo:MOD_00917 .

obo:MOD_00008 a rdfs:Class ;
  rdfs:label "common" ;
  rdfs:comment "Entry from Unimod representing one or more entries in RESID. OBSOLETE because organizational use is no longer required." .

obo:MOD_02043 a rdfs:Class ;
  rdfs:label "crosslinked L-aspartic acid residue" ;
  rdfs:comment "A protein modification that contains an L-aspartic acid residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00904 .

obo:MOD_00779 a rdfs:Class ;
  rdfs:label "lysine oxidation to aminoadipic semialdehyde" ;
  rdfs:comment "OBSOLETE because redundant with MOD:00130. Remap to MOD:00130." .

obo:MOD_00338 a rdfs:Class ;
  rdfs:label "S-cyano-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-cyano-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01442 a rdfs:Class ;
  rdfs:label "3-(O4'-L-tyrosyl)-L-valine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-valine residue and an L-tyrosine residue by an ether bond to form 3-(O4'-L-tyrosyl)-L-valine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02058 , obo:MOD_02059 .

obo:MOD_01576 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-119 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ8plex-119 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01570 , obo:MOD_01714 , obo:MOD_02004 .

obo:MOD_01229 a rdfs:Class ;
  rdfs:label "L-iodohistidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to an L-iodohistidine." ;
  rdfs:subClassOf obo:MOD_00500 , obo:MOD_01049 .

obo:MOD_00925 a rdfs:Class ;
  rdfs:label "heptosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a heptose sugar group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_00033 a rdfs:Class ;
  rdfs:label "crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two or more amino acid residues with covalent bonds." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01378 a rdfs:Class ;
  rdfs:label "(2S,3R,4R)-4,5-dihydroxyisoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to a (2S,3R,4R)-4,5-dihydroxyisoleucine." ;
  rdfs:subClassOf obo:MOD_01416 .

obo:MOD_00078 a rdfs:Class ;
  rdfs:label "omega-N-methyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to N(omega)-methyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00414 , obo:MOD_00602 .

obo:MOD_00226 a rdfs:Class ;
  rdfs:label "1'-(8alpha-FAD)-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to 1'-(8alpha-FAD)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00895 , obo:MOD_00909 .

obo:MOD_00645 a rdfs:Class ;
  rdfs:label "mono S-acetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfanyl group with an acetylsulfanyl group." ;
  rdfs:subClassOf obo:MOD_00394 , obo:MOD_00672 .

obo:MOD_01844 a rdfs:Class ;
  rdfs:label "2-(3-methylbutanoyl)-5-hydroxyoxazole-4-carbothionic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue and an L-leucine residue to 2-(3-methylbutanoyl)-5-hydroxyoxazole-4-carbothionic acid." ;
  rdfs:subClassOf obo:MOD_01856 , obo:MOD_02044 , obo:MOD_02050 .

obo:MOD_01890 a rdfs:Class ;
  rdfs:label "N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet)" ;
  rdfs:comment "A protein modification that effectively crosslinks an N-formyl-L-methionine residue and an L-histidine residue to form N-[(L-histidin-1'-yl)methyl]-L-methionine." ;
  rdfs:subClassOf obo:MOD_02048 , obo:MOD_02062 .

obo:MOD_00620 a rdfs:Class ;
  rdfs:label "cysteine monobromobimane derivative" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_01725 a rdfs:Class ;
  rdfs:label "TMT6plex-126 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Proteome Sciences TMT6plex-126 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01720 , obo:MOD_02003 .

obo:MOD_00992 a rdfs:Class ;
  rdfs:label "glutamate 5-glycerol ester" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_01584 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass differences that are nominally equal at 304.199039 Da" ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins of 304.199039 Da." .

obo:MOD_02009 a rdfs:Class ;
  rdfs:label "N6-stearoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-stearoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02010 .

obo:MOD_01655 a rdfs:Class ;
  rdfs:label "alpha-amino-Dansyl derivatized residue" ;
  rdfs:comment "A protein modification that is produced by reaction with 5-dimethylaminonaphthalene-1-sulfonyl chloride, dansyl chloride, to form an alpha-amino-Dansyl-derivatized residue." ;
  rdfs:subClassOf obo:MOD_01653 .

obo:MOD_00257 a rdfs:Class ;
  rdfs:label "dipyrrolylmethanemethyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to dipyrrolylmethanemethyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01803 a rdfs:Class ;
  rdfs:label "O-methylated threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to a methylated threonine, such as O-methyl-L-threonine or L-threonine methyl ester." ;
  rdfs:subClassOf obo:MOD_00393 , obo:MOD_01418 .

obo:MOD_01819 a rdfs:Class ;
  rdfs:label "N6-succinyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-succinyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01029 , obo:MOD_01875 .

obo:MOD_00948 a rdfs:Class ;
  rdfs:label "5'-dephospho" ;
  rdfs:comment "OBSOLETE because this is a modification that occurs to DNA/RNA and not proteins. modification from DeltaMass" .

obo:MOD_01017 a rdfs:Class ;
  rdfs:label "homoseryl (-Hse-)" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00403. Remap to MOD:00403." .

obo:MOD_00538 a rdfs:Class ;
  rdfs:label "protein modification categorized by isobaric sets" ;
  rdfs:comment "Modified amino acid residues groups into isobaric sets at particular mass resolution cut-offs." .

obo:MOD_01148 a rdfs:Class ;
  rdfs:label "ubiquitinylated lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks the N6-amino of a peptidyl lysine with the carboxyl-terminal glycine of a ubiquitin." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_01652 a rdfs:Class ;
  rdfs:label "sulfonyl halide reagent derivatized residue" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with a sulfonyl halide compound used as a reagent." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_02058 a rdfs:Class ;
  rdfs:label "crosslinked L-tyrosine residue" ;
  rdfs:comment "A protein modification that contains an L-tyrosine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00919 .

obo:MOD_01938 a rdfs:Class ;
  rdfs:label "2-(2-aminosuccinimidyl)-3-sulfanylpropanoic acid (Asn)" ;
  rdfs:comment "A protein modification that crosslinks an asparagine and the following cysteine residue with the formation of (2-aminosuccinimidyl)-3-sulfanylpropanoic acid and the release of ammonia." ;
  rdfs:subClassOf obo:MOD_00946 , obo:MOD_01945 , obo:MOD_02042 .

obo:MOD_01384 a rdfs:Class ;
  rdfs:label "aminomalonic acid (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to an aminomalonic acid." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_01198 a rdfs:Class ;
  rdfs:label "O-heptosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-heptosyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00925 .

obo:MOD_01323 a rdfs:Class ;
  rdfs:label "propionaldehyde +40 - site H" ;
  rdfs:comment "OBSOLETE because not supported by the linked literature [PMT]. modification from Unimod Other -" .

obo:MOD_02116 a rdfs:Class ;
  rdfs:label "monohydroxylated phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to a monohydroxylated phenylalanine." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00914 .

obo:MOD_00832 a rdfs:Class ;
  rdfs:label "N4-(N-acetylamino)galactosyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4-(N-acetaminogalactosyl)-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00563 , obo:MOD_01674 .

obo:MOD_02060 a rdfs:Class ;
  rdfs:label "crosslinked D-asparagine residue" ;
  rdfs:comment "A protein modification that contains an D-asparagine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_02097 .

obo:MOD_00215 a rdfs:Class ;
  rdfs:label "heparan sulfate D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-serine residue to the polymer heparan sulfate by a D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl tetrasaccharide." ;
  rdfs:subClassOf obo:MOD_00002 .

obo:MOD_01356 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1NeuAc1 O-glycosylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3 hydrogen atom of a serine residue with a carbohydrate-like group composed of Hex1HexNAc1NeuAc1 linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00517 , obo:MOD_00916 .

obo:MOD_00432 a rdfs:Class ;
  rdfs:label "modified residue with neutral loss of phosphate" ;
  rdfs:comment "Covalent modification of, or a change resulting in an alteration of the measured molecular mass of, a peptide or protein amino acid residue with a secondary loss of a neutral trihydrogen phosphate molecular fragment." ;
  rdfs:subClassOf obo:MOD_00431 .

obo:MOD_00152 a rdfs:Class ;
  rdfs:label "S-(8alpha-FAD)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S'-(8alpha-FAD)-L-cystine." ;
  rdfs:subClassOf obo:MOD_00895 , obo:MOD_00905 .

obo:MOD_01187 a rdfs:Class ;
  rdfs:label "L-pyrrolysine residue" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with an L-pyrrolysine residue, a natural pretranslational modification." ;
  rdfs:subClassOf obo:MOD_00868 .

obo:MOD_00548 a rdfs:Class ;
  rdfs:label "APTA" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01479 a rdfs:Class ;
  rdfs:label "4'-fluoro-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue into an 4'-fluoro-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01226 .

obo:MOD_00197 a rdfs:Class ;
  rdfs:label "2-imino-glutamine 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-glutamine residue and a glycine residue to form 2-imino-glutamine 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_01882 , obo:MOD_02046 , obo:MOD_02047 .

obo:MOD_00059 a rdfs:Class ;
  rdfs:label "N-acetyl-L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to N-acetyl-L-proline." ;
  rdfs:subClassOf obo:MOD_00915 , obo:MOD_01458 .

obo:MOD_00631 a rdfs:Class ;
  rdfs:label "hydrolyzed N-ethylmaleimide adduct" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01307 a rdfs:Class ;
  rdfs:label "thiophosphate labeled with biotin-HPDP -site S" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00639 , obo:MOD_00916 .

obo:MOD_01758 a rdfs:Class ;
  rdfs:label "TMT6plex-130 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Proteome Sciences TMT6plex-130 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01752 , obo:MOD_02004 .

obo:MOD_00011 a rdfs:Class ;
  rdfs:label "L-arginine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-arginine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_02022 a rdfs:Class ;
  rdfs:label "N6-cervonoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-cervonoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02023 .

obo:MOD_01595 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-114 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex-114 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01593 .

obo:MOD_00670 a rdfs:Class ;
  rdfs:label "N-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with an acyl group." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_01627 a rdfs:Class ;
  rdfs:label "L-cysteinyl-L-selenocysteine" ;
  rdfs:comment "A protein modification that forms L-cysteinyl-L-selenocysteine either by the natural process of cross-linking an L-cysteine residue and an L-selenocysteine residue, or by the hypothetical process of substituting a selenium for a sulfur atom in cystine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_00859 , obo:MOD_02044 .

obo:MOD_01863 a rdfs:Class ;
  rdfs:label "mTRAQ reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with one of the Applied Biosystems mTRAQ reagent reporter+balance groups." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01705 .

obo:MOD_01543 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-115 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ8plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01542 , obo:MOD_01712 .

obo:MOD_00291 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-aspartato tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-aspartic acid residue and a four-iron four-sulfur cluster to tris-L-cysteinyl L-aspartato tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02066 , obo:MOD_02067 .

obo:MOD_01808 a rdfs:Class ;
  rdfs:label "N-methylated leucine" ;
  rdfs:comment "A protein modification that effectively replaces an L-leucine alpha amino hydrogen with a methyl group." ;
  rdfs:subClassOf obo:MOD_00662 , obo:MOD_01460 .

obo:MOD_00264 a rdfs:Class ;
  rdfs:label "phycoerythrobilin-bis-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between two cysteine residues and the tetrapyrrole compound phycoerythrobilin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_02044 .

obo:MOD_00605 a rdfs:Class ;
  rdfs:label "Sulfanilic Acid (SA), light C12" ;
  rdfs:comment "modification from Unimod Chemical derivative, C-Terminal/Glutamate/Aspartate sulfonation" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00723 a rdfs:Class ;
  rdfs:label "N-acetylated L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to either N2-acetyl-L-lysine, or N6-acetyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00408 , obo:MOD_00912 .

obo:MOD_01011 a rdfs:Class ;
  rdfs:label "N-hydroxysuccinimide (ONSu, OSu)" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01022 a rdfs:Class ;
  rdfs:label "2-piperidinecarboxylic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 2-piperidinecarboxylic acid." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00912 , obo:MOD_01160 .

obo:MOD_00056 a rdfs:Class ;
  rdfs:label "N-acetyl-L-isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to N-acetyl-L-isoleucine." ;
  rdfs:subClassOf obo:MOD_00910 , obo:MOD_01458 .

obo:MOD_01573 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-119 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ8plex-119 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01570 , obo:MOD_01714 .

obo:MOD_00067 a rdfs:Class ;
  rdfs:label "N-D-glucuronoylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-D-glucuronoylglycine." ;
  rdfs:subClassOf obo:MOD_00447 , obo:MOD_00908 .

obo:MOD_00225 a rdfs:Class ;
  rdfs:label "S-(6-FMN)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(6-FMN)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_02084 .

obo:MOD_00275 a rdfs:Class ;
  rdfs:label "3'-(1'-L-histidyl)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-histidine residue and an L-tyrosine residue by a carbon-nitrogen bond to form 3'-(1'-L-histidyl)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02048 , obo:MOD_02058 .

obo:MOD_01635 a rdfs:Class ;
  rdfs:label "L-cysteine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01651 .

obo:MOD_00414 a rdfs:Class ;
  rdfs:label "monomethylated L-arginine" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom of an L-arginine residue with one methyl group." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00658 .

obo:MOD_01110 a rdfs:Class ;
  rdfs:label "isoprenylated cysteine" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an L-cysteine residue with a group derived from an isoprene polymer, such as a geranyl (C10), farnesyl (C15) or geranylgeranyl (C20)." ;
  rdfs:subClassOf obo:MOD_00703 , obo:MOD_00905 .

obo:MOD_01360 a rdfs:Class ;
  rdfs:label "4-sulfophenyl isothiocyanate N6-derivatized lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to the 4-sulfophenyl isothiocyanate adduct, N6-[(4-sulfophenyl)carbamothioyl]lysine." ;
  rdfs:subClassOf obo:MOD_00584 , obo:MOD_00912 .

obo:MOD_00684 a rdfs:Class ;
  rdfs:label "deamidated L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to L-aspartic acid." ;
  rdfs:subClassOf obo:MOD_00400 , obo:MOD_00903 .

obo:MOD_01674 a rdfs:Class ;
  rdfs:label "N4-(N-acetylamino)hexosyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4-(N-acetaminohexosyl)-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_01673 .

obo:MOD_01754 a rdfs:Class ;
  rdfs:label "TMT6plex-130 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Proteome Sciences TMT6plex-130 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01717 , obo:MOD_01752 , obo:MOD_01875 .

obo:MOD_01318 a rdfs:Class ;
  rdfs:label "phosphorylation to amine thiol - site S" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00535 , obo:MOD_00916 .

obo:MOD_01523 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-115 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ4plex 115 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01521 .

obo:MOD_01109 a rdfs:Class ;
  rdfs:label "9-fluorenylmethyloxycarbonyl (Fmoc)" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01126 a rdfs:Class ;
  rdfs:label "5'phos Cytidinyl" ;
  rdfs:comment "OBSOLETE because this is a modification that occurs to DNA/RNA and not proteins. modification from DeltaMass" .

obo:MOD_01602 a rdfs:Class ;
  rdfs:label "S-(L-lysyl)-L-methionine sulfilimine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue, and an L-methionine residue to S-(L-lysyl)-L-methionine sulfilimine." ;
  rdfs:subClassOf obo:MOD_02051 , obo:MOD_02052 .

obo:MOD_01131 a rdfs:Class ;
  rdfs:label "5'phos dGuanosyl" ;
  rdfs:comment "OBSOLETE because this is a modification that occurs to DNA/RNA and not proteins. modification from DeltaMass" .

obo:MOD_00237 a rdfs:Class ;
  rdfs:label "L-beta-methylthioaspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-beta-methylthioaspartic acid." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01153 .

obo:MOD_00489 a rdfs:Class ;
  rdfs:label "oxidized arginine biotinylated with biotin-LC-hydrazide, reduced" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00902 .

obo:MOD_01688 a rdfs:Class ;
  rdfs:label "3-hydroxy-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to one of the diastereomeric 3-hydroxy-L-asparagine residues." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00903 .

obo:MOD_01926 a rdfs:Class ;
  rdfs:label "3-hydroxy-L-aspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to one of the diastereomeric 3-hydroxy-L-aspartic acid residues." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00904 .

obo:MOD_00840 a rdfs:Class ;
  rdfs:label "isocyanate reagent derivatized residue" ;
  rdfs:comment "A protein modification produced by formation of an adduct with an isocyanate compound." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00814 a rdfs:Class ;
  rdfs:label "O-xylosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-xylosylserine." ;
  rdfs:subClassOf obo:MOD_00002 .

obo:MOD_01091 a rdfs:Class ;
  rdfs:label "monochlorinated L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of an L-phenylalanine residue with one chlorine atom." ;
  rdfs:subClassOf obo:MOD_01066 , obo:MOD_01911 .

obo:MOD_01620 a rdfs:Class ;
  rdfs:label "polysulfide crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two cysteine residues by formation of a chain of three or more bonded sulfur atoms." ;
  rdfs:subClassOf obo:MOD_00860 , obo:MOD_01619 .

obo:MOD_00702 a rdfs:Class ;
  rdfs:label "isotope labeled residue" ;
  rdfs:comment "A protein modification that effectively substitutes atoms of particular common isotopes with atoms or groups containing isotopes that are not the most common." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00175 a rdfs:Class ;
  rdfs:label "N-seryl-glycosylsphingolipidinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to N-seryl-glycosylsphingolipidinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00466 , obo:MOD_00916 .

obo:MOD_01288 a rdfs:Class ;
  rdfs:label "acetaldehyde +28 - site H" ;
  rdfs:comment "OBSOLETE because this is not supported by the literature [PMT]" .

obo:MOD_01690 a rdfs:Class ;
  rdfs:label "N-[(12R)-12-hydroxymyristoyl]-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-[(12R)-12-hydroxymyristoyl]-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01696 .

obo:MOD_01663 a rdfs:Class ;
  rdfs:label "O-(ADP-ribosyl)-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-(ADP-ribosyl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00752 , obo:MOD_00917 .

obo:MOD_01736 a rdfs:Class ;
  rdfs:label "TMT6plex-128 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Proteome Sciences TMT6plex-128 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01715 .

obo:MOD_01161 a rdfs:Class ;
  rdfs:label "deoxygenated residue" ;
  rdfs:comment "A protein modification that effectively removes oxygen atoms from a residue without the removal of hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_01472 .

obo:MOD_00559 a rdfs:Class ;
  rdfs:label "acrolein addition +76" ;
  rdfs:comment "OBSOLETE because this modification not supported by any literature that I can find[PMT]" .

obo:MOD_01815 a rdfs:Class ;
  rdfs:label "L-glutamate thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-glutamic acid residue to form L-glutamate thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02045 , obo:MOD_02082 .

obo:MOD_01033 a rdfs:Class ;
  rdfs:label "p-methoxybenzyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a p-methoxybenzyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01047 a rdfs:Class ;
  rdfs:label "monohydroxylated lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to a monohydroxylated lysine." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00681 .

obo:MOD_01218 a rdfs:Class ;
  rdfs:label "Sulfanilic Acid (SA), light C12 - site E" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00605 .

obo:MOD_00302 a rdfs:Class ;
  rdfs:label "O-(phosphoglycosyl-D-mannose-1-phosphoryl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(phosphoglycosyl-D-mannose-1-phosphoryl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01804 .

obo:MOD_01176 a rdfs:Class ;
  rdfs:label "L-dehydrolysinonorleucine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-lysine residue and an L-lysine residue converted to allysine with a carbon-nitrogen bond to form L-dehydrolysinonorleucine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02051 .

obo:MOD_01395 a rdfs:Class ;
  rdfs:label "4-(1-hydroxyethyl)-7-isoleucino-2-(threonin-O3-ylcarbonyl)-7,8-dihydroquinolin-8-ol" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between an isoleucine residue, a threonine residue and the quinaldate compound 2-carboxy-4-(1-hydroxyethyl)--7,8-dihydroquinolin-8-ol." ;
  rdfs:subClassOf obo:MOD_01424 , obo:MOD_02049 , obo:MOD_02056 .

obo:MOD_00186 a rdfs:Class ;
  rdfs:label "3,3',5-triiodo-L-thyronine" ;
  rdfs:comment "A protein modification that effectively substitutes an L-tyrosine residue with 3,3',5-triiodo-L-thyronine." ;
  rdfs:subClassOf obo:MOD_00998 .

obo:MOD_01345 a rdfs:Class ;
  rdfs:label "2-amino-3-oxobutanoic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to 2-amino-3-oxobutanoic acid." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01888 .

obo:MOD_00190 a rdfs:Class ;
  rdfs:label "dehydrobutyrine (Thr)" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to dehydrobutyrine." ;
  rdfs:subClassOf obo:MOD_00416 , obo:MOD_00917 , obo:MOD_01703 .

obo:MOD_01751 a rdfs:Class ;
  rdfs:label "TMT6plex-129 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Proteome Sciences TMT6plex-129 reagent acylated residue." ;
  rdfs:subClassOf obo:MOD_01716 .

obo:MOD_00775 a rdfs:Class ;
  rdfs:label "L-asparagine (His)" ;
  rdfs:comment "An artifactual protein modification that converts an L-histidine residue to L-asparagine by oxidative degradation." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_02088 .

obo:MOD_00717 a rdfs:Class ;
  rdfs:label "methylated phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to a methylated phenylalanine, such as N-methyl-L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00914 .

obo:MOD_01468 a rdfs:Class ;
  rdfs:label "L-selenocysteinyl molybdenum bis(molybdopterin guanine dinucleotide) (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-selenocysteinyl molybdenum bis(molybdopterin guanine dinucleotide) (not known as a natural, post-translational modification process)." ;
  rdfs:subClassOf obo:MOD_00744 , obo:MOD_02073 .

obo:MOD_01598 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-117 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex-117 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01593 .

obo:MOD_00406 a rdfs:Class ;
  rdfs:label "Applied Biosystems original ICAT(TM) d0 modified cysteine" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct of a cysteine residue with the Applied Biosystems original isotope-coded affinity tag d0 reagent." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01820 .

obo:MOD_02032 a rdfs:Class ;
  rdfs:label "dHex2Hex4HexNAc5 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex(2) Hex(4) HexNAc(5)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_02047 a rdfs:Class ;
  rdfs:label "crosslinked glycine residue" ;
  rdfs:comment "A protein modification that contains a glycine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00908 .

obo:MOD_00908 a rdfs:Class ;
  rdfs:label "modified glycine residue" ;
  rdfs:comment "A protein modification that modifies a glycine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01039 a rdfs:Class ;
  rdfs:label "hydroxy aspartyl" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00036. Remap to MOD:00036." .

obo:MOD_01207 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1NeuAc2 N4-glycosylated asparagine" ;
  rdfs:comment "A protein modification that effectively replaces an N4 hydrogen atom of an asparagine residue with a carbohydrate-like group composed of Hex1HexNAc1NeuAc2 linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00528 .

obo:MOD_01334 a rdfs:Class ;
  rdfs:label "6x(13)C labeled L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 6x(13)C labeled L-lysine." ;
  rdfs:subClassOf obo:MOD_00544 .

obo:MOD_01447 a rdfs:Class ;
  rdfs:label "N-(dihydroxymethyl)-L-methionine (Met)" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to N-(dihydroxymethyl)-L-methionine (not known as a natural, post-translational modification process)." ;
  rdfs:subClassOf obo:MOD_00913 .

obo:MOD_00403 a rdfs:Class ;
  rdfs:label "homoserine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to homoserine." ;
  rdfs:subClassOf obo:MOD_00913 .

obo:MOD_00022 a rdfs:Class ;
  rdfs:label "L-methionine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-methionine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_00965 a rdfs:Class ;
  rdfs:label "4-thiazolidinecarboxylic acid" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal L-cysteine residue by a formadehyde adduct to 4-thiazolidinecarboxylic acid." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00141 a rdfs:Class ;
  rdfs:label "S-phycoerythrobilin-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a cysteine residue and the tetrapyrrole compound phycoerythrobilin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_00905 .

obo:MOD_01389 a rdfs:Class ;
  rdfs:label "L-isoleucine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-isoleucine residue to form L-isoleucine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02049 , obo:MOD_02082 .

obo:MOD_00793 a rdfs:Class ;
  rdfs:label "dehydroalanine (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to dehydroalanine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01168 .

obo:MOD_01373 a rdfs:Class ;
  rdfs:label "(2S,4R)-5-hydroxyleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a (2S,4R)-5-hydroxyleucine." ;
  rdfs:subClassOf obo:MOD_01411 .

obo:MOD_01265 a rdfs:Class ;
  rdfs:label "nucleophilic addtion to cytopiloyne - site P" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_01624 a rdfs:Class ;
  rdfs:label "(2-aminosuccinimidyl)acetic acid (Asn)" ;
  rdfs:comment "A protein modification that crosslinks an asparagine and the following glycine residue with the formation of (2-aminosuccinimidyl)acetic acid and the release of ammonia." ;
  rdfs:subClassOf obo:MOD_00946 , obo:MOD_01628 , obo:MOD_02042 .

obo:MOD_00955 a rdfs:Class ;
  rdfs:label "alaninohistidine (serine crosslinked to tele or pros nitrogen of histidine)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and an L-histidine residue to release water and form tele- or pros-(2-amino-2-carboxyethyl)histidine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_02048 , obo:MOD_02055 .

obo:MOD_00977 a rdfs:Class ;
  rdfs:label "disodium salt" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00747 .

obo:MOD_00113 a rdfs:Class ;
  rdfs:label "S-geranylgeranyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-geranylgeranyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00441 , obo:MOD_01110 .

obo:MOD_01702 a rdfs:Class ;
  rdfs:label "alpha-carboxyl deprotonated residue" ;
  rdfs:comment "A protein modification that effectively removes a proton from a residue 1-carboxyl group (referred to as the alpha-carboxyl), forming a carboxylate anion." ;
  rdfs:subClassOf obo:MOD_01701 .

obo:MOD_01919 a rdfs:Class ;
  rdfs:label "(2S,3S)-3-hydroxyaspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to (2S,3S)-3-hydroxyaspartic acid." ;
  rdfs:subClassOf obo:MOD_01926 .

obo:MOD_01616 a rdfs:Class ;
  rdfs:label "trithiocystine" ;
  rdfs:comment "A protein modification that effectively cross-links two L-cysteine residues and adds three sulfur atoms to form trithiocystine." ;
  rdfs:subClassOf obo:MOD_01620 .

obo:MOD_01490 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-114 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ4plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01485 , obo:MOD_01713 , obo:MOD_02003 .

obo:MOD_00887 a rdfs:Class ;
  rdfs:label "methylated aspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to a methylated aspartic acid, such as aspartic acid 4-methyl ester." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00904 .

obo:MOD_00214 a rdfs:Class ;
  rdfs:label "dermatan 4-sulfate D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-serine residue to the polymer dermatan 4-sulfate by a D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl tetrasaccharide." ;
  rdfs:subClassOf obo:MOD_00002 .

obo:MOD_01852 a rdfs:Class ;
  rdfs:label "L-lysinoalanine (Lys-Cys)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-lysine residue to release hydrogen sulfide and form 2-amino-6-(2-amino-2-carboxyethylamino)hexanoic acid." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_01853 , obo:MOD_02044 , obo:MOD_02051 .

obo:MOD_01400 a rdfs:Class ;
  rdfs:label "L-lysyl-poly(ADP-ribose)" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to an L-lysyl-poly(ADP-ribose)." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_02087 .

obo:MOD_00518 a rdfs:Class ;
  rdfs:label "HexNAc2dHex2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01137 a rdfs:Class ;
  rdfs:label "N6-(2,2,5,7,8-pentamethylchroman-6-sulfonyl)-L-lysine" ;
  rdfs:comment "A protein modification that is produced by reaction of a lysine residue with 2,2,5,7,8-pentamethylchroman-6-sulfonyl chloride, Pmc chloride, to form N6-(2,2,5,7,8-pentamethylchroman-6-sulfonyl)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00902 , obo:MOD_01120 .

obo:MOD_00372 a rdfs:Class ;
  rdfs:label "3'-(3'-L-tyrosinyl)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively cross-links two L-tyrosine residues with a carbon-carbon bond to form 3'-(3'-L-tyrosinyl)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02058 .

obo:MOD_00807 a rdfs:Class ;
  rdfs:label "pyruvic acid (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to pyruvic acid." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01154 , obo:MOD_01160 .

obo:MOD_01532 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-113 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ8plex-113 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01528 , obo:MOD_01710 .

obo:MOD_00471 a rdfs:Class ;
  rdfs:label "EDT-maleimide-PEO-biotin" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00868 a rdfs:Class ;
  rdfs:label "natural, non-standard encoded residue" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with a natural, non-standard encoded residue, such as N-formyl-L-methionine, L-selenocysteine, or L-pyrrolysine." ;
  rdfs:subClassOf obo:MOD_00009 .

obo:MOD_00168 a rdfs:Class ;
  rdfs:label "N-aspartyl-glycosylphosphatidylinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to N-(aspart-1-yl)-glycosylphosphatidylinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00818 , obo:MOD_00904 .

obo:MOD_01058 a rdfs:Class ;
  rdfs:label "dichlorobenzyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00919 a rdfs:Class ;
  rdfs:label "modified L-tyrosine residue" ;
  rdfs:comment "A protein modification that modifies an L-tyrosine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00366 a rdfs:Class ;
  rdfs:label "O-sulfo-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-sulfo-L-serine." ;
  rdfs:subClassOf obo:MOD_00695 , obo:MOD_00916 .

obo:MOD_00797 a rdfs:Class ;
  rdfs:label "2-(S-L-cysteinyl)pyruvic acid O-phosphothioketal" ;
  rdfs:comment "a protein modification that effectively converts an L-cysteine residue to the PEP adduct, 2-(S-L-cysteinyl)pyruvic acid O-phosphothioketal" ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_00905 .

obo:MOD_00782 a rdfs:Class ;
  rdfs:label "N-acetyl-L-leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to N-acetyl-L-leucine." ;
  rdfs:subClassOf obo:MOD_00911 , obo:MOD_01458 .

obo:MOD_00910 a rdfs:Class ;
  rdfs:label "modified L-isoleucine residue" ;
  rdfs:comment "A protein modification that modifies an L-isoleucine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01461 a rdfs:Class ;
  rdfs:label "N-methylated alanine" ;
  rdfs:comment "A protein modification that effectively replaces an L-alanine alpha amino hydrogen with a methyl group." ;
  rdfs:subClassOf obo:MOD_00665 , obo:MOD_01460 .

obo:MOD_00253 a rdfs:Class ;
  rdfs:label "L-selenocysteinyl molybdenum bis(molybdopterin guanine dinucleotide) (Sec)" ;
  rdfs:comment "A protein modification that effectively converts an L-selenocysteine residue to L-selenocysteinyl molybdenum bis(molybdopterin guanine dinucleotide)." ;
  rdfs:subClassOf obo:MOD_00744 , obo:MOD_01158 .

obo:MOD_00772 a rdfs:Class ;
  rdfs:label "vanadium containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a vanadium atom or a cluster containing vanadium for hydrogen atoms, or that coordinates a vanadium ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_00308 a rdfs:Class ;
  rdfs:label "L-glutamimide" ;
  rdfs:comment "A protein modification that effectively cyclizes an L-glutamine residue to form a carboxyl-terminal L-glutamimide." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00704 , obo:MOD_00907 .

obo:MOD_00317 a rdfs:Class ;
  rdfs:label "N6-3,4-didehydroretinylidene-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-3,4-didehydroretinylidene-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_01761 a rdfs:Class ;
  rdfs:label "TMT6plex-131 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Proteome Sciences TMT6plex-131 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01718 , obo:MOD_01760 .

obo:MOD_02054 a rdfs:Class ;
  rdfs:label "crosslinked L-proline residue" ;
  rdfs:comment "A protein modification that contains an L-proline residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00915 .

obo:MOD_00446 a rdfs:Class ;
  rdfs:label "4-hydroxynonenal adduct" ;
  rdfs:comment "A protein modification produced by formation of an adduct of a residue with 4-hydroxynonenal." ;
  rdfs:subClassOf obo:MOD_01155 .

obo:MOD_01506 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-117, mTRAQ heavy, reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ4plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01518 , obo:MOD_01863 .

obo:MOD_00876 a rdfs:Class ;
  rdfs:label "hexosaminylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a hexosamine sugar group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_01393 a rdfs:Class ;
  rdfs:label "L-cysteine pyridine-2,5-dicarboxylic acid" ;
  rdfs:comment "A protein modification that crosslinks two serine residues and a cysteine residue by formation of a pyridine-2,5-dicarboxylic acid." ;
  rdfs:subClassOf obo:MOD_01425 , obo:MOD_02044 , obo:MOD_02055 .

obo:MOD_00089 a rdfs:Class ;
  rdfs:label "O-palmitoyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-palmitoyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00652 , obo:MOD_02003 .

obo:MOD_00944 a rdfs:Class ;
  rdfs:label "d9-4-trimethylammoniumbutanoyl derivatized residue" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01431 .

obo:MOD_01775 a rdfs:Class ;
  rdfs:label "5-glutamyl serotonin" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to 5-glutamyl serotonin." ;
  rdfs:subClassOf obo:MOD_00907 .

obo:MOD_01446 a rdfs:Class ;
  rdfs:label "N-(dihydroxymethyl)-L-methionine (fMet)" ;
  rdfs:comment "A protein modification that effectively converts an N-formyl-Lmethionine residue to N-(dihydroxymethyl)-L-methionine." ;
  rdfs:subClassOf obo:MOD_01450 .

obo:MOD_00421 a rdfs:Class ;
  rdfs:label "C-glycosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydrogen atom on a carbon with a carbohydrate-like group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_00583 a rdfs:Class ;
  rdfs:label "thiophosphorylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a thiophosphono group (H2PO2S, 'thiophosphate')." ;
  rdfs:subClassOf obo:MOD_00860 , obo:MOD_00861 .

obo:MOD_00663 a rdfs:Class ;
  rdfs:label "methylated lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to a methylated lysine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00912 .

obo:MOD_00504 a rdfs:Class ;
  rdfs:label "N-(cis,cis-delta 5,delta 8)-tetradecadienoylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-(cis,cis-delta 5,delta 8)-tetradecadienoylglycine." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01696 .

obo:MOD_00821 a rdfs:Class ;
  rdfs:label "S-(L-alanyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-alanine residue and an L-cysteine residue by a thioester bond to form S-(L-alanyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02040 .

obo:MOD_00544 a rdfs:Class ;
  rdfs:label "6x(13)C labeled residue" ;
  rdfs:comment "A protein modification that effectively converts a residue containing common isotopes to a 6x(13)C labeled residue." ;
  rdfs:subClassOf obo:MOD_00842 .

obo:MOD_00515 a rdfs:Class ;
  rdfs:label "HexNAc2dHex1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex HexNAc(2)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00161 a rdfs:Class ;
  rdfs:label "S-glucosyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-glucosylated L-cysteine." ;
  rdfs:subClassOf obo:MOD_00426 , obo:MOD_00433 , obo:MOD_00905 .

obo:MOD_00090 a rdfs:Class ;
  rdfs:label "L-alanine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to L-alanine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00901 .

obo:MOD_01732 a rdfs:Class ;
  rdfs:label "TMT6plex-127 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Proteome Sciences TMT6plex-127 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01717 , obo:MOD_01728 .

obo:MOD_01028 a rdfs:Class ;
  rdfs:label "monochlorinated L-tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of an L-tyrosine residue with one chlorine atom." ;
  rdfs:subClassOf obo:MOD_00987 , obo:MOD_01911 .

obo:MOD_01517 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass differences that are nominally equal at 144.102062 Da" ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins of 144.102062 Da." .

obo:MOD_01847 a rdfs:Class ;
  rdfs:label "L-cysteine sulfinyl phosphate" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteine sulfinyl phosphate." ;
  rdfs:subClassOf obo:MOD_00708 , obo:MOD_00861 .

obo:MOD_01529 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-113 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ8plex-113 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01528 , obo:MOD_01712 .

obo:MOD_00879 a rdfs:Class ;
  rdfs:label "naphthalene-2,3-dicarboxaldehyde" ;
  rdfs:comment "modification from Unimod" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01319 a rdfs:Class ;
  rdfs:label "Michael addition of BHT quinone methide to histidine" ;
  rdfs:comment "modification from Unimod Other" ;
  rdfs:subClassOf obo:MOD_00534 , obo:MOD_00909 .

obo:MOD_00247 a rdfs:Class ;
  rdfs:label "L-serine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-serine residue to form L-serine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02055 , obo:MOD_02082 .

obo:MOD_00572 a rdfs:Class ;
  rdfs:label "oxidized arginine biotinylated with biotin hydrazide" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00902 .

obo:MOD_00470 a rdfs:Class ;
  rdfs:label "NHS-LC-Biotin" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01475 a rdfs:Class ;
  rdfs:label "O-[S-(carboxamidomethyl)phosphopantetheine]-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-[S-(carboxamidomethyl)phosphopantetheine]-L-serine." ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_01949 a rdfs:Class ;
  rdfs:label "coelenterazine" ;
  rdfs:comment "A protein modification that effectively cross-links a phenylalanine and two tyrosine residues to form coelenterazine." ;
  rdfs:subClassOf obo:MOD_00033 , obo:MOD_02053 , obo:MOD_02058 .

obo:MOD_00555 a rdfs:Class ;
  rdfs:label "APTA-d0 with quaternary amine loss" ;
  rdfs:comment "OBSOLETE because Unimod entry 202 was merged with entry 195, remap to MOD:00548. modification from Unimod Chemical derivative" .

obo:MOD_02026 a rdfs:Class ;
  rdfs:label "S-(cysteinyl-glycyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteinyl-L-glycine dipeptide and an L-cysteine residue by a disulfide bond to form S-(cysteinyl-glycyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01862 .

<http://purl.obolibrary.org/obo/mod#part_of> a rdf:Property ;
  rdfs:label "part of" ;
  rdfs:comment "'Entity A' part_of 'Entity B' implies that 'Entity A' is a part of the structure of 'Entity B'." ;
  rdfs:range <https://w3id.org/linkml/Any> .

obo:MOD_01908 a rdfs:Class ;
  rdfs:label "4-sulfophenyl isothiocyanate alpha-amino derivatized residue" ;
  rdfs:comment "A protein modification that effectively converts a residue to the 4-sulfophenyl isothiocyanate adduct, alpha-amino-[(4-sulfophenyl)carbamothioyl] residue." ;
  rdfs:subClassOf obo:MOD_00584 .

obo:MOD_01055 a rdfs:Class ;
  rdfs:label "3-nitro-2-pyridinesulfenyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01837 a rdfs:Class ;
  rdfs:label "L-lanthionine (Cys-Cys)" ;
  rdfs:comment "A protein modification that effectively cross-links two L-cysteine residues with a thioether bond to form L-lanthionine." ;
  rdfs:subClassOf obo:MOD_00687 .

obo:MOD_01435 a rdfs:Class ;
  rdfs:label "2-(cystein-S-ylcarbonyl)-3-methyl-4-(glutam-5-yloxy)methylindole" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a cysteine residue, a glutamic acid residue and the indole compound 2-carboxy-3-methyl-4-hydroxymethyl--indole." ;
  rdfs:subClassOf obo:MOD_00672 , obo:MOD_02044 , obo:MOD_02045 .

obo:MOD_01587 a rdfs:Class ;
  rdfs:label "O-(2-aminoethylphosphoryl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(2-aminoethylphosphoryl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_01120 a rdfs:Class ;
  rdfs:label "2,2,5,7,8-pentamethylchroman-6-sulfonyl chloride derivatized residue" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 2,2,5,7,8-pentamethylchroman-6-sulfonyl chloride, Pmc chloride." ;
  rdfs:subClassOf obo:MOD_01652 .

obo:MOD_01000 a rdfs:Class ;
  rdfs:label "monobrominated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of an L-tyrosine residue with one bromine atom." ;
  rdfs:subClassOf obo:MOD_00988 .

obo:MOD_01069 a rdfs:Class ;
  rdfs:label "2,4-dinitrophenyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a 2,4-dinitrophenyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01472 a rdfs:Class ;
  rdfs:label "reduced residue" ;
  rdfs:comment "A protein modification that effectively either adds neutral hydrogen atoms (proton and electron), or removes oxygen atoms from a residue with or without the addition of hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01689 a rdfs:Class ;
  rdfs:label "alpha-carboxyl methylated residue" ;
  rdfs:comment "A protein modification that effectively converts a carboxyl-terminal residue to an alpha-carboxyl (1-carboxyl) methyl ester." ;
  rdfs:subClassOf obo:MOD_00393 .

obo:MOD_01607 a rdfs:Class ;
  rdfs:label "5-glutamyl allysine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to 5-glutamyl allysine." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_01359 a rdfs:Class ;
  rdfs:label "Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, medium form - site K" ;
  rdfs:comment "modification from Unimod Isotopic label - Use when labelling post-digest" ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01426 .

obo:MOD_00601 a rdfs:Class ;
  rdfs:label "cyclized residue" ;
  rdfs:comment "A protein modification that effectively produces an heterocyclic amino acid with a covalent bond between the side chain and either its alpha amino or 1-carboxyl group, possibly breaking the peptide chain." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00727 a rdfs:Class ;
  rdfs:label "mannosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a mannose group through a glycosidic bond," ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_02011 a rdfs:Class ;
  rdfs:label "N-oleoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a oleoylamino group." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_02012 .

obo:MOD_00902 a rdfs:Class ;
  rdfs:label "modified L-arginine residue" ;
  rdfs:comment "A protein modification that modifies an L-arginine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00061 a rdfs:Class ;
  rdfs:label "N-acetyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to N-acetyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_01186 , obo:MOD_01458 .

obo:MOD_02056 a rdfs:Class ;
  rdfs:label "crosslinked L-threonine residue" ;
  rdfs:comment "A protein modification that contains an L-threonine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00917 .

obo:MOD_02085 a rdfs:Class ;
  rdfs:label "8alpha-FMN modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a riboflavin phosphate (flavin mononucleotide, FMN) group through the 8-alpha position of FMN." ;
  rdfs:subClassOf obo:MOD_00896 .

obo:MOD_00956 a rdfs:Class ;
  rdfs:label "misincorporation of norleucine for methionine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_01026 .

obo:MOD_01750 a rdfs:Class ;
  rdfs:label "TMT6plex-129 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Proteome Sciences TMT6plex-129 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01744 , obo:MOD_02004 .

obo:MOD_01967 a rdfs:Class ;
  rdfs:label "omega-N-(N-acetylamino)glucosyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to  omega-N-(N-acetylamino)glucosyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00448 , obo:MOD_01980 .

obo:MOD_01196 a rdfs:Class ;
  rdfs:label "5-dimethylaminonaphthalene-1-sulfonyl - site K" ;
  rdfs:comment "OBSOLETE because redundant, replaced with MOD:01654. Remap to MOD:01654." .

obo:MOD_00696 a rdfs:Class ;
  rdfs:label "phosphorylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a phosphono group (H2PO3 or 'phosphate')." ;
  rdfs:subClassOf obo:MOD_00861 .

obo:MOD_00963 a rdfs:Class ;
  rdfs:label "Oxidation of Trp to kynurenine" ;
  rdfs:comment "Modification from DeltaMass. OBSOLETE because redundant and identical to MOD:00462. Remap to MOD:00462." .

obo:MOD_01105 a rdfs:Class ;
  rdfs:label "2-bromobenzyloxycarbonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00233 a rdfs:Class ;
  rdfs:label "N6-(phospho-5'-guanosine)-L-lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-lysine residue and 5'-phosphoguanosine through a phosphoramide ester bond to form N6-(phospho-5'-guanosine)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01163 .

obo:MOD_00121 a rdfs:Class ;
  rdfs:label "(2S,3S,2'R)-3-methyllanthionine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-threonine residue by a thioether bond to form (2S,3S,2'R)-3-methyllanthionine." ;
  rdfs:subClassOf obo:MOD_01981 .

obo:MOD_00114 a rdfs:Class ;
  rdfs:label "L-cysteine methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteine methyl ester." ;
  rdfs:subClassOf obo:MOD_01682 , obo:MOD_01689 .

obo:MOD_01902 a rdfs:Class ;
  rdfs:label "L-isoleucine oxazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-isoleucine residue and an L-serine residue to form L-cysteine oxazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01421 , obo:MOD_02049 , obo:MOD_02082 .

obo:MOD_00130 a rdfs:Class ;
  rdfs:label "L-allysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to L-allysine." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_01227 a rdfs:Class ;
  rdfs:label "monofluorinated L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to an L-fluorophenylalanine." ;
  rdfs:subClassOf obo:MOD_00498 , obo:MOD_01066 .

obo:MOD_00974 a rdfs:Class ;
  rdfs:label "(35)Cl labeled 3'-chlorotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00987 .

obo:MOD_00516 a rdfs:Class ;
  rdfs:label "Hex1HexNAc2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00047 a rdfs:Class ;
  rdfs:label "O-phospho-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-phospho-L-threonine." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01455 .

obo:MOD_01418 a rdfs:Class ;
  rdfs:label "methylated threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to a methylated threonine, such as O-methyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00917 .

obo:MOD_01881 a rdfs:Class ;
  rdfs:label "3-(L-phenylalan-2'-yl)-L-valine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-phenylalanine residue and an L-valine residue by a free radical process effectively releasing a hydrogen molecule and forming 3-(L-phenylalan-2'-yl)-L-valine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02053 , obo:MOD_02059 .

obo:MOD_01898 a rdfs:Class ;
  rdfs:label "N2,N2-dimethyl-L-arginine" ;
  rdfs:comment "modification from RESID" ;
  rdfs:subClassOf obo:MOD_00783 .

obo:MOD_00635 a rdfs:Class ;
  rdfs:label "10-fluoroethoxyphosphinyl-N-(biotinamidopentyl)decanamide" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_02000 a rdfs:Class ;
  rdfs:label "N6-retinylidene-L-lysine (unspecified geometric isomer)" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-retinylidene-L-lysine (unspecified geometric isomer)." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_00491 a rdfs:Class ;
  rdfs:label "thio ether formation - BTP Adduct" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00861 , obo:MOD_00905 .

obo:MOD_00370 a rdfs:Class ;
  rdfs:label "(E)-2,3-didehydrotyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to (E)-2,3-didehydrotyrosine." ;
  rdfs:subClassOf obo:MOD_00706 .

obo:MOD_01026 a rdfs:Class ;
  rdfs:label "norleucine residue (Nle)" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with a norleucine." ;
  rdfs:subClassOf obo:MOD_00850 .

obo:MOD_00794 a rdfs:Class ;
  rdfs:label "pyrrolidone from proline" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00477. Remap to MOD:00477." .

obo:MOD_00341 a rdfs:Class ;
  rdfs:label "N-methyl-L-isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to N-methyl-L-isoleucine." ;
  rdfs:subClassOf obo:MOD_00715 , obo:MOD_01680 .

obo:MOD_00417 a rdfs:Class ;
  rdfs:label "S-carboxamidoethyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-carboxamidoethyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00883 a rdfs:Class ;
  rdfs:label "C1-amidated residue" ;
  rdfs:comment "A protein modification that effectively replaces a 1-carboxyl group (usually referred to as the alpha-carboxyl) with a carboxamido group." ;
  rdfs:subClassOf obo:MOD_00674 .

obo:MOD_01866 a rdfs:Class ;
  rdfs:label "mTRAQ light reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6-amino hydrogen atom of a lysine residue with the Applied Biosystems mTRAQ light reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01864 , obo:MOD_01875 .

obo:MOD_02020 a rdfs:Class ;
  rdfs:label "N-timnodonoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a timnodonoylamino group." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_02021 .

obo:MOD_00708 a rdfs:Class ;
  rdfs:label "sulfur oxygenated L-cysteine" ;
  rdfs:comment "A protein modification that effectively adds oxygen atoms to a sulfur atom of L-cysteine residue without removing hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_00680 , obo:MOD_00905 .

obo:MOD_01151 a rdfs:Class ;
  rdfs:label "phosphorylated residue with neutral loss of phosphate" ;
  rdfs:comment "Covalent modification of, or a change resulting in an alteration of the measured molecular mass of, a peptide or protein amino acid phosphorylated residue with a secondary loss of a neutral trihydrogen phosphate molecular fragment." ;
  rdfs:subClassOf obo:MOD_00432 .

obo:MOD_00739 a rdfs:Class ;
  rdfs:label "iron-sulfur cluster containing modification" ;
  rdfs:comment "A protein modification that effectively substitutes a cluster of iron and sulfur atoms for hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_00738 , obo:MOD_00860 .

obo:MOD_01577 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-121 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ8plex-121 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01526 .

obo:MOD_01443 a rdfs:Class ;
  rdfs:label "tetrakis-L-glutamato bis-L-N1'-histidino lipid carboxylato manganese iron oxide" ;
  rdfs:comment "A protein modification that effectively converts four L-glutamic acid residues and two L-histidine residues to tetrakis-L-glutamato bis-L-N1'-histidino lipid carboxylato manganese iron oxide." ;
  rdfs:subClassOf obo:MOD_00738 , obo:MOD_00740 , obo:MOD_02068 , obo:MOD_02070 .

obo:MOD_00359 a rdfs:Class ;
  rdfs:label "N2-acetyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to N2-acetyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00902 , obo:MOD_01458 .

obo:MOD_01789 a rdfs:Class ;
  rdfs:label "phenylalanine immonium ion" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal L-phenylalanine residue to phenylalanine immonium ion." ;
  rdfs:subClassOf obo:MOD_00914 , obo:MOD_01527 .

obo:MOD_01800 a rdfs:Class ;
  rdfs:label "N-methylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an L-serine alpha amino hydrogen with a methyl group." ;
  rdfs:subClassOf obo:MOD_01460 , obo:MOD_01799 .

obo:MOD_01968 a rdfs:Class ;
  rdfs:label "(2R,3R,2'R)-3-methyllanthionine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-threonine residue by a thioether bond to form (2R,3R,2'R)-3-methyllanthionine." ;
  rdfs:subClassOf obo:MOD_01981 .

obo:MOD_00746 a rdfs:Class ;
  rdfs:label "tungsten containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a tungsten atom or a cluster containing tungsten for hydrogen atoms, or that coordinates a tungsten ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_00208 a rdfs:Class ;
  rdfs:label "O4'-(phospho-5'-adenosine)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-tyrosine residue and 5'-phosphoadenosine through a phosphodiester bond to form O4'-(phospho-5'-adenosine)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01165 .

obo:MOD_01794 a rdfs:Class ;
  rdfs:label "1x(13)C,3x(2)H labeled monomethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces the methyl group of a residue containing common isotopes with a 1x(13)C,3x(2)H labeled monomethylated residue." ;
  rdfs:subClassOf obo:MOD_00839 , obo:MOD_00842 .

obo:MOD_01276 a rdfs:Class ;
  rdfs:label "O4'-[4-(2-aminoethyl)benzenesulfonyl]tyrosine" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 4-(2-aminoethyl)benzenesulfonyl fluoride, AEBS, and an L-tyrosine residue." ;
  rdfs:subClassOf obo:MOD_00596 , obo:MOD_00919 .

obo:MOD_00425 a rdfs:Class ;
  rdfs:label "monohydroxylated residue" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom with a hydroxyl group." ;
  rdfs:subClassOf obo:MOD_00677 .

obo:MOD_00330 a rdfs:Class ;
  rdfs:label "(phospho-5'-guanosine)-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to a (phospho-5'-guanosine)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01163 .

obo:MOD_01365 a rdfs:Class ;
  rdfs:label "fluorescein-5-thiosemicarbazide - site C" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00626 , obo:MOD_00905 .

obo:MOD_00783 a rdfs:Class ;
  rdfs:label "dimethylated L-arginine" ;
  rdfs:comment "A protein modification that effectively replaces two hydrogen atoms of an L-arginine residue with two methyl groups." ;
  rdfs:subClassOf obo:MOD_00429 , obo:MOD_00658 .

obo:MOD_00940 a rdfs:Class ;
  rdfs:label "3-methyl-2-pyridyl isocyanate derivatized residue" ;
  rdfs:comment "A protein modification produced by formation of an adduct with 3-methyl-2-pyridyl isocyanate." ;
  rdfs:subClassOf obo:MOD_00840 .

obo:MOD_00163 a rdfs:Class ;
  rdfs:label "O-(N-acetylamino)galactosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(N-acetylaminogalactosyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00563 , obo:MOD_01675 .

obo:MOD_01849 a rdfs:Class ;
  rdfs:label "S-(2-aminovinyl)-D-cysteine (Cys-Cys)" ;
  rdfs:comment "A protein modification that effectively cross-links two L-cysteine residues by a thioether bond to form S-(2-aminovinyl)-D-cysteine." ;
  rdfs:subClassOf obo:MOD_01850 .

obo:MOD_01140 a rdfs:Class ;
  rdfs:label "diiodinated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes two hydrogen atoms of an L-tyrosine residue with two iodine atoms." ;
  rdfs:subClassOf obo:MOD_00501 , obo:MOD_00998 .

obo:MOD_00703 a rdfs:Class ;
  rdfs:label "isoprenylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a group derived from an isoprene polymer, such as a geranyl (C10), farnesyl (C15) or geranylgeranyl (C20) group." ;
  rdfs:subClassOf obo:MOD_00001 , obo:MOD_01155 .

obo:MOD_01116 a rdfs:Class ;
  rdfs:label "S-farnesyl-L-cysteine methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-farnesyl-L-cysteine methyl ester." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01181 a rdfs:Class ;
  rdfs:label "L-aspartic acid 4-methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-aspartate 4-methyl ester." ;
  rdfs:subClassOf obo:MOD_00393 , obo:MOD_01681 .

obo:MOD_00465 a rdfs:Class ;
  rdfs:label "dihydroxyphenylalanine (Phe)" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to a dihydroxyphenylalanine." ;
  rdfs:subClassOf obo:MOD_00428 , obo:MOD_00914 .

obo:MOD_00898 a rdfs:Class ;
  rdfs:label "S-(sn-1-2-oleoyl-3-palmitoyl-glycerol)cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(sn-1-2-oleoyl-3-palmitoyl-glycerol)cysteine." ;
  rdfs:subClassOf obo:MOD_00116 .

obo:MOD_01470 a rdfs:Class ;
  rdfs:label "(E)-dehydrobutyrine (Thr)" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to (E)-dehydrobutyrine." ;
  rdfs:subClassOf obo:MOD_00190 .

obo:MOD_01507 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-117, mTRAQ heavy, reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ4plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01506 , obo:MOD_01711 .

obo:MOD_01975 a rdfs:Class ;
  rdfs:label "S-poly(3-hydroxybutyrate)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(poly-3-hydroxybutyrate)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00672 , obo:MOD_00905 .

obo:MOD_01268 a rdfs:Class ;
  rdfs:label "nucleophilic addition to cytopiloyne+H2O - site T" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_01409 a rdfs:Class ;
  rdfs:label "trihydroxylated residue" ;
  rdfs:comment "A protein modification that effectively replaces three hydrogen atoms with three hydroxyl groups." ;
  rdfs:subClassOf obo:MOD_00677 .

obo:MOD_01562 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-117 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ8plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01556 , obo:MOD_01714 , obo:MOD_02004 .

obo:MOD_01238 a rdfs:Class ;
  rdfs:label "lysine 4-hydroxynonenal adduct" ;
  rdfs:comment "A protein modification produced by formation of an adduct of an L-lysine residue with 4-hydroxynonenal." ;
  rdfs:subClassOf obo:MOD_00446 .

obo:MOD_01390 a rdfs:Class ;
  rdfs:label "L-valine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-valine residue to form L-valine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02059 , obo:MOD_02082 .

obo:MOD_00076 a rdfs:Class ;
  rdfs:label "symmetric dimethyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to symmetric dimethylarginine, N(omega),N'(omega)-dimethyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00602 , obo:MOD_00783 .

obo:MOD_00093 a rdfs:Class ;
  rdfs:label "L-aspartic acid 1-amide" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-aspartic acid 1-amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00904 .

obo:MOD_00178 a rdfs:Class ;
  rdfs:label "S-(ADP-ribosyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(ADP-ribosyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00752 , obo:MOD_00905 .

obo:MOD_00381 a rdfs:Class ;
  rdfs:label "L-selenocysteinyl tungsten bis(molybdopterin guanine dinucleotide) (Sec)" ;
  rdfs:comment "A protein modification that effectively converts an L-selenocysteine residue to L-selenocysteinyl tungsten bis(molybdopterin guanine dinucleotide)." ;
  rdfs:subClassOf obo:MOD_00746 , obo:MOD_00748 , obo:MOD_02073 .

obo:MOD_00240 a rdfs:Class ;
  rdfs:label "4-hydroxy-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 4-hydroxy-L-lysine." ;
  rdfs:subClassOf obo:MOD_01047 .

obo:MOD_00837 a rdfs:Class ;
  rdfs:label "deuterium tetrasubstituted residue" ;
  rdfs:comment "A protein modification that effectively substitutes four (2)H deuterium atoms for four (1)H protium atoms." ;
  rdfs:subClassOf obo:MOD_00786 .

obo:MOD_00014 a rdfs:Class ;
  rdfs:label "L-cysteine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-cysteine." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_01441 .

obo:MOD_01339 a rdfs:Class ;
  rdfs:label "ethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an ethyl group." ;
  rdfs:subClassOf obo:MOD_00001 .

obo:MOD_00562 a rdfs:Class ;
  rdfs:label "N-ethyl iodoacetamide-d5" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01431 .

obo:MOD_00844 a rdfs:Class ;
  rdfs:label "(18)O labeled residue" ;
  rdfs:comment "A protein modification that effectively substitutes atoms of particular common isotopes with atoms of or groups containing (18)O." ;
  rdfs:subClassOf obo:MOD_00702 .

obo:MOD_02049 a rdfs:Class ;
  rdfs:label "crosslinked L-isoleucine residue" ;
  rdfs:comment "A protein modification that contains an L-isoleucine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00910 .

obo:MOD_01324 a rdfs:Class ;
  rdfs:label "acetaldehyde +26 - site H" ;
  rdfs:comment "OBSOLETE because this is not supported by the linked literature [PMT]" .

obo:MOD_00978 a rdfs:Class ;
  rdfs:label "piperidine adduct to C-terminal Cys" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00195 a rdfs:Class ;
  rdfs:label "L-alanine 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-alanine residue and a glycine residue to form L-alanine 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01882 , obo:MOD_02040 , obo:MOD_02047 .

obo:MOD_00753 a rdfs:Class ;
  rdfs:label "chlorinated residue" ;
  rdfs:comment "A protein modification that effectively substitutes a chlorine atom for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00694 .

obo:MOD_01823 a rdfs:Class ;
  rdfs:label "cysTMT6plex-126 reporter+balance reagent cysteine disulfide" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfhydryl hydrogen with a Thermo Scientific cysTMT6plex-126 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01821 .

obo:MOD_01518 a rdfs:Class ;
  rdfs:label "iTRAQ4plex reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with one of the Applied Biosystems iTRAQ4plex reagent reporter+balance groups." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01705 .

obo:MOD_00107 a rdfs:Class ;
  rdfs:label "L-tryptophan amide" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to L-tryptophan amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00918 .

obo:MOD_00442 a rdfs:Class ;
  rdfs:label "protonated omega-N,omega-N'-dimethylated L-arginine with secondary neutral loss of N,N'-carbodiimide" ;
  rdfs:comment "Covalent modification of a peptide or protein L-arginine residue to protonated omega-N,omega-N'-dimethylated L-arginine with secondary loss of an N,N'-carbodiimide molecular fragment." ;
  rdfs:subClassOf obo:MOD_00431 , obo:MOD_00902 .

obo:MOD_01737 a rdfs:Class ;
  rdfs:label "TMT6plex-128 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Proteome Sciences TMT6plex-128 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01718 , obo:MOD_01736 .

obo:MOD_01476 a rdfs:Class ;
  rdfs:label "2'-fluoro-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to an 2'-fluoro-L-fluorophenylalanine." ;
  rdfs:subClassOf obo:MOD_01227 .

obo:MOD_01952 a rdfs:Class ;
  rdfs:label "O-(L-isoglutamyl)-L-threonine (Gln-Thr)" ;
  rdfs:comment "A protein modification that effectively cross-links an L-threonine residue and an L-glutamine residue with an ester bond releasing ammonia to form O-(L-isoglutamyl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00885 , obo:MOD_00946 , obo:MOD_01979 , obo:MOD_02046 , obo:MOD_02056 .

obo:MOD_01873 a rdfs:Class ;
  rdfs:label "N-carboxy-L-alanine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N-carboxy-L-alanine." ;
  rdfs:subClassOf obo:MOD_00901 , obo:MOD_01152 .

obo:MOD_01765 a rdfs:Class ;
  rdfs:label "TMT6plex-131 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Proteome Sciences TMT6plex-131 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01760 , obo:MOD_02003 .

obo:MOD_00002 a rdfs:Class ;
  rdfs:label "O-glycosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-glycosylserine." ;
  rdfs:subClassOf obo:MOD_00396 , obo:MOD_00916 .

obo:MOD_02038 a rdfs:Class ;
  rdfs:label "monomethylated L-histidine" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom of an L-histidine residue with one methyl group." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00661 .

obo:MOD_00323 a rdfs:Class ;
  rdfs:label "L-lysine methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to L-lysine methyl ester." ;
  rdfs:subClassOf obo:MOD_01683 , obo:MOD_01689 .

obo:MOD_00189 a rdfs:Class ;
  rdfs:label "dehydroalanine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to dehydroalanine." ;
  rdfs:subClassOf obo:MOD_00416 , obo:MOD_00916 , obo:MOD_01168 .

obo:MOD_01692 a rdfs:Class ;
  rdfs:label "glutamyl semialdehyde (Glu)" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-glutamyl semialdehyde." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01161 , obo:MOD_01440 .

obo:MOD_01512 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-117 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ4plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01506 , obo:MOD_01713 , obo:MOD_02004 .

obo:MOD_00718 a rdfs:Class ;
  rdfs:label "methylated tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to a methylated tyrosine, such as N-methyl-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00919 .

obo:MOD_01834 a rdfs:Class ;
  rdfs:label "5x(13)C-labeled L-methionine sulfoxide" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue containing common isotopes to 5x(13)C-labeled L-methionine sulfoxide." ;
  rdfs:subClassOf obo:MOD_01832 .

obo:MOD_00764 a rdfs:Class ;
  rdfs:label "glycoconjugated residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a carbohydrate-like group either through enzymatic formation of a glycosidic bond, or through non-enzymatic glycation formation of a Schiff-base or an Amadori ketosamine residue adduct." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00028 a rdfs:Class ;
  rdfs:label "L-tyrosine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_01978 a rdfs:Class ;
  rdfs:label "O-(L-isoaspartyl)-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-(L-isoaspartyl)-L-threonine, using either free L-asparagine and releasing ammonia or using a peptidyl L-aspartic acid residue and releasing water." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_02056 .

obo:MOD_01031 a rdfs:Class ;
  rdfs:label "dimethylbenzyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01465 a rdfs:Class ;
  rdfs:label "N,N,N-trimethyl-L-methionine (from L-methioninium)" ;
  rdfs:comment "A protein modification that effectively converts an L-methioninium (protonated L-methionine) residue to an N6,N6,N6-trimethyl-L-methionine." ;
  rdfs:subClassOf obo:MOD_01687 .

obo:MOD_00173 a rdfs:Class ;
  rdfs:label "N-threonyl-glycosylphosphatidylinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to N-threonyl-glycosylphosphatidylinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00818 , obo:MOD_00917 .

obo:MOD_01930 a rdfs:Class ;
  rdfs:label "D-aspartic acid (Asn)" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to D-aspartic acid." ;
  rdfs:subClassOf obo:MOD_00903 , obo:MOD_01942 .

obo:MOD_00500 a rdfs:Class ;
  rdfs:label "monoiodinated residue" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of a residue with one iodine atom." ;
  rdfs:subClassOf obo:MOD_00755 .

obo:MOD_00924 a rdfs:Class ;
  rdfs:label "N6-(L-threonyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-lysine residue and an L-threonine residue by an isopeptide bond to form N6-(L-threonyl)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_00954 , obo:MOD_01875 , obo:MOD_02051 , obo:MOD_02056 .

obo:MOD_00480 a rdfs:Class ;
  rdfs:label "Applied Biosystems cleavable ICAT(TM) light" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00805 a rdfs:Class ;
  rdfs:label "O-(N-acetylamino)glucosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-(N-acetylaminoglucosyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00448 , obo:MOD_01675 .

obo:MOD_00188 a rdfs:Class ;
  rdfs:label "6'-bromo-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 6'-bromo-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01068 , obo:MOD_01912 .

obo:MOD_02093 a rdfs:Class ;
  rdfs:label "N6-(2-hydroxyisobutanoyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-(2-hydroxyisobutanoyl)-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 .

obo:MOD_00044 a rdfs:Class ;
  rdfs:label "1'-phospho-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to tele-phospho-L-histidine (N-tau-phospho-L-histidine, 1'-phospho-L-histidine)." ;
  rdfs:subClassOf obo:MOD_00890 .

obo:MOD_00667 a rdfs:Class ;
  rdfs:label "decanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a decanoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_00617 a rdfs:Class ;
  rdfs:label "3x(2)H residue methyl ester" ;
  rdfs:comment "A protein modification that effectively converts a residue containing common isotopes to a 3x(2)H labeled residue methyl ester." ;
  rdfs:subClassOf obo:MOD_00839 .

obo:MOD_02050 a rdfs:Class ;
  rdfs:label "crosslinked L-leucine residue" ;
  rdfs:comment "A protein modification that contains an L-leucine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00911 .

obo:MOD_00363 a rdfs:Class ;
  rdfs:label "L-cysteinyl-L-selenocysteine (Cys-Sec)" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-selenocysteine residues to form L-cysteinyl-L-selenocystine." ;
  rdfs:subClassOf obo:MOD_01627 , obo:MOD_02061 .

obo:MOD_00939 a rdfs:Class ;
  rdfs:label "hydrolyzed N-methylmaleimide cysteine adduct" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00909 a rdfs:Class ;
  rdfs:label "modified L-histidine residue" ;
  rdfs:comment "A protein modification that modifies an L-histidine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01037 a rdfs:Class ;
  rdfs:label "dichlorinated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes two hydrogen atoms of an L-tyrosine residue with two chlorine atoms." ;
  rdfs:subClassOf obo:MOD_00987 .

obo:MOD_00530 a rdfs:Class ;
  rdfs:label "L-selenomethionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to L-selenomethionine." ;
  rdfs:subClassOf obo:MOD_00007 , obo:MOD_00913 .

obo:MOD_00482 a rdfs:Class ;
  rdfs:label "N-formyl-L-methionine (Met)" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to N-formyl-L-methionine (not known as a natural, post-translational modification process)." ;
  rdfs:subClassOf obo:MOD_00913 .

obo:MOD_01205 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1NeuAc2 O-glycosylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3 hydrogen atom of a serine residue with a carbohydrate-like group composed of Hex1HexNAc1NeuAc2 linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00528 , obo:MOD_00916 .

obo:MOD_00383 a rdfs:Class ;
  rdfs:label "2-imino-glutamic acid 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-glutamic acid residue and a glycine residue to form 2-imino-glutamic acid 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_01882 , obo:MOD_02045 , obo:MOD_02047 .

obo:MOD_00988 a rdfs:Class ;
  rdfs:label "brominated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-tyrosine residue with a bromine atom." ;
  rdfs:subClassOf obo:MOD_00754 , obo:MOD_00985 .

obo:MOD_01762 a rdfs:Class ;
  rdfs:label "TMT6plex-131 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Proteome Sciences TMT6plex-131 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01717 , obo:MOD_01760 , obo:MOD_01875 .

obo:MOD_00692 a rdfs:Class ;
  rdfs:label "uncategorized crosslinked residues" ;
  rdfs:comment "A protein crosslink modification that is not chemically categorized." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_00894 a rdfs:Class ;
  rdfs:label "residues isobaric at 128.058578 Da" ;
  rdfs:comment "Natural or modified resiues with a mass of 128.058578 Da." .

obo:MOD_01646 a rdfs:Class ;
  rdfs:label "L-serine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01651 .

obo:MOD_00501 a rdfs:Class ;
  rdfs:label "diiodinated residue" ;
  rdfs:comment "A protein modification that effectively substitutes two hydrogen atoms of a residue with two iodine atoms." ;
  rdfs:subClassOf obo:MOD_00755 .

obo:MOD_01913 a rdfs:Class ;
  rdfs:label "monochlorinated L-tryptophan" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of an L-tryptophan residue with one chlorine atom." ;
  rdfs:subClassOf obo:MOD_01068 , obo:MOD_01911 .

obo:MOD_01236 a rdfs:Class ;
  rdfs:label "(18)O monosubstituted L-tyrosine" ;
  rdfs:comment "modification from Unimod Isotopic label - alkaline phosphatase to dephosphorylate" ;
  rdfs:subClassOf obo:MOD_00581 , obo:MOD_00919 .

obo:MOD_00628 a rdfs:Class ;
  rdfs:label "Hex2" ;
  rdfs:comment "a protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with two hexose sugar groups through glycosidic bonds" ;
  rdfs:subClassOf obo:MOD_00725 .

obo:MOD_01383 a rdfs:Class ;
  rdfs:label "L-cystine S-oxide" ;
  rdfs:comment "A protein modification that effectively cross-links two L-cysteine residues and oxidizes a sulfur to form L-cystine S-oxide." ;
  rdfs:subClassOf obo:MOD_00689 , obo:MOD_02044 .

obo:MOD_00072 a rdfs:Class ;
  rdfs:label "N-methylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-methylglycine." ;
  rdfs:subClassOf obo:MOD_00714 , obo:MOD_01680 .

obo:MOD_00565 a rdfs:Class ;
  rdfs:label "deglycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00903 .

obo:MOD_00552 a rdfs:Class ;
  rdfs:label "4x(2)H labeled dimethylated residue" ;
  rdfs:comment "A protein modification that effectively converts a residue containing common isotopes to a 4x(2)H labeled dimethylated residue." ;
  rdfs:subClassOf obo:MOD_00839 .

obo:MOD_01142 a rdfs:Class ;
  rdfs:label "S-15,16-dihydrobiliverdin-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a cysteine residue and the tetrapyrrole compound 15,16-dihydrobiliverdin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_00905 .

obo:MOD_00984 a rdfs:Class ;
  rdfs:label "(35)Cl labeled 3',5'-dichlorotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00987 .

obo:MOD_02112 a rdfs:Class ;
  rdfs:label "4,5-Dihydroxytryptophan" ;
  rdfs:comment "A protein modification that converts an L-tryptophan residue to 4,5-Dihydroxytryptophan." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_01885 a rdfs:Class ;
  rdfs:label "biotinylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a biotinyl group." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_00826 a rdfs:Class ;
  rdfs:label "S-(L-threonyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-threonine residue and an L-cysteine residue by a thioester bond to form S-(L-threonyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02056 .

obo:MOD_00409 a rdfs:Class ;
  rdfs:label "N-formylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a formamido group." ;
  rdfs:subClassOf obo:MOD_00493 , obo:MOD_00670 .

obo:MOD_00742 a rdfs:Class ;
  rdfs:label "copper containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a copper atom or a cluster containing copper for hydrogen atoms, or that coordinates a copper ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_00735 a rdfs:Class ;
  rdfs:label "hexosuronylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a hexosuronic acid group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_02071 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-methionine residue" ;
  rdfs:comment "A protein modification that contains an L-methionine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00913 .

obo:MOD_00495 a rdfs:Class ;
  rdfs:label "N-iodoacetyl, p-chlorobenzyl-13C6-glucamine" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01426 .

obo:MOD_01700 a rdfs:Class ;
  rdfs:label "alpha-amino protonated residue" ;
  rdfs:comment "A protein modification that effectively adds a proton to a residue alpha-amnino or alpha-imino group forming an alpha-aminium or alpha-iminium group, respectively." ;
  rdfs:subClassOf obo:MOD_01699 .

obo:MOD_01192 a rdfs:Class ;
  rdfs:label "N-ethyl iodoacetamide-d0 - site Y" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00561 .

obo:MOD_00512 a rdfs:Class ;
  rdfs:label "Hex3 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, Hex3" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01271 a rdfs:Class ;
  rdfs:label "nucleophilic addition to cytopiloyne+H2O - site Y" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_00639 a rdfs:Class ;
  rdfs:label "thiophosphate labeled with biotin-HPDP" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00861 .

obo:MOD_01642 a rdfs:Class ;
  rdfs:label "L-lysine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01651 .

obo:MOD_00017 a rdfs:Class ;
  rdfs:label "glycine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to a glycine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_00125 a rdfs:Class ;
  rdfs:label "hypusine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to hypusine, N6-(4-amino-2-hydroxybutyl)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01884 .

obo:MOD_00522 a rdfs:Class ;
  rdfs:label "Hex3HexNAc1Pent1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_02082 a rdfs:Class ;
  rdfs:label "didehydrogenated and dehydrated residue" ;
  rdfs:comment "A protein modification that effectively removes two neutral hydrogen atoms (proton and electron) and a water moiety from a residue." ;
  rdfs:subClassOf obo:MOD_00683 .

obo:MOD_01369 a rdfs:Class ;
  rdfs:label "deamidated and methyl esterified residue" ;
  rdfs:comment "A protein modification that effectively replaces a carboxamido group with a carboxyl methyl ester group." ;
  rdfs:subClassOf obo:MOD_00393 .

obo:MOD_01855 a rdfs:Class ;
  rdfs:label "sulfur dioxygenated residue" ;
  rdfs:comment "A protein modification that effectively adds two oxygen atoms to a sulfur atom of a residue without removing hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_00680 .

obo:MOD_00511 a rdfs:Class ;
  rdfs:label "HexNAc2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, HexNAc(2)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01747 a rdfs:Class ;
  rdfs:label "TMT6plex-129 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Proteome Sciences TMT6plex-129 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01719 , obo:MOD_01744 .

obo:MOD_01619 a rdfs:Class ;
  rdfs:label "multisulfide crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two cysteine residues by formation of a chain of two or more bonded sulfur atoms." ;
  rdfs:subClassOf obo:MOD_00033 , obo:MOD_02044 .

obo:MOD_00527 a rdfs:Class ;
  rdfs:label "Hex3HexNAc2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01711 a rdfs:Class ;
  rdfs:label "iTRAQ4plex reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with one of the Applied Biosystems iTRAQ4plex reagent reporter+balance groups." ;
  rdfs:subClassOf obo:MOD_01708 , obo:MOD_01709 .

obo:MOD_00872 a rdfs:Class ;
  rdfs:label "L-isoglutamyl monoglutamic acid" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:01970. Remap to MOD:01970." .

obo:MOD_00678 a rdfs:Class ;
  rdfs:label "hydroxylated proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to an hydroxylated L-proline." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00915 .

obo:MOD_01759 a rdfs:Class ;
  rdfs:label "TMT6plex-130 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Proteome Sciences TMT6plex-130 reagent acylated residue." ;
  rdfs:subClassOf obo:MOD_01716 .

obo:MOD_02069 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-glutamine residue" ;
  rdfs:comment "A protein modification that contains an L-glutamine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00907 .

obo:MOD_00118 a rdfs:Class ;
  rdfs:label "2'-(S-L-cysteinyl)-L-histidine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-histidine residue by a thioether bond to form 2'-(S-L-cysteinyl)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00687 , obo:MOD_02048 .

obo:MOD_00999 a rdfs:Class ;
  rdfs:label "homoseryl lactone" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00404. Remap to MOD:00404." .

obo:MOD_00150 a rdfs:Class ;
  rdfs:label "L-cysteinyl-L-histidino-homocitryl molybdenum heptairon nonasulfide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue, an L-histidine residue, homocitric acid and a one-molybdenum seven-iron nine-sulfur cluster to L-cysteinyl-L-histidino-homocitryl molybdenum heptairon nonasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_00743 , obo:MOD_02067 , obo:MOD_02070 .

obo:MOD_00394 a rdfs:Class ;
  rdfs:label "monoacetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom with one acetyl group." ;
  rdfs:subClassOf obo:MOD_02078 .

obo:MOD_00854 a rdfs:Class ;
  rdfs:label "protonated L-lysine (L-lysinium) residue" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine to L-lysinium (protonated L-lysine)." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01699 .

obo:MOD_01282 a rdfs:Class ;
  rdfs:label "acrolein addition +56 - site H" ;
  rdfs:comment "OBSOLETE because this modification is not supported by the linked literature [PMT]" .

obo:MOD_01894 a rdfs:Class ;
  rdfs:label "propanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an propanoyl group." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_01566 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-118 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ8plex-118 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01563 , obo:MOD_01714 .

obo:MOD_00913 a rdfs:Class ;
  rdfs:label "modified L-methionine residue" ;
  rdfs:comment "A protein modification that modifies an L-methionine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01106 a rdfs:Class ;
  rdfs:label "N-formyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to N-formyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00409 , obo:MOD_00918 .

obo:MOD_01454 a rdfs:Class ;
  rdfs:label "N-(DNA-1',2'-dideoxyribos-1'-ylidene)-L-prolinium" ;
  rdfs:comment "A protein modification that effectively crosslinks an N-terminal L-proline residue and a strand of DNA at the C-1 of a ribose, freeing the nucleotide base and forming N-(DNA-1',2'-dideoxyribos-1'-ylidene)-L-prolinium." ;
  rdfs:subClassOf obo:MOD_00750 , obo:MOD_00915 .

obo:MOD_01923 a rdfs:Class ;
  rdfs:label "N6-(L-aspartyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-aspartic acid residue and an L-lysine residue by an isopeptide bond to form N6-(L-aspartyl)-L-lysine and the release of water." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_00954 , obo:MOD_01875 , obo:MOD_02043 .

obo:MOD_01372 a rdfs:Class ;
  rdfs:label "(2S)-4-hydroxyleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a (2S)-4-hydroxyleucine." ;
  rdfs:subClassOf obo:MOD_01411 .

obo:MOD_01964 a rdfs:Class ;
  rdfs:label "O-(2-acetamido-4-glyceramido-2,4,6-trideoxy-D-glucosyl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(2-acetamido-4-glyceramido-2,4,6-trideoxy-D-glucosyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00002 .

obo:MOD_01242 a rdfs:Class ;
  rdfs:label "3x(2)H labeled L-glutamic acid 5-methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 3x(2)H labeled L-glutamic acid 5-methyl ester." ;
  rdfs:subClassOf obo:MOD_00617 , obo:MOD_00906 .

obo:MOD_01169 a rdfs:Class ;
  rdfs:label "L-3-oxoalanine" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-oxoalanine." ;
  rdfs:subClassOf obo:MOD_00859 .

obo:MOD_00286 a rdfs:Class ;
  rdfs:label "L-cysteinyl molybdenum bis(molybdopterin guanine dinucleotide)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteinyl molybdenum bis(molybdopterin guanine dinucleotide)." ;
  rdfs:subClassOf obo:MOD_01167 , obo:MOD_02067 .

obo:MOD_00297 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-cysteine persulfido bis-L-glutamato L-histidino nickel triiron disulfide trioxide" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues, two L-glutamic acid residues, an L-histidine residue and a three-iron three-sulfur three-oxygen cluster to tris-L-cysteinyl L-cysteine persulfido bis-L-glutamato L-histidino nickel triiron disulfide trioxide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_00741 , obo:MOD_02067 , obo:MOD_02068 , obo:MOD_02070 .

obo:MOD_00815 a rdfs:Class ;
  rdfs:label "molybdopterin" ;
  rdfs:comment "OBSOLETE because redundant with MOD:00151. Remap to MOD:00151." .

obo:MOD_01499 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-116 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ4plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01518 .

obo:MOD_00128 a rdfs:Class ;
  rdfs:label "N6-pyridoxal phosphate-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-pyridoxal phosphate-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_00199 a rdfs:Class ;
  rdfs:label "D-allo-isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to a D-allo-isoleucine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00910 .

obo:MOD_01530 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-113 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ8plex-113 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01528 , obo:MOD_01710 , obo:MOD_01875 .

obo:MOD_00348 a rdfs:Class ;
  rdfs:label "N-carbamoyl-L-alanine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N-carbamoyl-L-alanine." ;
  rdfs:subClassOf obo:MOD_00901 , obo:MOD_01679 .

obo:MOD_00927 a rdfs:Class ;
  rdfs:label "2x(13)C,4x(2)H labeled dimethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces two hydrogen atoms of a residue containing common isotopes with two (13)C,3x(2)H labeled methyl groups to form a 2x(13)C,6x(2)H labeled dimethylated residue." ;
  rdfs:subClassOf obo:MOD_00839 , obo:MOD_00842 .

obo:MOD_01812 a rdfs:Class ;
  rdfs:label "5x(13)C,1x(15)N labeled L-methionine sulfoxide" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to 5x(13)C,1x(15)N labeled L-methionine sulfoxide." ;
  rdfs:subClassOf obo:MOD_01809 .

obo:MOD_00995 a rdfs:Class ;
  rdfs:label "(81)Br labeled 2'-bromophenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to (81)Br-L-2'-bromophenylalanine." ;
  rdfs:subClassOf obo:MOD_02086 .

obo:MOD_00934 a rdfs:Class ;
  rdfs:label "Levuglandinyl - arginine hydroxylactam adduct" ;
  rdfs:comment "modification from Unimod Post-translational" ;
  rdfs:subClassOf obo:MOD_00846 , obo:MOD_00902 .

obo:MOD_01257 a rdfs:Class ;
  rdfs:label "6-aminoquinolyl-N-hydroxysuccinimidyl carbamate - site K" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00547 .

obo:MOD_00505 a rdfs:Class ;
  rdfs:label "benzoyl labeling reagent light form (N-term and K)" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00281 a rdfs:Class ;
  rdfs:label "3'-heme-L-histidine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between the pros nitrogen of a histidine residue and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02070 .

obo:MOD_02096 a rdfs:Class ;
  rdfs:label "N4-methyl-D-asparagine" ;
  rdfs:comment "A protein modification that effectively converts a D-asparagine residue to N4-methyl-D-asparagine." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00602 , obo:MOD_00673 , obo:MOD_02097 .

obo:MOD_00664 a rdfs:Class ;
  rdfs:label "stereoisomerized residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue L-enantiomer (stereoisomer) with a D-enantiomer or with a different diastereomeric isomer." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01254 a rdfs:Class ;
  rdfs:label "4x(2)H labeled dimethylated L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 4x(2)H labeled dimethylated L-lysine." ;
  rdfs:subClassOf obo:MOD_00552 , obo:MOD_00912 .

obo:MOD_00337 a rdfs:Class ;
  rdfs:label "S-carbamoyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-carbamoyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00398 , obo:MOD_00905 .

obo:MOD_00847 a rdfs:Class ;
  rdfs:label "(18)O disubstituted residue" ;
  rdfs:comment "A protein modification that effectively substitutes two (18)O atom for two (16)O atoms." ;
  rdfs:subClassOf obo:MOD_00845 .

obo:MOD_01216 a rdfs:Class ;
  rdfs:label "iodoacetamide derivatized glutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to O5-(carboxamidomethyl)glutamate." ;
  rdfs:subClassOf obo:MOD_00397 , obo:MOD_00906 .

obo:MOD_00428 a rdfs:Class ;
  rdfs:label "dihydroxylated residue" ;
  rdfs:comment "A protein modification that effectively replaces two hydrogen atoms with two hydroxyl groups." ;
  rdfs:subClassOf obo:MOD_00677 .

obo:MOD_01088 a rdfs:Class ;
  rdfs:label "2,4,6-trimethyloxybenzyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a 2,4,6-trimethyloxybenzyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01599 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-118 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex-118 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01593 .

obo:MOD_01721 a rdfs:Class ;
  rdfs:label "TMT6plex-126 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Proteome Sciences TMT6plex-126 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01718 , obo:MOD_01720 .

obo:MOD_01996 a rdfs:Class ;
  rdfs:label "butanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an butanoyl group." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_00352 a rdfs:Class ;
  rdfs:label "L-glutamyl 5-omega-hydroxyceramide ester" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-glutamyl 5-omega-hydroxyceramide ester." ;
  rdfs:subClassOf obo:MOD_00907 , obo:MOD_01155 .

obo:MOD_00714 a rdfs:Class ;
  rdfs:label "methylated glycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to a methylated glycine, such as N-methylglycine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00908 .

obo:MOD_01877 a rdfs:Class ;
  rdfs:label "2-(4-guanidinobutanoyl)-5-hydroxyimidazole-4-carbothionic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue and an L-arginine residue to 2-(4-guanidinobutanoyl)-5-hydroxyimidazole-4-carbothionic acid." ;
  rdfs:subClassOf obo:MOD_01883 , obo:MOD_02041 , obo:MOD_02044 .

obo:MOD_00278 a rdfs:Class ;
  rdfs:label "2-methyl-L-glutamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to 2-methyl-L-glutamine." ;
  rdfs:subClassOf obo:MOD_00656 , obo:MOD_00722 .

obo:MOD_01075 a rdfs:Class ;
  rdfs:label "mercury containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a mercury atom or a cluster containing mercury for hydrogen atoms, or that coordinates a mercury ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_00768 a rdfs:Class ;
  rdfs:label "methionine oxidation with neutral loss of 80 Da" ;
  rdfs:comment "Oxidation of methionine to methionine sulfone with neutral loss of CH3SO2H." ;
  rdfs:subClassOf obo:MOD_00431 .

obo:MOD_00222 a rdfs:Class ;
  rdfs:label "2'-alpha-mannosyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 2'-alpha-mannosyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00421 , obo:MOD_00595 , obo:MOD_00918 .

obo:MOD_01686 a rdfs:Class ;
  rdfs:label "alpha-amino dimethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces two alpha amino hydrogen atoms with two methyl group." ;
  rdfs:subClassOf obo:MOD_00429 , obo:MOD_01460 .

obo:MOD_00577 a rdfs:Class ;
  rdfs:label "acetaldehyde crosslinked penta-L-lysine" ;
  rdfs:comment "modification occurs as a Schiff base in the presence of pentalysine" ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02051 .

obo:MOD_01986 a rdfs:Class ;
  rdfs:label "2-(L-cystein-S-yl)-L-serine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-serine residue by a thioether bond to form 2-(S-L-cysteinyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_01992 , obo:MOD_02055 .

obo:MOD_00436 a rdfs:Class ;
  rdfs:label "N-acetylhexosaminylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with an N-acetylhexosamine group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_00367 a rdfs:Class ;
  rdfs:label "O-sulfo-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-sulfo-L-threonine." ;
  rdfs:subClassOf obo:MOD_00695 , obo:MOD_00917 .

obo:MOD_00659 a rdfs:Class ;
  rdfs:label "methylated glutamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to a methylated glutamine, either 2-methylated glutamine, N5-methylated glutamine, or methyl esterified deamidated glutamine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00907 .

obo:MOD_00184 a rdfs:Class ;
  rdfs:label "L-3'-bromophenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to L-3'-bromophenylalanine." ;
  rdfs:subClassOf obo:MOD_00972 .

obo:MOD_01117 a rdfs:Class ;
  rdfs:label "pentamethyldihydrobenzofuransulfonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01501 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-116 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ4plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01499 , obo:MOD_01709 , obo:MOD_01875 .

obo:MOD_00137 a rdfs:Class ;
  rdfs:label "L-3-phenyllactic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue into L-3-phenyllactic acid." ;
  rdfs:subClassOf obo:MOD_00914 .

obo:MOD_01246 a rdfs:Class ;
  rdfs:label "fucosylated -site S" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00812 after formula correction. Remap to MOD:00812." .

obo:MOD_00861 a rdfs:Class ;
  rdfs:label "phosphorus containing modified residue" ;
  rdfs:comment "A protein modification that produces an amino acid residue containing a phosphorus atom." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01429 a rdfs:Class ;
  rdfs:label "(15)N isotope tagged reagent" ;
  rdfs:comment "A protein modification that forms an adduct with a (15)N labeled compound used as a reagent." ;
  rdfs:subClassOf obo:MOD_00843 , obo:MOD_01426 .

obo:MOD_01588 a rdfs:Class ;
  rdfs:label "O-cholinephosphoryl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-cholinephosphoryl-L-serine." ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_00050 a rdfs:Class ;
  rdfs:label "N-acetyl-L-alanine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N-acetyl-L-alanine." ;
  rdfs:subClassOf obo:MOD_00901 , obo:MOD_01458 .

obo:MOD_01286 a rdfs:Class ;
  rdfs:label "6x(13)C,1x(15)N labeled L-isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to 6x(13)C,1x(15)N isotope labeled L-isoleucine." ;
  rdfs:subClassOf obo:MOD_00910 , obo:MOD_01370 .

obo:MOD_00757 a rdfs:Class ;
  rdfs:label "O4-galactosyl-L-hydroxyproline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to O4-galactosyl-L-hydroxyproline." ;
  rdfs:subClassOf obo:MOD_00915 .

obo:MOD_02016 a rdfs:Class ;
  rdfs:label "N6-arachidonoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-arachidonoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02017 .

obo:MOD_01997 a rdfs:Class ;
  rdfs:label "N-butanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino or imino hydrogen with a butanoyl group." ;
  rdfs:subClassOf obo:MOD_01996 .

obo:MOD_01989 a rdfs:Class ;
  rdfs:label "2-(L-cystein-S-yl)-D-tyrosine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-tyrosine residue by a thioether bond to form 2-(S-L-cysteinyl)-D-tyrosine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_01992 , obo:MOD_02058 .

obo:MOD_01613 a rdfs:Class ;
  rdfs:label "3',5'-diiodo-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 3',5'-diiodo-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01140 .

obo:MOD_00039 a rdfs:Class ;
  rdfs:label "4-hydroxy-L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to 4-hydroxy-L-proline" ;
  rdfs:subClassOf obo:MOD_01024 .

obo:MOD_00613 a rdfs:Class ;
  rdfs:label "biotinoyl-iodoacetyl-ethylenediamine" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00656 a rdfs:Class ;
  rdfs:label "C-methylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydrocarbyl hydrogen with an methyl group." ;
  rdfs:subClassOf obo:MOD_00427 .

obo:MOD_00392 a rdfs:Class ;
  rdfs:label "O-decanoyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-decanoyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00668 , obo:MOD_02004 .

obo:MOD_00920 a rdfs:Class ;
  rdfs:label "modified L-valine residue" ;
  rdfs:comment "A protein modification that modifies an L-valine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00916 a rdfs:Class ;
  rdfs:label "modified L-serine residue" ;
  rdfs:comment "A protein modification that modifies an L-serine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01681 a rdfs:Class ;
  rdfs:label "monomethylated L-aspartic acid" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom of an L-aspartic acid residue with one methyl group." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00887 .

obo:MOD_01941 a rdfs:Class ;
  rdfs:label "2-(2-aminosuccinimidyl)pentanedioic acid (Asp)" ;
  rdfs:comment "A protein modification that crosslinks an aspartic acid and the following glycine residue with the formation of (2-aminosuccinimidyl)pentanedioic acid and the loss of a water molecule." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01946 , obo:MOD_02043 .

obo:MOD_01153 a rdfs:Class ;
  rdfs:label "methylthiolated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an methylsulfanyl group (thiomethyl group)." ;
  rdfs:subClassOf obo:MOD_01886 .

obo:MOD_00498 a rdfs:Class ;
  rdfs:label "fluorinated residue" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen of a residue with a fluorine atom." ;
  rdfs:subClassOf obo:MOD_00694 .

obo:MOD_01170 a rdfs:Class ;
  rdfs:label "pyruvic acid iminylated residue" ;
  rdfs:comment "A protein modification that effectively forms a 2-ketoimine of pyruvicacid with a residue amino group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00065 a rdfs:Class ;
  rdfs:label "S-acetyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-acetyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00645 , obo:MOD_00646 .

obo:MOD_01726 a rdfs:Class ;
  rdfs:label "TMT6plex-126 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Proteome Sciences TMT6plex-126 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01720 , obo:MOD_02004 .

obo:MOD_02045 a rdfs:Class ;
  rdfs:label "crosslinked L-glutamic acid residue" ;
  rdfs:comment "A protein modification that contains an L-glutamic acid residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_01020 a rdfs:Class ;
  rdfs:label "thioanisyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01328 a rdfs:Class ;
  rdfs:label "iodoacetic acid - site W" ;
  rdfs:comment "modification from Unimod Chemical derivative - hydroxylethanone" ;
  rdfs:subClassOf obo:MOD_00399 , obo:MOD_00918 .

obo:MOD_00653 a rdfs:Class ;
  rdfs:label "S-palmitoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfanyl group with an palmitoylsulfanyl group." ;
  rdfs:subClassOf obo:MOD_00440 , obo:MOD_00672 .

obo:MOD_00890 a rdfs:Class ;
  rdfs:label "phosphorylated L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to a phosphorylated L-histidine, such as pros-phosphohistidine, or tele-phosphohistidine." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01456 .

obo:MOD_00103 a rdfs:Class ;
  rdfs:label "L-phenylalanine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to L-phenylalanine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00914 .

obo:MOD_00439 a rdfs:Class ;
  rdfs:label "O-phospho-L-threonine with neutral loss of phosphate" ;
  rdfs:comment "Covalent modification of a peptide or protein amino acid phosphorylated threonine with a secondary loss of a neutral trihydrogen phosphate molecular fragment." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01151 .

obo:MOD_01929 a rdfs:Class ;
  rdfs:label "N6-(L-isoaspartyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks an either an L-asparagine residue or an L-aspartic acid residue with an L-lysine residue by an isopeptide bond with the formation of N6-(L-isoaspartyl)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_01875 .

obo:MOD_00537 a rdfs:Class ;
  rdfs:label "L-alanine residue (Thr)" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to L-alanine." ;
  rdfs:subClassOf obo:MOD_00917 .

obo:MOD_01769 a rdfs:Class ;
  rdfs:label "O-palmitoleyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-palmitoleyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_01768 , obo:MOD_02004 .

obo:MOD_01297 a rdfs:Class ;
  rdfs:label "5x(13)C labeled L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to 5x(13)C labeled L-proline." ;
  rdfs:subClassOf obo:MOD_00915 , obo:MOD_01832 .

obo:MOD_00624 a rdfs:Class ;
  rdfs:label "residues isobaric at 113.0-113.1 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 113.0-113.1 Da." .

obo:MOD_02034 a rdfs:Class ;
  rdfs:label "dHex1Hex3HexNAc6 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex Hex(3) HexNAc(6)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00211 a rdfs:Class ;
  rdfs:label "S-(glycyl)-L-cysteine (Cys-Gly)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and a glycine residue by a thioester bond to form S-glycyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02047 .

obo:MOD_00945 a rdfs:Class ;
  rdfs:label "fluorescein-5-thiosemicarbazide adduct" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00626. Remap to MOD:00626." .

obo:MOD_01201 a rdfs:Class ;
  rdfs:label "N6-heptosyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-heptosyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00925 .

obo:MOD_00207 a rdfs:Class ;
  rdfs:label "L-isoglutamyl-polyglutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to isoglutamyl-polyglutamic acid, forming an isopeptide bond with a polyglutamic acid." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_01670 a rdfs:Class ;
  rdfs:label "N6-chloro-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-methyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01672 , obo:MOD_01911 .

obo:MOD_02031 a rdfs:Class ;
  rdfs:label "dHex1Hex4HexNAc5 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex Hex(4) HexNAc(5)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00200 a rdfs:Class ;
  rdfs:label "D-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to D-methionine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00913 .

obo:MOD_00789 a rdfs:Class ;
  rdfs:label "Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, heavy form" ;
  rdfs:comment "modification from Unimod - isotopic label ICPL method - The paper describes an H/D labeling strategy whereas the commercial product follows a C/13C labeling strategy. The digest is typically applied AFTER ICPL_light/heavy labeling, only Protein N-term labeling and Lys-specific labeling is applied." ;
  rdfs:subClassOf obo:MOD_01428 .

obo:MOD_00229 a rdfs:Class ;
  rdfs:label "alpha-1-microglobulin-Ig alpha complex chromophore" ;
  rdfs:comment "A protein modification that effectively converts two L-cysteine residues to form alpha-1-microglobulin-Ig alpha complex chromophore." ;
  rdfs:subClassOf obo:MOD_02044 .

obo:MOD_00386 a rdfs:Class ;
  rdfs:label "L-lysine 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-lysine residue and a glycine residue to form L-lysine 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01882 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_01891 a rdfs:Class ;
  rdfs:label "N-[(L-histidin-1'-yl)methyl]-L-methionine (Met)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-methionine residue and an L-histidine residue to form N-[(L-histidin-1'-yl)methyl]-L-methionine." ;
  rdfs:subClassOf obo:MOD_02048 , obo:MOD_02052 .

obo:MOD_01125 a rdfs:Class ;
  rdfs:label "5'phos dThymidinyl" ;
  rdfs:comment "OBSOLETE because this is a modification that occurs to DNA/RNA and not proteins. modification from DeltaMass" .

obo:MOD_01376 a rdfs:Class ;
  rdfs:label "(2S,3S,4R)-3,4-dihydroxyisoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to a (2S,3S,4R)-3,4-dihydroxyisoleucine." ;
  rdfs:subClassOf obo:MOD_01416 .

obo:MOD_01585 a rdfs:Class ;
  rdfs:label "O-glycyl-L-serine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and a glycine residue by an ester bond to form O-glycyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00885 , obo:MOD_00954 , obo:MOD_02047 , obo:MOD_02055 .

obo:MOD_00822 a rdfs:Class ;
  rdfs:label "S-(L-leucyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-leucine residue and an L-cysteine residue by a thioester bond to form S-(L-leucyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02050 .

obo:MOD_01653 a rdfs:Class ;
  rdfs:label "dansyl chloride derivatized residue" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 5-dimethylaminonaphthalene-1-sulfonyl chloride, dansyl chloride." ;
  rdfs:subClassOf obo:MOD_01652 .

obo:MOD_00877 a rdfs:Class ;
  rdfs:label "imidoester crosslink dimethyl pimelimidate singly attached" ;
  rdfs:comment "dimethyl pimelimidate modification from Unimod" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01230 a rdfs:Class ;
  rdfs:label "Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, light form - site K" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00790 .

obo:MOD_00732 a rdfs:Class ;
  rdfs:label "xylosylated residue" ;
  rdfs:comment "a protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a xylose sugar group through a glycosidic bond" ;
  rdfs:subClassOf obo:MOD_00729 .

obo:MOD_01704 a rdfs:Class ;
  rdfs:label "dehydrobutyrine (Met)" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to dehydrobutyrine, by neutral loss of methyl sulfide." ;
  rdfs:subClassOf obo:MOD_00913 , obo:MOD_01703 .

obo:MOD_00397 a rdfs:Class ;
  rdfs:label "iodoacetamide derivatized residue" ;
  rdfs:comment "A protein modification that is produced by reaction with iodoacetamide, usually replacement of a reactive hydrogen with a methylcarboxamido group." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00422 a rdfs:Class ;
  rdfs:label "alpha-amino morpholine-2-acetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a morpholine-2-acetyl group." ;
  rdfs:subClassOf obo:MOD_01696 , obo:MOD_01813 .

obo:MOD_01175 a rdfs:Class ;
  rdfs:label "S-phycourobilin-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a cysteine residue and the tetrapyrrole compound phycourobilin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_00905 .

obo:MOD_01357 a rdfs:Class ;
  rdfs:label "2x(13)C,4x(2)H labeled dimethylated L-lysine" ;
  rdfs:comment "A protein modification that effectively replaces two hydrogen atoms of an L-lysine residue containing common isotopes with two (13)C,3x(2)H labeled methyl groups to form a 2x(13)C,6x(2)H labeled dimethylated L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_00927 .

obo:MOD_01186 a rdfs:Class ;
  rdfs:label "monoacetylated L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to either N-acetyl-L-threonne, or O-acetyl-Lthreonine." ;
  rdfs:subClassOf obo:MOD_00394 , obo:MOD_00917 .

obo:MOD_01275 a rdfs:Class ;
  rdfs:label "N6-[4-(2-aminoethyl)benzenesulfonyl]lysine" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 4-(2-aminoethyl)benzenesulfonyl fluoride, AEBS, and an L-lysine residue." ;
  rdfs:subClassOf obo:MOD_00596 , obo:MOD_00912 .

obo:MOD_00077 a rdfs:Class ;
  rdfs:label "asymmetric dimethyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to asymmetric dimethylarginine, N(omega),N(omega)-dimethyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00602 , obo:MOD_00783 .

obo:MOD_01778 a rdfs:Class ;
  rdfs:label "N-(glycyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts a C-terminal glycine residue to N-(glycyl)-L-cysteine by forming a peptide bond with a free L-cysteine." ;
  rdfs:subClassOf obo:MOD_00908 .

obo:MOD_01306 a rdfs:Class ;
  rdfs:label "O-hexosaminylated threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-hexosaminyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00005 , obo:MOD_00876 .

obo:MOD_00741 a rdfs:Class ;
  rdfs:label "nickel containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a nickel atom or a cluster containing nickel for hydrogen atoms, or that coordinates a nickel ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_01636 a rdfs:Class ;
  rdfs:label "L-glutamic acid removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-glutamic acid." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01651 .

obo:MOD_01715 a rdfs:Class ;
  rdfs:label "TMT6plex reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with a Proteome Sciences TMT6plex reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01705 .

obo:MOD_00292 a rdfs:Class ;
  rdfs:label "N6-pyruvic acid 2-iminyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-pyruvic acid 2-iminyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01170 .

obo:MOD_02023 a rdfs:Class ;
  rdfs:label "N-cervonoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a cervonoylamino group." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_02024 .

obo:MOD_00980 a rdfs:Class ;
  rdfs:label "Carboxamidomethyl (on Cysteine)" ;
  rdfs:comment "modification from DeltaMass - OBSOLETE because redundant, the difference component of MOD:01060. Remap to MOD:01060." .

obo:MOD_00021 a rdfs:Class ;
  rdfs:label "L-lysine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-lysine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_01346 a rdfs:Class ;
  rdfs:label "N4-hexosylated asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to an N4-hexosyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00434 .

obo:MOD_00602 a rdfs:Class ;
  rdfs:label "N-methylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue amino or imino group with an methyl group." ;
  rdfs:subClassOf obo:MOD_00427 .

obo:MOD_00523 a rdfs:Class ;
  rdfs:label "Hex1HexNAc2dHex1Pent1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00252 a rdfs:Class ;
  rdfs:label "keratan sulfate D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-threonine residue to the polymer keratan sulfate by a D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl tetrasaccharide." ;
  rdfs:subClassOf obo:MOD_00005 .

obo:MOD_00685 a rdfs:Class ;
  rdfs:label "deamidated L-glutamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to L-glutamic acid." ;
  rdfs:subClassOf obo:MOD_00400 , obo:MOD_00907 .

obo:MOD_00858 a rdfs:Class ;
  rdfs:label "D-alanine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to D-alanine." ;
  rdfs:subClassOf obo:MOD_00862 , obo:MOD_00916 , obo:MOD_01161 .

obo:MOD_01401 a rdfs:Class ;
  rdfs:label "(2S,3S)-3-hydroxyasparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to a (2S,3S)-3-hydroxyasparagine." ;
  rdfs:subClassOf obo:MOD_01688 .

obo:MOD_01970 a rdfs:Class ;
  rdfs:label "5-glutamyl glutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to 5-glutamyl glutamic acid, forming an isopeptide bond with a free glutamic acid." ;
  rdfs:subClassOf obo:MOD_00207 .

obo:MOD_00660 a rdfs:Class ;
  rdfs:label "methylated cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to a methylated cysteine, either S-methylcysteine, or cysteine methyl ester." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00905 .

obo:MOD_01520 a rdfs:Class ;
  rdfs:label "modification reporter fragment" ;
  rdfs:comment "A distinct molecular entity produced as the result of a fragmentation process performed on a particular modified residue." ;
  rdfs:subClassOf obo:MOD_01519 .

obo:MOD_01851 a rdfs:Class ;
  rdfs:label "S-(2-aminovinyl)-cysteine" ;
  rdfs:comment "A protein modification that effectively cross-links either two L-cysteine residues, or an L-cysteine residue and an L-serine residue by a thioether bond to form S-(2-aminovinyl)-cysteine." ;
  rdfs:subClassOf obo:MOD_00687 , obo:MOD_00859 .

obo:MOD_01410 a rdfs:Class ;
  rdfs:label "hydroxylated leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to an hydroxylated leucine." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00911 .

obo:MOD_00811 a rdfs:Class ;
  rdfs:label "O-mannosyl-L-threonine" ;
  rdfs:comment "a protein modification that effectively forms a O3-mannosylthreonine" ;
  rdfs:subClassOf obo:MOD_00595 , obo:MOD_01348 .

obo:MOD_00595 a rdfs:Class ;
  rdfs:label "monomannosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an manose group through a glycosidic bond" ;
  rdfs:subClassOf obo:MOD_00727 , obo:MOD_00761 .

obo:MOD_01317 a rdfs:Class ;
  rdfs:label "phosphorylation to amine thiol - site T" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00535 , obo:MOD_00917 .

obo:MOD_01840 a rdfs:Class ;
  rdfs:label "L-allo-isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to L-allo-isoleucine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00910 .

obo:MOD_00036 a rdfs:Class ;
  rdfs:label "(2S,3R)-3-hydroxyaspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to (2S,3R)-3-hydroxyaspartic acid." ;
  rdfs:subClassOf obo:MOD_01926 .

obo:MOD_00138 a rdfs:Class ;
  rdfs:label "2-oxobutanoic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue into 2-oxobutanoic acid." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01160 .

obo:MOD_01927 a rdfs:Class ;
  rdfs:label "O-glycosyl-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to O4'-glycosyltyrosine." ;
  rdfs:subClassOf obo:MOD_00396 , obo:MOD_00919 .

obo:MOD_02019 a rdfs:Class ;
  rdfs:label "N6-timnodonoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-timnodonoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02020 .

obo:MOD_01162 a rdfs:Class ;
  rdfs:label "fucosylated biantennary" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00725 .

obo:MOD_01625 a rdfs:Class ;
  rdfs:label "1-thioglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to 1-thioglycine." ;
  rdfs:subClassOf obo:MOD_00749 , obo:MOD_00908 .

obo:MOD_01935 a rdfs:Class ;
  rdfs:label "O-glucosyl-L-hydroxylysine" ;
  rdfs:comment "modification from RESID" ;
  rdfs:subClassOf obo:MOD_00396 , obo:MOD_00912 .

obo:MOD_01260 a rdfs:Class ;
  rdfs:label "nucleophilic addtion to cytopiloyne - site Y" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_01574 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-119 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ8plex-119 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01570 , obo:MOD_01710 .

obo:MOD_01259 a rdfs:Class ;
  rdfs:label "N-methylmaleimide modified L-lysine" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00625 , obo:MOD_00912 .

obo:MOD_01816 a rdfs:Class ;
  rdfs:label "2'-hydroxy-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a 2'-hydroxy-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01622 .

obo:MOD_02102 a rdfs:Class ;
  rdfs:label "2-hydroxy-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts a L-Phenylalanine residue to 2-hydroxy-L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_02099 , obo:MOD_02116 .

obo:MOD_01083 a rdfs:Class ;
  rdfs:label "O-benzyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-benzyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01008 .

obo:MOD_02042 a rdfs:Class ;
  rdfs:label "crosslinked L-asparagine residue" ;
  rdfs:comment "A protein modification that contains an L-asparagine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00903 .

obo:MOD_00743 a rdfs:Class ;
  rdfs:label "molybdenum containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a molybdenum atom or a cluster containing molybdenum for hydrogen atoms, or that coordinates a molybdenum ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_00263 a rdfs:Class ;
  rdfs:label "S-phycoviolobilin-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a cysteine residue and the tetrapyrrole compound phycoviolobilin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_00905 .

obo:MOD_01953 a rdfs:Class ;
  rdfs:label "tetrakis-L-cysteinyl tetrairon octanitrosyl" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues and a four-iron cluster to tetrakis-L-cysteinyl tetrairon octanitrosyl." ;
  rdfs:subClassOf obo:MOD_00738 , obo:MOD_02067 .

obo:MOD_01147 a rdfs:Class ;
  rdfs:label "dHex1Hex3HexNAc2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00450 a rdfs:Class ;
  rdfs:label "acetate labeling reagent light form (K)" ;
  rdfs:comment "OBSOLETE because this isotopic label from Unimod entry 57 is deprecated" .

obo:MOD_00710 a rdfs:Class ;
  rdfs:label "protonated-dimethylated residue" ;
  rdfs:comment "A protein modification that effectively adds a proton and replaces two hydrogen atoms with two methyl groups." ;
  rdfs:subClassOf obo:MOD_00429 .

obo:MOD_01158 a rdfs:Class ;
  rdfs:label "modified L-selenocysteine residue" ;
  rdfs:comment "A protein modification that modifies an L-selenocysteine residue." ;
  rdfs:subClassOf obo:MOD_00745 , obo:MOD_01157 .

obo:MOD_01173 a rdfs:Class ;
  rdfs:label "N-asparaginyl-glycosylsphingolipidinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N-asparaginyl-glycosylsphingolipidinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00466 , obo:MOD_00903 .

obo:MOD_00778 a rdfs:Class ;
  rdfs:label "residues isobaric at 182.9-183.0 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 182.9-183.0 Da." .

obo:MOD_01398 a rdfs:Class ;
  rdfs:label "N6-propanoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-propanoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01155 , obo:MOD_01875 , obo:MOD_01894 .

obo:MOD_01502 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-116 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ4plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01499 , obo:MOD_01713 .

obo:MOD_00149 a rdfs:Class ;
  rdfs:label "tetrakis-L-cysteinyl tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues and a four-iron four-sulfur cluster to tetrakis-L-cysteinyl tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 .

obo:MOD_00475 a rdfs:Class ;
  rdfs:label "2-amino-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 2-amino-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_02039 .

obo:MOD_01555 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-116 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ8plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01549 , obo:MOD_01714 , obo:MOD_02004 .

obo:MOD_00155 a rdfs:Class ;
  rdfs:label "L-3',4'-dihydroxyphenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to L-3',4'-dihydroxyphenylalanine." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00707 .

obo:MOD_00573 a rdfs:Class ;
  rdfs:label "oxidized lysine biotinylated with biotin hydrazide" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00912 .

obo:MOD_01682 a rdfs:Class ;
  rdfs:label "monomethylated L-cysteine" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom of an L-cysteine residue with one methyl group." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00660 .

obo:MOD_00730 a rdfs:Class ;
  rdfs:label "arabinosylated residue" ;
  rdfs:comment "a protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a arabinose sugar group through a glycosidic bond" ;
  rdfs:subClassOf obo:MOD_00729 .

obo:MOD_00547 a rdfs:Class ;
  rdfs:label "6-aminoquinolyl-N-hydroxysuccinimidyl carbamate" ;
  rdfs:comment "modification from Unimod Chemical derivative used for amino acid analysis" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01071 a rdfs:Class ;
  rdfs:label "diphenylmethyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a diphenylmethyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00310 a rdfs:Class ;
  rdfs:label "N5-methyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to N5-methyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00414 , obo:MOD_00602 .

obo:MOD_01377 a rdfs:Class ;
  rdfs:label "(2S,3R,4S)-4-hydroxyisoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to a (2S,3R,4S)-4-hydroxyisoleucine." ;
  rdfs:subClassOf obo:MOD_01415 .

obo:MOD_00274 a rdfs:Class ;
  rdfs:label "L-cysteine persulfide" ;
  rdfs:comment "A protein modification that effectively replaces the hydrogen atom of a cysteine sulfanyl group with a sulfanyl group, forming a disulfanyl group, and converting an L-cysteine residue to L-cysteine persulfide." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01886 .

obo:MOD_01992 a rdfs:Class ;
  rdfs:label "alpha-carbon thioether crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by formation of a thioether bond between a cysteine thiol and the alpha-carbon of another amino acid residue." ;
  rdfs:subClassOf obo:MOD_00687 .

obo:MOD_01942 a rdfs:Class ;
  rdfs:label "D-aspartic acid" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to D-aspartic acid." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00859 .

obo:MOD_01513 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass differences that are nominally equal at a resolution below 0.1 Da" ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins that are nominally equal (sometimes called isobaric) at a resolution below 0.1 Da." .

obo:MOD_01092 a rdfs:Class ;
  rdfs:label "mesitylene-2-sulfonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01212 a rdfs:Class ;
  rdfs:label "iodoacetamide N6-derivatized lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-(carboxamidomethyl)lysine." ;
  rdfs:subClassOf obo:MOD_00397 , obo:MOD_00912 .

obo:MOD_01609 a rdfs:Class ;
  rdfs:label "7'-hydroxy-2'-alpha-mannosyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 7'-hydroxy-2'-alpha-mannosyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_00508 a rdfs:Class ;
  rdfs:label "ISD a-series (C-Term)" ;
  rdfs:comment "OBSOLETE because this is an ion type and is not a biological or chemical modification to a polypeptide, can be handled by PSI-MS CV term, MS:1001229" .

obo:MOD_00133 a rdfs:Class ;
  rdfs:label "N6-(L-isoglutamyl)-L-lysine (Gln)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-glutamine residue and an L-lysine residue by an isopeptide bond with the formation of N6-(L-isoglutamyl)-L-lysine and the release of ammonia." ;
  rdfs:subClassOf obo:MOD_00946 , obo:MOD_01630 , obo:MOD_02046 .

obo:MOD_01596 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-115 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex-115 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01593 .

obo:MOD_00587 a rdfs:Class ;
  rdfs:label "6x(13)C,4x(15)N labeled L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to 6x(13)C, 4x(15)N labeled L-arginine." ;
  rdfs:subClassOf obo:MOD_00842 , obo:MOD_00843 , obo:MOD_00902 .

obo:MOD_01123 a rdfs:Class ;
  rdfs:label "monoiodated tyrosine" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:01123. Remap to MOD:01123." .

obo:MOD_00404 a rdfs:Class ;
  rdfs:label "homoserine lactone" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to homoserine lactone." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00913 .

obo:MOD_00356 a rdfs:Class ;
  rdfs:label "S-(4alpha-FMN)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(4a-FMN)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_02083 .

obo:MOD_01544 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-115 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ8plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01542 , obo:MOD_01710 , obo:MOD_01875 .

obo:MOD_01985 a rdfs:Class ;
  rdfs:label "2-(L-cystein-S-yl)-D-asparagine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-asparagine residue by a thioether bond to form 2-(S-L-cysteinyl)-D-asparagine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_01992 , obo:MOD_02060 .

obo:MOD_01298 a rdfs:Class ;
  rdfs:label "reduced cysteine 4-hydroxynonenal adduct" ;
  rdfs:comment "A protein modification produced by formation of an adduct of an L-cysteine residue with 4-hydroxynonenal artificially reduced by a reagent such as NaBH4." ;
  rdfs:subClassOf obo:MOD_00642 , obo:MOD_00905 .

obo:MOD_00106 a rdfs:Class ;
  rdfs:label "L-threonine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to L-threonine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00917 .

obo:MOD_01536 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-114 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ8plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01535 , obo:MOD_01712 .

obo:MOD_00843 a rdfs:Class ;
  rdfs:label "(15)N labeled residue" ;
  rdfs:comment "A protein modification that effectively substitutes atoms of particular common isotopes with atoms of or groups containing (15)N." ;
  rdfs:subClassOf obo:MOD_00702 .

obo:MOD_00218 a rdfs:Class ;
  rdfs:label "O-(phospho-5'-RNA)-L-serine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and the 5'-end of RNA through a phosphodiester to form O4'-(phospho-5'-RNA)-L-serine." ;
  rdfs:subClassOf obo:MOD_00751 , obo:MOD_00916 .

obo:MOD_00724 a rdfs:Class ;
  rdfs:label "N-methylated L-histidine" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom on a nitrogen of an L-histidine residue with one methyl group." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00602 , obo:MOD_00661 .

obo:MOD_01134 a rdfs:Class ;
  rdfs:label "fluorescein labelling of peptide N-terminal using NHS ester" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01722 a rdfs:Class ;
  rdfs:label "TMT6plex-126 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Proteome Sciences TMT6plex-126 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01717 , obo:MOD_01720 , obo:MOD_01875 .

obo:MOD_00148 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl triiron tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues and a three-iron four-sulfur cluster to tris-L-cysteinyl triiron tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 .

obo:MOD_00069 a rdfs:Class ;
  rdfs:label "N-palmitoyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-palmitoyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_01684 , obo:MOD_01685 .

obo:MOD_00117 a rdfs:Class ;
  rdfs:label "S-(L-isoglutamyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-glutamine residue by a thioester bond with the formation of S-(L-isoglutamyl)-L-cysteine and the release of ammonia." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00946 , obo:MOD_02046 .

obo:MOD_01331 a rdfs:Class ;
  rdfs:label "6x(13)C labeled L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to 6x(13)C labeled L-arginine." ;
  rdfs:subClassOf obo:MOD_00544 .

obo:MOD_01603 a rdfs:Class ;
  rdfs:label "2x(15)N labeled L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 2x(15)N labeled L-lysine." ;
  rdfs:subClassOf obo:MOD_00843 , obo:MOD_00912 .

obo:MOD_01003 a rdfs:Class ;
  rdfs:label "t-butyloxymethyl (Bum)" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01787 a rdfs:Class ;
  rdfs:label "5'-(L-tyros-5'-yl)amino-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively cross-links two L-tyrosine residues through their 5' positions by amine nitrogen to form 5'-(L-tyros-5'-yl)amino-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02058 .

obo:MOD_01253 a rdfs:Class ;
  rdfs:label "malondialdehyde lysine adduct (+54 amu)" ;
  rdfs:comment "modification from Unimod Chemical derivative - Malondialdehyde (MDA) adduct" ;
  rdfs:subClassOf obo:MOD_00630 , obo:MOD_00912 .

obo:MOD_00991 a rdfs:Class ;
  rdfs:label "S-(sn-1-glyceryl)-L-cysteine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01771 a rdfs:Class ;
  rdfs:label "farnesyl reporter fragment" ;
  rdfs:comment "The farnesyl cation protein modification reporter fragment produced by fragmentation of some farnesyl modified residues." ;
  rdfs:subClassOf obo:MOD_01520 .

obo:MOD_01462 a rdfs:Class ;
  rdfs:label "N-methylated proline" ;
  rdfs:comment "A protein modification that effectively replaces an L-proline alpha imino hydrogen with a methyl group." ;
  rdfs:subClassOf obo:MOD_00712 , obo:MOD_01460 .

obo:MOD_00576 a rdfs:Class ;
  rdfs:label "crotonylated residue" ;
  rdfs:comment "modification from Unimod Other" ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_02108 a rdfs:Class ;
  rdfs:label "6-hydroxy-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a 6-hydroxy-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01622 .

obo:MOD_01059 a rdfs:Class ;
  rdfs:label "(81)Br labeled 3',5'-dibromotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_01006 .

obo:MOD_01014 a rdfs:Class ;
  rdfs:label "phosphate/sulphate adduct of proteins" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00180 a rdfs:Class ;
  rdfs:label "S-sulfo-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-sulfo-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00695 , obo:MOD_00905 .

obo:MOD_00379 a rdfs:Class ;
  rdfs:label "L-serine microcin E492 siderophore ester" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to L-serine microcin E492 siderophore ester." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_00353 a rdfs:Class ;
  rdfs:label "S-[5'-(L-tryptoph-6'-yl)-L-tyrosin-3'-yl]-L-methionin-S-ium" ;
  rdfs:comment "A protein modification that effectively cross-links an L-tryptophan residue with an L-tyrosine residue by a carbon-carbon bond, and cross-links the L-tyrosine residue to an L-methionine residue by a thioether bond to form S-[5'-(L-tryptoph-6'-yl)-L-tyrosin-3'-yl]-L-methionin-S-ium." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02052 , obo:MOD_02057 , obo:MOD_02058 .

obo:MOD_01293 a rdfs:Class ;
  rdfs:label "1x(18)O labeled deamidated L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to L-aspartic acid with one (18)O." ;
  rdfs:subClassOf obo:MOD_00852 .

obo:MOD_01833 a rdfs:Class ;
  rdfs:label "5x(13)C-labeled L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue containing common isotopes to 5x(13)C-labeled L-methionine." ;
  rdfs:subClassOf obo:MOD_00913 , obo:MOD_01832 .

obo:MOD_01710 a rdfs:Class ;
  rdfs:label "iTRAQ8plex reporter+balance reagent N-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino- or imino-hydrogen with one of the Applied Biosystems iTRAQ8plex reagent reporter+balance groups." ;
  rdfs:subClassOf obo:MOD_01706 .

obo:MOD_01197 a rdfs:Class ;
  rdfs:label "N-heptosyl-L-glutamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to N-heptosyl-L-glutamine." ;
  rdfs:subClassOf obo:MOD_00925 .

obo:MOD_01164 a rdfs:Class ;
  rdfs:label "riboflavin-phosphorylated residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a riboflavin phosphate (flavin mononucleotide, FMN) group through a phosphodiester bond." ;
  rdfs:subClassOf obo:MOD_00697 .

obo:MOD_01064 a rdfs:Class ;
  rdfs:label "inositol" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00985 a rdfs:Class ;
  rdfs:label "halogenated tyrosine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-tyrosine residue with a halogen atom." ;
  rdfs:subClassOf obo:MOD_00694 , obo:MOD_00919 .

obo:MOD_01451 a rdfs:Class ;
  rdfs:label "O-phospho-L-serine arising from O-phosphopantetheine-L-serine after neutral loss of pantetheine" ;
  rdfs:comment "A protein modification that converts an L-serine residue to O-phosphopantetheine-L-serine with secondary neutral loss of pantetheine resulting in O-phospho-L-serine." ;
  rdfs:subClassOf obo:MOD_00431 , obo:MOD_00916 .

obo:MOD_00435 a rdfs:Class ;
  rdfs:label "O-phospho-L-serine with neutral loss of phosphate" ;
  rdfs:comment "Covalent modification of a peptide or protein amino acid phosphorylated serine with a secondary loss of a neutral trihydrogen phosphate molecular fragment." ;
  rdfs:subClassOf obo:MOD_01151 .

obo:MOD_00866 a rdfs:Class ;
  rdfs:label "dihydroxylated proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to one of several dihydroxylated proline residues, such as (2S,3R,4R)-3,4-dihydroxyproline or (2S,3R,4S)-3,4-dihydroxyproline." ;
  rdfs:subClassOf obo:MOD_00428 , obo:MOD_00678 .

obo:MOD_00209 a rdfs:Class ;
  rdfs:label "S-(2-aminovinyl)-D-cysteine (Cys-Ser)" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-serine residue by a thioether bond to form S-(2-aminovinyl)-D-cysteine." ;
  rdfs:subClassOf obo:MOD_01850 , obo:MOD_02055 .

obo:MOD_00032 a rdfs:Class ;
  rdfs:label "uncategorized protein modification" ;
  rdfs:comment "A protein modification that is not chemically categorized." ;
  rdfs:subClassOf obo:MOD_00000 .

obo:MOD_01664 a rdfs:Class ;
  rdfs:label "7'-hydroxy-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a 7'-hydroxy-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01622 .

obo:MOD_01581 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-121 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ8plex-121 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01577 , obo:MOD_01710 .

obo:MOD_00449 a rdfs:Class ;
  rdfs:label "acetate labeling reagent (N-term) (heavy form, +3amu)" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01431 .

obo:MOD_01053 a rdfs:Class ;
  rdfs:label "2-nitrophenylsulphenyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00541 a rdfs:Class ;
  rdfs:label "9x(13)C labeled L-phosphotyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 9x(13)C labeled L-phosphotyrosine." ;
  rdfs:subClassOf obo:MOD_00842 , obo:MOD_00919 .

obo:MOD_00110 a rdfs:Class ;
  rdfs:label "L-cysteine methyl disulfide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteine methyl disulfide." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 , obo:MOD_01153 , obo:MOD_01862 .

obo:MOD_01353 a rdfs:Class ;
  rdfs:label "amidination of lysines or N-terminal amines with methyl acetimidate - site K" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00509 , obo:MOD_00912 .

obo:MOD_00305 a rdfs:Class ;
  rdfs:label "hexakis-L-cysteinyl L-serinyl octairon heptasulfide" ;
  rdfs:comment "A protein modification that effectively converts six L-cysteine residues, an L-serine residue and a eight-iron seven-sulfur cluster to hexakis-L-cysteinyl L-serinyl octairon heptasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02072 .

obo:MOD_00598 a rdfs:Class ;
  rdfs:label "S-(2-hydroxyethyl)cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(2-hydroxyethyl)cysteine" ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00641 a rdfs:Class ;
  rdfs:label "CAMthiopropanoyl of Lys" ;
  rdfs:comment "OBSOLETE because Unimod entry 334 is merged with Unimod 293. Remap to MOD:00612" .

obo:MOD_01405 a rdfs:Class ;
  rdfs:label "L-proline thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-proline residue to form L-proline thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02054 , obo:MOD_02082 .

obo:MOD_00244 a rdfs:Class ;
  rdfs:label "L-cysteine oxazoline-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-serine residue to form L-cysteine oxazoline-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01421 , obo:MOD_02044 .

obo:MOD_01793 a rdfs:Class ;
  rdfs:label "S-carboxamidomethyl-L-cysteine sulfoxide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-carboxamidomethyl-L-cysteine sulfoxide." ;
  rdfs:subClassOf obo:MOD_00708 , obo:MOD_01854 .

obo:MOD_00162 a rdfs:Class ;
  rdfs:label "O5-glucosylgalactosyl-L-hydroxylysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to O5-glucosylgalactosyl-L-hydroxylysine." ;
  rdfs:subClassOf obo:MOD_00396 , obo:MOD_00912 .

obo:MOD_01302 a rdfs:Class ;
  rdfs:label "methylamine Michael addition derivatized serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to 2-amino-3-(methylamino)propanoic acid." ;
  rdfs:subClassOf obo:MOD_00643 , obo:MOD_00916 .

obo:MOD_01234 a rdfs:Class ;
  rdfs:label "(18)O monosubstituted L-serine" ;
  rdfs:comment "modification from Unimod Isotopic label - alkaline phosphatase to dephosphorylate" ;
  rdfs:subClassOf obo:MOD_00581 , obo:MOD_00916 .

obo:MOD_01042 a rdfs:Class ;
  rdfs:label "adamantyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a adamantyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01313 a rdfs:Class ;
  rdfs:label "quaternary amine labeling reagent heavy form (+9amu) N6-L-lysine" ;
  rdfs:comment "A protein modification that effectively replaces a lysine N6-hydrogen with a quaternary amine reagent heavy (+9amu) form group." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01426 .

obo:MOD_00083 a rdfs:Class ;
  rdfs:label "N6,N6,N6-trimethyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6,N6,N6-trimethyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00602 , obo:MOD_00663 , obo:MOD_00711 .

obo:MOD_00360 a rdfs:Class ;
  rdfs:label "L-cysteinyl copper sulfido molybdopterin cytosine dinuncleotide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteinyl copper sulfido molybdopterin cytosine dinuncleotide." ;
  rdfs:subClassOf obo:MOD_00742 , obo:MOD_00744 , obo:MOD_00860 , obo:MOD_02067 .

obo:MOD_00630 a rdfs:Class ;
  rdfs:label "C3-H2-O adduct (+54 amu) of malondialdehyde with lysine or methylglyoxal with arginine." ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_02027 a rdfs:Class ;
  rdfs:label "urmylated lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks the N6-amino of a peptidyl lysine with the carboxyl-terminal glycine of a URM1 protein." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_01569 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-118 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ8plex-118 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01563 , obo:MOD_01714 , obo:MOD_02004 .

obo:MOD_01473 a rdfs:Class ;
  rdfs:label "hydrogenated residue" ;
  rdfs:comment "A protein modification that effectively adds neutral hydrogen atoms (proton and electron) to a residue." ;
  rdfs:subClassOf obo:MOD_01472 .

obo:MOD_00345 a rdfs:Class ;
  rdfs:label "2-(S-L-cysteinyl)-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-phenylalanine residue by a thioether bond to form 2-(S-L-cysteinyl)-L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_01992 , obo:MOD_02053 .

obo:MOD_01342 a rdfs:Class ;
  rdfs:label "selenium substitution for sulfur - site M" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00530. Remap to MOD:00530." .

obo:MOD_00606 a rdfs:Class ;
  rdfs:label "Sulfanilic Acid (SA), heavy C13" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_01428 .

obo:MOD_00671 a rdfs:Class ;
  rdfs:label "O-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl group with a acyloxy group." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_00464 a rdfs:Class ;
  rdfs:label "N'-formyl-L-kynurenine" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to N'-formyl-L-kynurenine." ;
  rdfs:subClassOf obo:MOD_00679 , obo:MOD_00918 .

obo:MOD_01223 a rdfs:Class ;
  rdfs:label "thioacylation of primary amines - site N-term" ;
  rdfs:comment "modification from Unimod Other -" ;
  rdfs:subClassOf obo:MOD_00497 .

obo:MOD_00025 a rdfs:Class ;
  rdfs:label "L-serine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-serine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_00241 a rdfs:Class ;
  rdfs:label "N4-hydroxymethyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4-hydroxymethyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00903 .

obo:MOD_00382 a rdfs:Class ;
  rdfs:label "3-(2-methylthio)ethyl-6-(4-hydroxybenzylidene)-5-iminopiperazin-2-one" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-methionyl-L-tyrosine dipeptide to form 3-(2-methylthio)ethyl-6-(4-hydroxybenzylidene)-5-iminopiperazin-2-one." ;
  rdfs:subClassOf obo:MOD_02052 , obo:MOD_02058 .

obo:MOD_00413 a rdfs:Class ;
  rdfs:label "biotinyl-iodoacetamidyl-3,6-dioxaoctanediamine derivatized cysteine" ;
  rdfs:comment "A protein modification that is produced by reaction of a cysteine residue with biotinyl-iodoacetamidyl-3,6-dioxaoctanediamine." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_01782 a rdfs:Class ;
  rdfs:label "N-methyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to N-methyl-L-serine." ;
  rdfs:subClassOf obo:MOD_01680 , obo:MOD_01800 .

obo:MOD_01645 a rdfs:Class ;
  rdfs:label "L-proline removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-proline." ;
  rdfs:subClassOf obo:MOD_00915 , obo:MOD_01651 .

obo:MOD_00790 a rdfs:Class ;
  rdfs:label "Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, light form" ;
  rdfs:comment "modification from Unimod - isotopic label ICPL method - The paper describes an H/D labeling strategy whereas the commercial product follows a C/13C labeling strategy. The digest is typically applied AFTER ICPL_light/heavy labeling, only Protein N-term labeling and Lys-specific labeling is applied." ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00646 a rdfs:Class ;
  rdfs:label "monoacetylated L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to either N-acetyl-L-cysteine or S-acetyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00394 , obo:MOD_00905 .

obo:MOD_00760 a rdfs:Class ;
  rdfs:label "biantennary N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation - missing ref" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01845 a rdfs:Class ;
  rdfs:label "L-proline 5-hydroxyoxazole-4-carbothionic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue and an L-proline residue to L-proline 5-hydroxyoxazole-4-carbothionic acid." ;
  rdfs:subClassOf obo:MOD_01856 , obo:MOD_02044 , obo:MOD_02054 .

obo:MOD_01361 a rdfs:Class ;
  rdfs:label "O-thiophospho-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-thiophospho-L-threonine." ;
  rdfs:subClassOf obo:MOD_00583 , obo:MOD_00917 .

obo:MOD_01195 a rdfs:Class ;
  rdfs:label "benzoyl labeling reagent light form - site K" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00505 .

obo:MOD_00453 a rdfs:Class ;
  rdfs:label "quaternary amine labeling reagent light form (N-term & K)" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a quaternary amine reagent light form group." ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00765 a rdfs:Class ;
  rdfs:label "cysteinylation (disulfide with free L-cysteine)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(L-cysteinyl)-L-cysteine, forming a disulfide bond with free cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01862 .

obo:MOD_01248 a rdfs:Class ;
  rdfs:label "iodouridine monophosphate derivatized tyrosine" ;
  rdfs:comment "A protein modification that is produced by reaction of iodouridine monophosphate with an L-tyrosine residue to form an ether linkage." ;
  rdfs:subClassOf obo:MOD_00611 , obo:MOD_00919 .

obo:MOD_01798 a rdfs:Class ;
  rdfs:label "3'-phosphohistidine immonium ion" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal 3'-phosphohistidine residue to 3'-phosphohistidine immonium ion." ;
  rdfs:subClassOf obo:MOD_01791 .

obo:MOD_01491 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-114 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ4plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01485 , obo:MOD_01713 , obo:MOD_02004 .

obo:MOD_01974 a rdfs:Class ;
  rdfs:label "S-methyl-L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to S-methyl-L-methionine." ;
  rdfs:subClassOf obo:MOD_00716 .

obo:MOD_00334 a rdfs:Class ;
  rdfs:label "1'-heme-L-histidine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between the tele nitrogen of a histidine residue and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02070 .

obo:MOD_01511 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-117 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ4plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01506 , obo:MOD_01713 , obo:MOD_02003 .

obo:MOD_00472 a rdfs:Class ;
  rdfs:label "IMID d0" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_02074 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-lysine residue" ;
  rdfs:comment "A protein modification that contains an L-lysine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_00256 a rdfs:Class ;
  rdfs:label "L-methionine sulfone" ;
  rdfs:comment "A protein modification that dioxygenates an L-methionine residue to L-methionine sulfone." ;
  rdfs:subClassOf obo:MOD_00709 , obo:MOD_01855 .

obo:MOD_00167 a rdfs:Class ;
  rdfs:label "N-asparaginyl-glycosylphosphatidylinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N-asparaginyl-glycosylphosphatidylinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00818 , obo:MOD_00903 .

obo:MOD_01533 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-113 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ8plex-113 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01528 , obo:MOD_01714 , obo:MOD_02003 .

obo:MOD_00584 a rdfs:Class ;
  rdfs:label "4-sulfophenyl isothiocyanate derivatized residue" ;
  rdfs:comment "A protein modification produced by formation of an adduct with 4-sulfophenyl isothiocyanate." ;
  rdfs:subClassOf obo:MOD_00841 .

obo:MOD_01963 a rdfs:Class ;
  rdfs:label "O-(2,4-diacetamido-2,4,6-trideoxy-D-glucosyl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(2,4-diacetamido-2,4,6-trideoxy-D-glucosyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00002 .

obo:MOD_00973 a rdfs:Class ;
  rdfs:label "Oxidation of proline (to glutamic acid)" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01931 a rdfs:Class ;
  rdfs:label "N6-phospho-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-phospho-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01456 .

obo:MOD_01264 a rdfs:Class ;
  rdfs:label "nucleophilic addtion to cytopiloyne - site C" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_00869 a rdfs:Class ;
  rdfs:label "L-alanine residue (Asp)" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-alanine." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_02088 .

obo:MOD_01136 a rdfs:Class ;
  rdfs:label "dioctyl phthalate" ;
  rdfs:comment "OBSOLETE because this is a small molecule contaminant and not a modification to a polypeptide. modification from DeltaMass" .

obo:MOD_01804 a rdfs:Class ;
  rdfs:label "glycosylphosphorylated residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a glycosylphosphate through a phosphodiester bond." ;
  rdfs:subClassOf obo:MOD_00764 , obo:MOD_00861 .

obo:MOD_01145 a rdfs:Class ;
  rdfs:label "N-tau-(ADP-ribosyl)diphthamide" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to N-tau-(ADP-ribosyl)diphthamide." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_02087 .

obo:MOD_00174 a rdfs:Class ;
  rdfs:label "N-glycyl-glycosylsphingolipidinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-glycyl-glycosylsphingolipidinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00466 , obo:MOD_00908 .

obo:MOD_01287 a rdfs:Class ;
  rdfs:label "Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, heavy form - site K" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00789 , obo:MOD_00912 .

obo:MOD_01394 a rdfs:Class ;
  rdfs:label "L-cysteine 5-amino-3,4,5,6-tetrahydropyridine-2,5-dicarboxylic acid" ;
  rdfs:comment "A protein modification that crosslinks two serine residues and a cysteine residue by formation of a 5-amino-3,4,5,6-tetrahydropyridine-2,5-dicarboxylic acid." ;
  rdfs:subClassOf obo:MOD_01425 , obo:MOD_02044 , obo:MOD_02055 .

obo:MOD_01025 a rdfs:Class ;
  rdfs:label "3'-bromo-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 3'-bromo-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01000 .

obo:MOD_02055 a rdfs:Class ;
  rdfs:label "crosslinked L-serine residue" ;
  rdfs:comment "A protein modification that contains an L-serine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_00461 a rdfs:Class ;
  rdfs:label "nitrated residue" ;
  rdfs:comment "A protein modification that effectively substitutes a nitrite (NO2) group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01558 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-117 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ8plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01556 , obo:MOD_01710 , obo:MOD_01875 .

obo:MOD_00316 a rdfs:Class ;
  rdfs:label "N4,N4-dimethyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4,N4-dimethyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00429 , obo:MOD_00602 , obo:MOD_00673 .

obo:MOD_01957 a rdfs:Class ;
  rdfs:label "2-hydroxyproline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to 2-hydroxyproline." ;
  rdfs:subClassOf obo:MOD_01024 .

obo:MOD_00375 a rdfs:Class ;
  rdfs:label "4,5-dihydroxy-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 4,5-dihydroxy-L-lysine." ;
  rdfs:subClassOf obo:MOD_00428 , obo:MOD_00681 .

obo:MOD_02008 a rdfs:Class ;
  rdfs:label "N-palmitoleylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a palmitoleylamino group." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_01423 .

obo:MOD_00486 a rdfs:Class ;
  rdfs:label "oxidized proline biotinylated with biotin-LC-hydrazide, reduced" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00915 .

obo:MOD_00326 a rdfs:Class ;
  rdfs:label "L-pyrrolysine (Lys)" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to L-pyrrolysine (not known as a natural, post-translational modification process)." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_00771 a rdfs:Class ;
  rdfs:label "residues isobaric at 166.98-167.00 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 166.98-167.00 Da." .

obo:MOD_00808 a rdfs:Class ;
  rdfs:label "O-galactosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-galactosylserine." ;
  rdfs:subClassOf obo:MOD_00002 , obo:MOD_00476 .

obo:MOD_01320 a rdfs:Class ;
  rdfs:label "Michael addition of BHT quinone methide to lysine" ;
  rdfs:comment "modification from Unimod Other" ;
  rdfs:subClassOf obo:MOD_00534 , obo:MOD_00912 .

obo:MOD_00850 a rdfs:Class ;
  rdfs:label "unnatural residue" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with an unnatural residue that is not considered to be derived from a natural residue by some chemical process." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00185 a rdfs:Class ;
  rdfs:label "L-4'-bromophenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to L-4'-bromophenylalanine." ;
  rdfs:subClassOf obo:MOD_00972 .

obo:MOD_00191 a rdfs:Class ;
  rdfs:label "(Z)-2,3-didehydrotyrosine" ;
  rdfs:comment "A protein modification that effectively converts L-tyrosine to (Z)-2,3-didehydrotyrosine." ;
  rdfs:subClassOf obo:MOD_00706 .

obo:MOD_01540 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-114 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ8plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01535 , obo:MOD_01714 , obo:MOD_02003 .

obo:MOD_01528 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-113 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ8plex-113 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01526 .

obo:MOD_00729 a rdfs:Class ;
  rdfs:label "pentosylated residue" ;
  rdfs:comment "a protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a pentose sugar group through a glycosidic bond" ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_00407 a rdfs:Class ;
  rdfs:label "residue methyl ester" ;
  rdfs:comment "A protein modification that effectively replaces a carboxyl group with a carboxy methyl ester group. OBSOLETE because Unimod:14 merged with entry 34, remap to MOD:00599." .

obo:MOD_01946 a rdfs:Class ;
  rdfs:label "2-(2-aminosuccinimidyl)pentanedioic acid" ;
  rdfs:comment "A protein modification that forms (2-aminosuccinimidyl)pentanedioicacid by crosslinking either an aspartic acid residue or an asparagine residue with the following glutamic acidn residue." ;
  rdfs:subClassOf obo:MOD_01944 , obo:MOD_02045 .

obo:MOD_02005 a rdfs:Class ;
  rdfs:label "S-acylated L-cysteine" ;
  rdfs:comment "A protein modification that effectively replaces an sulfanyl hydrogen atom of L-cysteine with an acyl group." ;
  rdfs:subClassOf obo:MOD_00672 , obo:MOD_00905 .

obo:MOD_00681 a rdfs:Class ;
  rdfs:label "hydroxylated lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to a hydroxylated L-lysine." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00912 .

obo:MOD_01432 a rdfs:Class ;
  rdfs:label "(2S,4S)-4,5-dihydroxyleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a (2S,4S)-4,5-dihydroxyleucine." ;
  rdfs:subClassOf obo:MOD_01412 .

obo:MOD_01096 a rdfs:Class ;
  rdfs:label "O-benzyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-benzyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01008 .

obo:MOD_00833 a rdfs:Class ;
  rdfs:label "N4-glucosyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4-glucosyl-asparagine." ;
  rdfs:subClassOf obo:MOD_00433 , obo:MOD_01346 .

obo:MOD_00159 a rdfs:Class ;
  rdfs:label "O-phosphopantetheine-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-phosphopantetheine-L-serine." ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_01827 a rdfs:Class ;
  rdfs:label "cysTMT6plex-130 reporter+balance reagent cysteine disulfide" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfhydryl hydrogen with a Thermo Scientific cysTMT6plex-130 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01821 .

obo:MOD_01696 a rdfs:Class ;
  rdfs:label "alpha-amino acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with an acyl group." ;
  rdfs:subClassOf obo:MOD_00670 .

obo:MOD_00411 a rdfs:Class ;
  rdfs:label "O18 label" ;
  rdfs:comment "modification from Unimod Isotopic label. OBSOLETE because Unimod:18 is now merged with entry 258 remap to MOD:00581 'single 018 label'" .

obo:MOD_00433 a rdfs:Class ;
  rdfs:label "monoglucosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an glucose group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00726 , obo:MOD_00761 .

obo:MOD_00270 a rdfs:Class ;
  rdfs:label "1-thioglycine (internal)" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to an internal 1-thioglycine." ;
  rdfs:subClassOf obo:MOD_01625 .

obo:MOD_01981 a rdfs:Class ;
  rdfs:label "3-methyllanthionine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-threonine residue by a thioether bond to form 3-methyllanthionine with unresolved stereospecificity." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01993 , obo:MOD_02056 .

obo:MOD_00996 a rdfs:Class ;
  rdfs:label "(81)Br labeled 3'-bromotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_01000 .

obo:MOD_01551 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-116 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ8plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01549 , obo:MOD_01710 , obo:MOD_01875 .

obo:MOD_00196 a rdfs:Class ;
  rdfs:label "L-cysteine 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and a glycine residue to form L-cysteine 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01882 , obo:MOD_02044 , obo:MOD_02047 .

obo:MOD_01838 a rdfs:Class ;
  rdfs:label "L-lysinoalanine (Lys)" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to L-lysinoalanine." ;
  rdfs:subClassOf obo:MOD_01853 .

obo:MOD_00905 a rdfs:Class ;
  rdfs:label "modified L-cysteine residue" ;
  rdfs:comment "A protein modification that modifies an L-cysteine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00010 a rdfs:Class ;
  rdfs:label "L-alanine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-alanine." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_01441 .

obo:MOD_01862 a rdfs:Class ;
  rdfs:label "disulfide conjugated residue" ;
  rdfs:comment "A protein modification that effectively replaces the hydrogen atom of a cysteine sulfanyl group with a substituted sulfanyl group, forming a disulfide bond that does not cross-link two encoded peptide chains." ;
  rdfs:subClassOf obo:MOD_01886 .

obo:MOD_01659 a rdfs:Class ;
  rdfs:label "Uniblue A derivatized residue" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 1-amino-4-{[3-(ethenylsulfonyl)phenyl]amino}-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate, Uniblue A." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01335 a rdfs:Class ;
  rdfs:label "6x(13)C labeled 4-sulfophenyl isothiocyanate derivatized lysine" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00880 , obo:MOD_00912 .

obo:MOD_01184 a rdfs:Class ;
  rdfs:label "L-selenocystine (selenium disubstituted L-cystine)" ;
  rdfs:comment "A protein modification that effectively substitutes two selenium atoms for two sulfur atoms in L-cystine to form L-selenocystine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01388 a rdfs:Class ;
  rdfs:label "1-amino-2-propanol" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue into 1-amino-2-propanol." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_00960 .

obo:MOD_00007 a rdfs:Class ;
  rdfs:label "selenium substitution for sulfur" ;
  rdfs:comment "A protein modification that effectively substitutes a selenium atom for a sulfur atom." ;
  rdfs:subClassOf obo:MOD_00745 .

obo:MOD_00144 a rdfs:Class ;
  rdfs:label "heme-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a cysteine residue and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02067 .

obo:MOD_01768 a rdfs:Class ;
  rdfs:label "O-palmitoleylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl group with a palmitoleyloxy group." ;
  rdfs:subClassOf obo:MOD_00671 , obo:MOD_01423 .

obo:MOD_01592 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass differences that are nominally equal at 304.199-304.206 Da" ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins of 304.199-304.206 Da." .

obo:MOD_01421 a rdfs:Class ;
  rdfs:label "oxazole/oxazoline ring crosslinked residues (Ser)" ;
  rdfs:comment "A protein modification that crosslinks two residues by condensation of a serine hydroxyl with the carbonyl of the preceding residue to form an oxazole or oxazoline ring." ;
  rdfs:subClassOf obo:MOD_01419 , obo:MOD_02055 .

obo:MOD_02079 a rdfs:Class ;
  rdfs:label "diacetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom with one acetyl group." ;
  rdfs:subClassOf obo:MOD_02078 .

obo:MOD_00267 a rdfs:Class ;
  rdfs:label "L-cysteine sulfinic acid" ;
  rdfs:comment "A protein modification that effectively dioxygenates an L-cysteine residue to L-cysteine sulfinic acid." ;
  rdfs:subClassOf obo:MOD_00708 , obo:MOD_01855 .

obo:MOD_00728 a rdfs:Class ;
  rdfs:label "galactosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a galactose group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_00058 a rdfs:Class ;
  rdfs:label "N-acetyl-L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine to N-acetyl-L-methionine." ;
  rdfs:subClassOf obo:MOD_00913 , obo:MOD_01458 .

obo:MOD_01608 a rdfs:Class ;
  rdfs:label "N2-(L-isoglutamyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to N2-(L-isoglutamyl)-L-lysine. This is not an isopeptide cross-link." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_00801 a rdfs:Class ;
  rdfs:label "L-cysteinyl-L-histidino-homocitryl octairon nonasulfide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue, an L-histidine residue, homocitric acid and an eight-iron nine-sulfur cluster to L-cysteinyl-L-histidino-homocitryl octairon nonasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02070 .

obo:MOD_00962 a rdfs:Class ;
  rdfs:label "2',3'-dihydrotryptophan" ;
  rdfs:comment "A protein modification that by reducing the indole ring system of tryptophan to indoline effectively converts an L-tryptophan residue to 2',3'-dihydrotryptophan." ;
  rdfs:subClassOf obo:MOD_00918 , obo:MOD_01473 .

obo:MOD_01675 a rdfs:Class ;
  rdfs:label "O-(N-acetylamino)hexosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-(N-acetylaminohexosyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00002 , obo:MOD_01673 .

obo:MOD_01060 a rdfs:Class ;
  rdfs:label "S-carboxamidomethyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-carboxamidomethyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00397 , obo:MOD_00905 .

obo:MOD_01547 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-115 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ8plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01542 , obo:MOD_01714 , obo:MOD_02003 .

obo:MOD_00888 a rdfs:Class ;
  rdfs:label "protonated L-proline (L-prolinium) residue" ;
  rdfs:comment "A protein modification that effectively converts an L-proline to an L-prolinium (protonated L-proline)." ;
  rdfs:subClassOf obo:MOD_00915 , obo:MOD_01700 .

obo:MOD_02053 a rdfs:Class ;
  rdfs:label "crosslinked L-phenylalanine residue" ;
  rdfs:comment "A protein modification that contains an L-phenylalanine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00914 .

obo:MOD_00675 a rdfs:Class ;
  rdfs:label "oxidized residue" ;
  rdfs:comment "A protein modification that effectively either removes neutral hydrogen atoms (proton and electron), or adds oxygen atoms to a residue with or without the removal of hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00967 a rdfs:Class ;
  rdfs:label "syndesine" ;
  rdfs:comment "A protein modification that effectively cross-links two L-lysine residues to form syndesine, hydroxylysinohydroxynorleucine." ;
  rdfs:subClassOf obo:MOD_02051 .

obo:MOD_01488 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-114 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ4plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01485 , obo:MOD_01713 .

obo:MOD_00055 a rdfs:Class ;
  rdfs:label "N-acetylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-acetylglycine." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01458 .

obo:MOD_00088 a rdfs:Class ;
  rdfs:label "O-palmitoyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-palmitoyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00652 , obo:MOD_02004 .

obo:MOD_00219 a rdfs:Class ;
  rdfs:label "L-citrulline" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to L-citrulline." ;
  rdfs:subClassOf obo:MOD_00902 .

obo:MOD_01387 a rdfs:Class ;
  rdfs:label "O-methyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-methyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_01803 .

obo:MOD_01776 a rdfs:Class ;
  rdfs:label "S-methylthiocarbonylaminoethylcysteine (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-methylthiocarbonylaminoethylcysteine." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00558 a rdfs:Class ;
  rdfs:label "acrolein addition +38" ;
  rdfs:comment "OBSOLETE because this modification not supported by any literature that I can find[PMT]" .

obo:MOD_00754 a rdfs:Class ;
  rdfs:label "brominated residue" ;
  rdfs:comment "A protein modification that effectively substitutes a bromine atom for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00694 .

obo:MOD_01500 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-116 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ4plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01499 , obo:MOD_01711 .

obo:MOD_01048 a rdfs:Class ;
  rdfs:label "2-pyrrolidone-5-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to 2-pyrrolidone-5-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00859 .

obo:MOD_01614 a rdfs:Class ;
  rdfs:label "glycyl phospho-5'-adenosine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to glycyl phospho-5'-adenosine." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01165 .

obo:MOD_01209 a rdfs:Class ;
  rdfs:label "copper(1+) L-aspartate" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to the copper(1+) aspartate salt." ;
  rdfs:subClassOf obo:MOD_00742 , obo:MOD_02066 .

obo:MOD_01325 a rdfs:Class ;
  rdfs:label "acetaldehyde +26 - site K" ;
  rdfs:comment "OBSOLETE because this is not supported by the linked literature [PMT]" .

obo:MOD_01727 a rdfs:Class ;
  rdfs:label "TMT6plex-126 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Proteome Sciences TMT6plex-126 reagent acylated residue." ;
  rdfs:subClassOf obo:MOD_01716 .

obo:MOD_01115 a rdfs:Class ;
  rdfs:label "isoprenylated tryptophan" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an L-tryptophan residue with a group derived from an isoprene polymer, such as a geranyl (C10), farnesyl (C15) or geranylgeranyl (C20)." ;
  rdfs:subClassOf obo:MOD_00703 , obo:MOD_00918 .

obo:MOD_00950 a rdfs:Class ;
  rdfs:label "decomposed carboxymethylated methionine" ;
  rdfs:comment "OBSOLETE because this modification has not been seen/reported on since this original publication in 1994 and carboxymethylation of proteins is common enough for this mass shift to have been seen in the intervening 25+ years. modification from DeltaMass" .

obo:MOD_01630 a rdfs:Class ;
  rdfs:label "N6-(L-isoglutamyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks either an  L-glutamine residue or an L-glutamic acid residue with an L-lysine residue by an isopeptide bond to form  N6-(L-isoglutamyl)-L-lysine ." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_00859 , obo:MOD_01875 , obo:MOD_02051 .

obo:MOD_01354 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1NeuAc1 N4-glycosylated asparagine" ;
  rdfs:comment "A protein modification that effectively replaces an N4 hydrogen atom of an asparagine residue with a carbohydrate-like group composed of Hex1HexNAc1NeuAc1 linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00517 .

obo:MOD_01995 a rdfs:Class ;
  rdfs:label "N2-formyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to N2-formyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01106 .

obo:MOD_00871 a rdfs:Class ;
  rdfs:label "(2)H5-phenyl isocyanate derivatized residue" ;
  rdfs:comment "A protein modification produced by formation of an adduct with (2)H5-phenyl isocyanate." ;
  rdfs:subClassOf obo:MOD_01431 .

obo:MOD_00187 a rdfs:Class ;
  rdfs:label "L-thyroxine" ;
  rdfs:comment "A protein modification that effectively substitutes an L-tyrosine residue with L-thyroxine." ;
  rdfs:subClassOf obo:MOD_00998 .

obo:MOD_01444 a rdfs:Class ;
  rdfs:label "L-3,3-dihydroxyoalanine (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-3,3-dihydroxyoalanine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01448 .

obo:MOD_00358 a rdfs:Class ;
  rdfs:label "3'-(8alpha-FMN)-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to 3'-(8alpha-FMN)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_02085 .

obo:MOD_01156 a rdfs:Class ;
  rdfs:label "protein modification categorized by chemical process" ;
  rdfs:comment "Modified amino acid residue derived from a natural amino acid by a real or hypothetical chemical process." ;
  rdfs:subClassOf obo:MOD_00000 .

obo:MOD_00477 a rdfs:Class ;
  rdfs:label "2-pyrrolidone" ;
  rdfs:comment "A protein modification that effectively converts, by oxidative decarboxylation, an L-proline residue to 2-pyrrolidone with breakage of the peptide chain." ;
  rdfs:subClassOf obo:MOD_00683 , obo:MOD_00915 .

obo:MOD_01940 a rdfs:Class ;
  rdfs:label "2-(2-aminosuccinimidyl)pentanedioic acid (Asn)" ;
  rdfs:comment "A protein modification that crosslinks an asparagine and the following glutamic acid residue with the formation of (2-aminosuccinimidyl)pentanedioic acid and the release of ammonia." ;
  rdfs:subClassOf obo:MOD_00946 , obo:MOD_01946 , obo:MOD_02042 .

obo:MOD_01801 a rdfs:Class ;
  rdfs:label "protonated L-serine (L-serinium) residue" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to an L-serinium (protonated L-serine)." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01700 .

obo:MOD_00331 a rdfs:Class ;
  rdfs:label "tetrakis-L-cysteinyl triiron tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues and a three-iron four-sulfur cluster to tetrakis-L-cysteinyl triiron tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 .

obo:MOD_01379 a rdfs:Class ;
  rdfs:label "2'-methylsulfonyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 2'-methylsulfonyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_00166 a rdfs:Class ;
  rdfs:label "O4'-glucosyl-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to O4'-glucosyl-tyrosine." ;
  rdfs:subClassOf obo:MOD_00433 , obo:MOD_01927 .

obo:MOD_01056 a rdfs:Class ;
  rdfs:label "(79)Br labeled 3',5'-dibromotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_01006 .

obo:MOD_00440 a rdfs:Class ;
  rdfs:label "palmitoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a palmitoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_01731 a rdfs:Class ;
  rdfs:label "TMT6plex-127 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Proteome Sciences TMT6plex-127 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01719 , obo:MOD_01728 .

obo:MOD_00666 a rdfs:Class ;
  rdfs:label "octanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an octanoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_01364 a rdfs:Class ;
  rdfs:label "fluorescein-5-thiosemicarbazide - site S" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00626 , obo:MOD_00916 .

obo:MOD_00364 a rdfs:Class ;
  rdfs:label "5-hydroxy-N6,N6,N6-trimethyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 5-hydroxy-N6,N6,N6-trimethyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00602 , obo:MOD_00912 .

obo:MOD_01850 a rdfs:Class ;
  rdfs:label "S-(2-aminovinyl)-D-cysteine" ;
  rdfs:comment "A protein modification that effectively cross-links either two L-cysteine residues, or an L-cysteine residue and an L-serine residue by a thioether bond to form S-(2-aminovinyl)-D-cysteine." ;
  rdfs:subClassOf obo:MOD_01851 .

obo:MOD_00650 a rdfs:Class ;
  rdfs:label "N-myristoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a myristoylamino group." ;
  rdfs:subClassOf obo:MOD_00438 , obo:MOD_00670 .

obo:MOD_02083 a rdfs:Class ;
  rdfs:label "4alpha-FMN modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a riboflavin phosphate (flavin mononucleotide, FMN) group through the 4-alpha position of FMN." ;
  rdfs:subClassOf obo:MOD_00896 .

obo:MOD_01755 a rdfs:Class ;
  rdfs:label "TMT6plex-130 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Proteome Sciences TMT6plex-130 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01719 , obo:MOD_01752 .

obo:MOD_00430 a rdfs:Class ;
  rdfs:label "trimethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces three hydrogen atoms with three methyl groups." ;
  rdfs:subClassOf obo:MOD_00427 .

obo:MOD_01962 a rdfs:Class ;
  rdfs:label "N4-(2,4-diacetamido-2,4,6-trideoxy-D-glucosyl)-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4-(2,4-diacetamido-2,4,6-trideoxy-D-glucosyl)-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00160 .

obo:MOD_02039 a rdfs:Class ;
  rdfs:label "aminated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen group with a amino group" ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00585 a rdfs:Class ;
  rdfs:label "deuterium trisubstituted residue" ;
  rdfs:comment "A protein modification that effectively substitutes three (2)H deuterium atoms for three (1)H protium atoms." ;
  rdfs:subClassOf obo:MOD_00786 .

obo:MOD_01267 a rdfs:Class ;
  rdfs:label "nucleophilic addition to cytopiloyne+H2O - site K" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_00897 a rdfs:Class ;
  rdfs:label "N-acetyl-S-archeol-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-acetyl-S-archeol-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00661 a rdfs:Class ;
  rdfs:label "methylated histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to a methylated histidine, such as pros-methylhistidine, or tele-methylhistidine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00909 .

obo:MOD_01557 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-117 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ8plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01556 , obo:MOD_01712 .

obo:MOD_01980 a rdfs:Class ;
  rdfs:label "omega-N-glycosyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to N4-glycosyl-arginine." ;
  rdfs:subClassOf obo:MOD_00006 , obo:MOD_00902 .

obo:MOD_01976 a rdfs:Class ;
  rdfs:label "O3-(poly-3-hydroxybutyrate)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-(poly-3-hydroxybutyrate)-L-serine." ;
  rdfs:subClassOf obo:MOD_00671 , obo:MOD_00916 .

obo:MOD_01237 a rdfs:Class ;
  rdfs:label "cysteine 4-hydroxynonenal adduct" ;
  rdfs:comment "A protein modification produced by formation of an adduct of an L-cysteine residue with 4-hydroxynonenal." ;
  rdfs:subClassOf obo:MOD_00446 .

obo:MOD_00282 a rdfs:Class ;
  rdfs:label "S-selenyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-selenyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00745 , obo:MOD_00905 .

obo:MOD_00115 a rdfs:Class ;
  rdfs:label "S-palmitoyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-palmitoyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00653 , obo:MOD_01684 .

obo:MOD_00697 a rdfs:Class ;
  rdfs:label "flavin modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a flavin group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01527 a rdfs:Class ;
  rdfs:label "residue reporter fragment" ;
  rdfs:comment "A distinct molecular entity produced from a particular amino acid residue as the result of a fragmentation process." ;
  rdfs:subClassOf obo:MOD_01519 .

obo:MOD_02097 a rdfs:Class ;
  rdfs:label "modified D-asparagine residue" ;
  rdfs:comment "A protein modification that modifies a D-asparagine residue." ;
  rdfs:subClassOf obo:MOD_00203 .

obo:MOD_00290 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-N3'-histidino tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-histidine residue and a four-iron four-sulfur cluster to tris-L-cysteinyl L-N3'-histidino tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02070 .

obo:MOD_01314 a rdfs:Class ;
  rdfs:label "4x(1)H,4x(12)C-labeled N6-succinyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 4x(1)H,4x(12)C-labeled N6-succinyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_01426 .

obo:MOD_00752 a rdfs:Class ;
  rdfs:label "monoadenosine diphosphoribosyl (ADP-ribosyl) modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with one ADP-ribose through formation of a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_02087 .

obo:MOD_01349 a rdfs:Class ;
  rdfs:label "hydrolyzed N-ethylmaleimide cysteine adduct" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00631 , obo:MOD_00905 .

obo:MOD_01878 a rdfs:Class ;
  rdfs:label "L-threonine 5-hydroxyoxazole-4-carbonthionic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue and an L-threonine residue to L-threonine 5-hydroxyoxazole-4-carbothionic acid." ;
  rdfs:subClassOf obo:MOD_01856 , obo:MOD_02044 , obo:MOD_02056 .

obo:MOD_00521 a rdfs:Class ;
  rdfs:label "Hex2HexNAc2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01477 a rdfs:Class ;
  rdfs:label "3'-fluoro-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to an 3'-fluoro-L-fluorophenylalanine." ;
  rdfs:subClassOf obo:MOD_01227 .

obo:MOD_00324 a rdfs:Class ;
  rdfs:label "L-serinyl molybdenum bis(molybdopterin guanine dinucleotide)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to L-serinyl molybdenum bis(molybdopterin guanine dinucleotide)." ;
  rdfs:subClassOf obo:MOD_00744 , obo:MOD_02072 .

obo:MOD_01693 a rdfs:Class ;
  rdfs:label "alpha-amino pyridylacetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha amino or imino hydrogen with a (pyrid-3-yl)acetyl group." ;
  rdfs:subClassOf obo:MOD_00418 , obo:MOD_01696 .

obo:MOD_01309 a rdfs:Class ;
  rdfs:label "thiophosphate labeled with biotin-HPDP - site Y" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00639 , obo:MOD_00919 .

obo:MOD_01141 a rdfs:Class ;
  rdfs:label "omega-N-(2,2,5,7,8-pentamethylchroman-6-sulfonyl)-L-arginine" ;
  rdfs:comment "A protein modification that is produced by reaction with 2,2,5,7,8-pentamethylchroman-6-sulfonyl chloride, Pmc chloride, to form omega-N-(2,2,5,7,8-pentamethylchroman-6-sulfonyl)-L-arginine." ;
  rdfs:subClassOf obo:MOD_00902 , obo:MOD_01120 .

obo:MOD_01861 a rdfs:Class ;
  rdfs:label "isothiazolidinone ring crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by condensation of a cysteine thiol with the amido nitrogen of the following residue to form an isothiazolidinone ring." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01856 a rdfs:Class ;
  rdfs:label "oxazole/oxazoline ring crosslinked residues (Cys)" ;
  rdfs:comment "A protein modification that crosslinks two residues by rearrangement and condensation of a cysteine with the carbonyl of the preceding residue to form a 1,3-oxazole-4-carbothionic acid." ;
  rdfs:subClassOf obo:MOD_01419 .

obo:MOD_00539 a rdfs:Class ;
  rdfs:label "threonine reduced to aminobutynate" ;
  rdfs:comment "OBSOLETE because Unimod 179 merged wth Unimod 447 remap to ??? modification from Unimod O-linked glycosylation" .

obo:MOD_00013 a rdfs:Class ;
  rdfs:label "L-aspartic acid residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-aspartic acid." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_01441 .

obo:MOD_01290 a rdfs:Class ;
  rdfs:label "dihydroxylated residue - site F" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00465. Remap to MOD:00465." .

obo:MOD_00893 a rdfs:Class ;
  rdfs:label "residues isobaric at 128.0-128.1" ;
  rdfs:comment "Natural or modified residues with a mass of 128.0-128.1 Da." .

obo:MOD_00483 a rdfs:Class ;
  rdfs:label "N-ethylmaleimide derivatized cysteine" ;
  rdfs:comment "A protein modification that is produced by reaction with N-ethylmaleimide." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00591 a rdfs:Class ;
  rdfs:label "nucleophilic addition to cytopiloyne+H2O" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative" .

obo:MOD_00075 a rdfs:Class ;
  rdfs:label "N,N-dimethyl-L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to N,N-dimethyl-L-proline." ;
  rdfs:subClassOf obo:MOD_00710 , obo:MOD_01462 .

obo:MOD_00140 a rdfs:Class ;
  rdfs:label "S-phycocyanobilin-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a cysteine residue and the tetrapyrrole compound phycocyanobilin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_00905 .

obo:MOD_00763 a rdfs:Class ;
  rdfs:label "biantennary (-1 galactose) N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation - missing ref" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00029 a rdfs:Class ;
  rdfs:label "L-valine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-valine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_00176 a rdfs:Class ;
  rdfs:label "O-(phosphoribosyl dephospho-coenzyme A)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(phosphoribosyl dephospho-coenzyme A)-L-serine." ;
  rdfs:subClassOf obo:MOD_00860 , obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_01245 a rdfs:Class ;
  rdfs:label "potassium L-aspartate" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to the potassium aspartate salt." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01072 .

obo:MOD_00342 a rdfs:Class ;
  rdfs:label "N-methyl-L-leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to N-methyl-L-leucine." ;
  rdfs:subClassOf obo:MOD_01680 , obo:MOD_01808 .

obo:MOD_00855 a rdfs:Class ;
  rdfs:label "N6,N6,N6-trimethyl-L-lysine (from L-lysinium residue)" ;
  rdfs:comment "A protein modification that effectively converts an L-lysinium (N6-protonated L-lysine) residue to an N6,N6,N6-trimethyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00430 .

obo:MOD_01788 a rdfs:Class ;
  rdfs:label "histidine immonium ion" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal L-histidine residue to histidine immonium ion." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01527 .

obo:MOD_01973 a rdfs:Class ;
  rdfs:label "N6-(3-phosphoglyceryl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-(3-phosphoglyceryl)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_01875 .

obo:MOD_00882 a rdfs:Class ;
  rdfs:label "S-(2-aminoethyl)cysteine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to S-(2-aminoethyl)cysteine." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_00812 a rdfs:Class ;
  rdfs:label "O-fucosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to an O-fucosylserine." ;
  rdfs:subClassOf obo:MOD_00002 , obo:MOD_00614 .

obo:MOD_01661 a rdfs:Class ;
  rdfs:label "pyruvic acid (Tyr)" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to pyruvic acid." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01154 .

obo:MOD_01563 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-118 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ8plex-118 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01526 .

obo:MOD_00424 a rdfs:Class ;
  rdfs:label "S-pyridylethyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-pyridylethyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00655 a rdfs:Class ;
  rdfs:label "S-myristoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfanyl group with an myristoylsulfanyl group." ;
  rdfs:subClassOf obo:MOD_00438 , obo:MOD_00672 .

obo:MOD_02109 a rdfs:Class ;
  rdfs:label "oxindolylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a oxindolylalanine." ;
  rdfs:subClassOf obo:MOD_01622 .

obo:MOD_00285 a rdfs:Class ;
  rdfs:label "dihydroxyheme-L-aspartate ester-L-glutamate ester-L-methionine sulfonium" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between an aspartic acid residue, a glutamic acid residue, a methionine residue (forming a sulfonium ether), and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02066 , obo:MOD_02068 , obo:MOD_02071 .

obo:MOD_00935 a rdfs:Class ;
  rdfs:label "methionine oxidation with neutral loss of 64 Da" ;
  rdfs:comment "Oxidation of methionine to methionine sulfoxide with neutral loss of CH3SOH." ;
  rdfs:subClassOf obo:MOD_00431 , obo:MOD_00913 .

obo:MOD_01965 a rdfs:Class ;
  rdfs:label "2xC(13),3x(2)H labeled N6-acetyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 2xC(13),3x(2)H labeled N6-acetyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01431 .

obo:MOD_00497 a rdfs:Class ;
  rdfs:label "3-sulfanylpropanoyl (N-term and Lys)" ;
  rdfs:comment "modification from Unimod [(35)S]dithiobis(succinimidyl propionate) crosslinking" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00912 .

obo:MOD_01403 a rdfs:Class ;
  rdfs:label "(2S)-4,5,5'-trihydroxyleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a (2S)-4,5,5'-trihydroxyleucine." ;
  rdfs:subClassOf obo:MOD_01413 .

obo:MOD_00819 a rdfs:Class ;
  rdfs:label "L-2-aminobutanoic acid (Glu)" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-2-aminobutanoic acid." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_00343 a rdfs:Class ;
  rdfs:label "N-methyl-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to N-methyl-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00718 , obo:MOD_01680 .

obo:MOD_01484 a rdfs:Class ;
  rdfs:label "N6-(L-isoglutamyl)-L-lysine (Glu)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-glutamic acid residue and an L-lysine residue by an isopeptide bond to form N6-(L-isoglutamyl)-L-lysine and the release of water." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01630 , obo:MOD_02045 .

obo:MOD_00073 a rdfs:Class ;
  rdfs:label "N-methyl-L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to N-methyl-L-methionine." ;
  rdfs:subClassOf obo:MOD_01463 , obo:MOD_01680 .

obo:MOD_02072 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-serine residue" ;
  rdfs:comment "A protein modification that contains an L-serine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_00234 a rdfs:Class ;
  rdfs:label "L-cysteine glutathione disulfide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-glutathionyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01862 .

obo:MOD_00494 a rdfs:Class ;
  rdfs:label "N-iodoacetyl, p-chlorobenzyl-12C6-glucamine" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01426 .

obo:MOD_02012 a rdfs:Class ;
  rdfs:label "oleoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a oleoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_00443 a rdfs:Class ;
  rdfs:label "protonated omega-N,omega-N-dimethlyated L-arginine with secondary neutral loss of N,N-dimethylamine" ;
  rdfs:comment "Covalent modification of a peptide or protein L-arginine residue to protonated omega-N,omega-N-dimethlyated L-arginine with secondary neutral loss of an N,N-dimethylamine molecular fragment." ;
  rdfs:subClassOf obo:MOD_00431 , obo:MOD_00902 .

obo:MOD_00580 a rdfs:Class ;
  rdfs:label "propionaldehyde +42" ;
  rdfs:comment "OBSOLETE because entry removed from Unimod. Remap potentially to MOD:00579 propionaldehyde +40" .

obo:MOD_01104 a rdfs:Class ;
  rdfs:label "4-methoxy-2,3,6-trimethylbenzenesulfonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00192 a rdfs:Class ;
  rdfs:label "L-serine 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and a glycine residue to form L-serine 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01882 , obo:MOD_02047 , obo:MOD_02055 .

obo:MOD_00122 a rdfs:Class ;
  rdfs:label "3'-(S-L-cysteinyl)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-tyrosine residue by a thioether bond to form 2-(S-L-cysteinyl)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00687 , obo:MOD_02058 .

obo:MOD_01824 a rdfs:Class ;
  rdfs:label "cysTMT6plex-127 reporter+balance reagent cysteine disulfide" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfhydryl hydrogen with a Thermo Scientific cysTMT6plex-127 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01821 .

obo:MOD_00003 a rdfs:Class ;
  rdfs:label "Unimod" ;
  rdfs:comment "Entry from Unimod." ;
  rdfs:subClassOf obo:MOD_00032 .

obo:MOD_00371 a rdfs:Class ;
  rdfs:label "bis-L-aspartato tris-L-glutamato L-histidino calcium tetramanganese tetroxide" ;
  rdfs:comment "A protein modification that effectively converts two L-aspartic acid residues, three L-glutamic acid residues, an L-histidine residue, and a one-calcium, four-iron, four-oxygen cluster to bis-L-aspartato tris-L-glutamato L-histidino calcium tetramanganese tetroxide." ;
  rdfs:subClassOf obo:MOD_00740 , obo:MOD_01482 , obo:MOD_02066 , obo:MOD_02068 , obo:MOD_02070 .

obo:MOD_01643 a rdfs:Class ;
  rdfs:label "L-methionine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-methionine." ;
  rdfs:subClassOf obo:MOD_00913 , obo:MOD_01651 .

obo:MOD_02001 a rdfs:Class ;
  rdfs:label "stearoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a stearoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_01226 a rdfs:Class ;
  rdfs:label "monofluorinated L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to an L-fluorotryptophan." ;
  rdfs:subClassOf obo:MOD_00498 , obo:MOD_01068 .

obo:MOD_00051 a rdfs:Class ;
  rdfs:label "N-acetyl-L-aspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to N-acetyl-L-aspartic acid." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01458 .

obo:MOD_01285 a rdfs:Class ;
  rdfs:label "6x(13)C,1x(15)N labeled L-leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to 6x(13)C,1x(15)N isotope labeled L-leucine." ;
  rdfs:subClassOf obo:MOD_00911 , obo:MOD_01370 .

obo:MOD_00336 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-aspartato diiron disulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-aspartic acid residue and a two-iron two-sulfur cluster to tris-L-cysteinyl L-aspartato diiron disulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02066 , obo:MOD_02067 .

obo:MOD_02017 a rdfs:Class ;
  rdfs:label "N-arachidonoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with an arachidonoylamino group." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_02018 .

obo:MOD_01984 a rdfs:Class ;
  rdfs:label "2-(L-cystein-S-yl)-L-alanine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-alanine residue by a thioether bond to form 2-(S-L-cysteinyl)-L-alanine." ;
  rdfs:subClassOf obo:MOD_01992 , obo:MOD_02040 .

obo:MOD_00707 a rdfs:Class ;
  rdfs:label "hydroxylated tyrosine" ;
  rdfs:comment "a protein modification that effectively converts an L-tyrosine residue to a multihydroxylated L-phenylalanine" ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00919 .

obo:MOD_01492 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-115 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ4plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01430 , obo:MOD_01518 .

obo:MOD_01182 a rdfs:Class ;
  rdfs:label "6-(S-L-cysteinyl)-8alpha-(-3'-L-histidino)-FAD" ;
  rdfs:comment "A protein modification that crosslinks a cysteine and a histidine residue by forming the adduct 6-(S-L-cysteinyl)-8alpha-(-3'-L-histidino)-FAD." ;
  rdfs:subClassOf obo:MOD_01621 , obo:MOD_02044 , obo:MOD_02048 .

obo:MOD_01939 a rdfs:Class ;
  rdfs:label "2-(2-aminosuccinimidyl)-3-sulfanylpropanoic acid (Asp)" ;
  rdfs:comment "A protein modification that crosslinks an aspartic acid and the following cysteine residue with the formation of (2-aminosuccinimidyl)-3-sulfanylpropanoic acid and the loss of a water molecule." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01945 , obo:MOD_02043 .

obo:MOD_01130 a rdfs:Class ;
  rdfs:label "SucPhencarb Lysyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00574 a rdfs:Class ;
  rdfs:label "oxidized proline biotinylated with biotin hydrazide" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00915 .

obo:MOD_02006 a rdfs:Class ;
  rdfs:label "S-stearoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfanyl group with a stearoylsulfanyl group." ;
  rdfs:subClassOf obo:MOD_00672 , obo:MOD_02001 .

obo:MOD_00046 a rdfs:Class ;
  rdfs:label "O-phospho-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-phospho-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01455 .

obo:MOD_00201 a rdfs:Class ;
  rdfs:label "D-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to D-phenylalanine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00914 .

obo:MOD_00983 a rdfs:Class ;
  rdfs:label "Asp transamidation with piperidine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01589 a rdfs:Class ;
  rdfs:label "O-(2,4-diacetamido-2,4-dideoxyglucosyl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(2,4-diacetamido-2,4-dideoxyglucosyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00002 .

obo:MOD_01152 a rdfs:Class ;
  rdfs:label "carboxylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a carboxylic acid group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01570 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-119 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ8plex-119 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01526 .

obo:MOD_00780 a rdfs:Class ;
  rdfs:label "N-acetyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N-acetyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00903 , obo:MOD_01458 .

obo:MOD_00393 a rdfs:Class ;
  rdfs:label "O-methylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydroxyl group hydrogen with a methyl group to produce either an ether from an alcohol or an ester from an acid." ;
  rdfs:subClassOf obo:MOD_00427 .

obo:MOD_01440 a rdfs:Class ;
  rdfs:label "glutamyl semialdehyde" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-glutamyl semialdehyde." ;
  rdfs:subClassOf obo:MOD_00859 .

obo:MOD_00354 a rdfs:Class ;
  rdfs:label "O-(riboflavin phosphoryl)-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-(riboflavin phosphoryl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01164 .

obo:MOD_00043 a rdfs:Class ;
  rdfs:label "S-phospho-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-phospho-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00696 , obo:MOD_00905 .

obo:MOD_00589 a rdfs:Class ;
  rdfs:label "9x(13)C,1x(15)N labeled L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to (13)C,(15)N labeled L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_00842 , obo:MOD_00843 , obo:MOD_00914 .

obo:MOD_01256 a rdfs:Class ;
  rdfs:label "3-methyl-S-(2-sulfanylethyl)cysteine (Thr)" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to 3-methyl-S-(2-sulfanylethyl)cysteine." ;
  rdfs:subClassOf obo:MOD_00553 , obo:MOD_00917 .

obo:MOD_00198 a rdfs:Class ;
  rdfs:label "D-alanine (Ala)" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to D-alanine." ;
  rdfs:subClassOf obo:MOD_00862 , obo:MOD_00901 .

obo:MOD_01906 a rdfs:Class ;
  rdfs:label "dehydromethionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to dehydromethionine." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00913 .

obo:MOD_00841 a rdfs:Class ;
  rdfs:label "isothiocyanate reagent derivatized residue" ;
  rdfs:comment "A protein modification produced by formation of an adduct with an isothiocyanate compound." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00104 a rdfs:Class ;
  rdfs:label "L-proline amide" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to L-proline amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00915 .

obo:MOD_01526 a rdfs:Class ;
  rdfs:label "iTRAQ8plex reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with one of the Applied Biosystems iTRAQ8plex reagent reporter+balance groups." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01705 .

obo:MOD_01650 a rdfs:Class ;
  rdfs:label "L-valine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-valine." ;
  rdfs:subClassOf obo:MOD_00920 , obo:MOD_01651 .

obo:MOD_01805 a rdfs:Class ;
  rdfs:label "N-(L-isoaspartyl)-glycine (Asp)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-aspartic acid residue and a glycine residue by an isopeptide bond with formation of N-(L-isoaspartyl)-glycine and the release of water." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01928 , obo:MOD_02043 .

obo:MOD_00536 a rdfs:Class ;
  rdfs:label "L-serine to L-alanine replacement" ;
  rdfs:comment "OBSOLETE because Unimod 179 merged with Unimod 447 remap to ??? a protein modification that replaces an L-serine residue with an L-alanine residue" .

obo:MOD_01296 a rdfs:Class ;
  rdfs:label "monosodium L-glutamate" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to monosodium L-glutamate." ;
  rdfs:subClassOf obo:MOD_00423 , obo:MOD_00906 .

obo:MOD_00212 a rdfs:Class ;
  rdfs:label "S-4-hydroxycinnamyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-4-hydroxycinnamyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01179 a rdfs:Class ;
  rdfs:label "N,N-dimethyl-L-alanine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N,N-dimethyl-L-alanine." ;
  rdfs:subClassOf obo:MOD_01461 , obo:MOD_01686 .

obo:MOD_01350 a rdfs:Class ;
  rdfs:label "hydrolyzed N-ethylmaleimide lysine adduct" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00631 .

obo:MOD_02062 a rdfs:Class ;
  rdfs:label "crosslinked N-formyl-L-methionine residue" ;
  rdfs:comment "A protein modification that contains an N-formyl-L-methionine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_01450 .

obo:MOD_00834 a rdfs:Class ;
  rdfs:label "O-(N-acetylamino)fucosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-(N-acetamino)fucosylserine." ;
  rdfs:subClassOf obo:MOD_00002 .

obo:MOD_00097 a rdfs:Class ;
  rdfs:label "glycine amide" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to glycine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00908 .

obo:MOD_01404 a rdfs:Class ;
  rdfs:label "L-asparagine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-asparagine residue to form L-asparagine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02042 , obo:MOD_02082 .

obo:MOD_01519 a rdfs:Class ;
  rdfs:label "reporter fragment" ;
  rdfs:comment "A distinct molecular entity produced from a protein or a protein modification as the result of a fragmentation process." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00725 a rdfs:Class ;
  rdfs:label "complex glycosylation" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a carbohydrate-like group linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_01087 a rdfs:Class ;
  rdfs:label "2,4,5-trichlorophenyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a 2,4,5-trichlorophenyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00096 a rdfs:Class ;
  rdfs:label "L-glutamic acid 1-amide" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-glutamic acid 1-amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00906 .

obo:MOD_00181 a rdfs:Class ;
  rdfs:label "O4'-sulfo-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to O4'-sulfo-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00695 , obo:MOD_00919 .

obo:MOD_00568 a rdfs:Class ;
  rdfs:label "histidine oxidation to aspartic acid" ;
  rdfs:comment "OBSOLETE because Unimod entry 245 is redundant with Unimod 349. Remap to MOD:00776" .

obo:MOD_00490 a rdfs:Class ;
  rdfs:label "EDT-iodo-PEO-biotin" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_02106 a rdfs:Class ;
  rdfs:label "4-hydroxy-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a 4-hydroxy-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01622 .

obo:MOD_00603 a rdfs:Class ;
  rdfs:label "N-ethylation" ;
  rdfs:comment "OBSOLETE because Unimod entry 283 is redundant with Unimod 280. Remap to MOD:00600" .

obo:MOD_00860 a rdfs:Class ;
  rdfs:label "sulfur containing modified residue" ;
  rdfs:comment "A protein modification that produces an amino acid residue containing an exogenous sulfur atom." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01777 a rdfs:Class ;
  rdfs:label "S-(glycyl)-L-cysteine (Gly)" ;
  rdfs:comment "A protein modification that effectively converts a C-terminal glycine residue to S-(glycyl)-L-cysteine by forming a thioester bond with a free L-cysteine." ;
  rdfs:subClassOf obo:MOD_00908 .

obo:MOD_00368 a rdfs:Class ;
  rdfs:label "N-carboxy-L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to N-carboxy-L-methionine." ;
  rdfs:subClassOf obo:MOD_00913 , obo:MOD_01152 .

obo:MOD_00062 a rdfs:Class ;
  rdfs:label "N-acetyl-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to N-acetyl-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01458 .

obo:MOD_01310 a rdfs:Class ;
  rdfs:label "quaternary amine labeling reagent light form N6-L-lysine" ;
  rdfs:comment "A protein modification that effectively replaces a lysine N6-hydrogen with a quaternary amine reagent light form group." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01426 .

obo:MOD_00994 a rdfs:Class ;
  rdfs:label "(79)Br labeled 3'-bromotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_01000 .

obo:MOD_01067 a rdfs:Class ;
  rdfs:label "linker attached to peptide in Fmoc peptide synthesis" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01712 a rdfs:Class ;
  rdfs:label "iTRAQ8plex reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with one of the Applied Biosystems iTRAQ8plex reagent reporter+balance groups." ;
  rdfs:subClassOf obo:MOD_01708 , obo:MOD_01710 .

obo:MOD_02094 a rdfs:Class ;
  rdfs:label "N6-((3R)-3-hydroxybutanoyl)-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-((3R)-3-hydroxybutanoyl)-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 .

obo:MOD_00677 a rdfs:Class ;
  rdfs:label "hydroxylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an hydroxyl group." ;
  rdfs:subClassOf obo:MOD_00679 .

obo:MOD_01742 a rdfs:Class ;
  rdfs:label "TMT6plex-128 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Proteome Sciences TMT6plex-128 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01736 , obo:MOD_02004 .

obo:MOD_01455 a rdfs:Class ;
  rdfs:label "O-phosphorylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl or carboxyl hydrogen with a phosphono group (H2PO3 or 'phosphate')." ;
  rdfs:subClassOf obo:MOD_00696 .

obo:MOD_00206 a rdfs:Class ;
  rdfs:label "L-isoglutamyl-polyglycine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-isoglutamyl-polyglycine." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_00466 a rdfs:Class ;
  rdfs:label "glycosylsphingolipidinositolated residue" ;
  rdfs:comment "A protein modification that effectively converts a residue to a glycosylsphingolipidinositolethanolamidated." ;
  rdfs:subClassOf obo:MOD_00764 , obo:MOD_01155 .

obo:MOD_01380 a rdfs:Class ;
  rdfs:label "2'-(S-L-cysteinyl)-6'-hydroxy-L-tryptophan sulfoxide" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-tryptophan residue by a thioether bond to form 2'-(S-L-cysteinyl)-6'-hydroxy-L-tryptophan sulfoxide." ;
  rdfs:subClassOf obo:MOD_00687 , obo:MOD_02057 .

obo:MOD_01892 a rdfs:Class ;
  rdfs:label "N6-crotonyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-crotonyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 .

obo:MOD_00126 a rdfs:Class ;
  rdfs:label "N6-biotinyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-biotinyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_01885 .

obo:MOD_00791 a rdfs:Class ;
  rdfs:label "1x(18)O labeled deamidated L-glutamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to L-glutamic acid with one (18)O." ;
  rdfs:subClassOf obo:MOD_00852 .

obo:MOD_01744 a rdfs:Class ;
  rdfs:label "TMT6plex-129 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Proteome Sciences TMT6plex-129 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01715 .

obo:MOD_01030 a rdfs:Class ;
  rdfs:label "hydroxybenzotriazole ester" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00459 a rdfs:Class ;
  rdfs:label "4x(13)C labeled alpha-amino succinylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a 4x(13)C labeled succinyl group." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01428 , obo:MOD_01696 .

obo:MOD_02113 a rdfs:Class ;
  rdfs:label "5,6-Dihydroxytryptophan" ;
  rdfs:comment "A protein modification that converts an L-tryptophan residue to 5,6-Dihydroxytryptophan." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_01887 a rdfs:Class ;
  rdfs:label "Uniblue A derivatized lysine" ;
  rdfs:comment "A protein modification that is produced by reaction with 1-amino-4-{[3-(ethenylsulfonyl)phenyl]amino}-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate, Uniblue A, to form Uniblue A lysine adduct." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01659 .

obo:MOD_01294 a rdfs:Class ;
  rdfs:label "deamidation in presence of O18 -site Q" ;
  rdfs:comment "OBSOLETE identical and redundant with MOD:00791. Remap to MOD:00791." .

obo:MOD_01107 a rdfs:Class ;
  rdfs:label "O5-benzyl-L-glutamate" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to O5-benzyl-L-glutamate." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01008 .

obo:MOD_00596 a rdfs:Class ;
  rdfs:label "4-(2-aminoethyl)benzenesulfonyl fluoride derivatized residue" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 4-(2-aminoethyl)benzenesulfonyl fluoride, AEBS." ;
  rdfs:subClassOf obo:MOD_01652 .

obo:MOD_00151 a rdfs:Class ;
  rdfs:label "L-cysteinyl molybdopterin" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteinyl molybdopterin." ;
  rdfs:subClassOf obo:MOD_00744 , obo:MOD_00861 , obo:MOD_02067 .

obo:MOD_01567 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-118 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ8plex-118 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01563 , obo:MOD_01710 .

obo:MOD_00800 a rdfs:Class ;
  rdfs:label "L-cysteinyl-L-histidino-homocitryl vanadium heptairon nonasulfide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue, an L-histidine residue, homocitric acid and a one-vanadium seven-iron nine-sulfur cluster to L-cysteinyl-L-histidino-homocitryl vanadium heptairon nonasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_00772 , obo:MOD_02067 , obo:MOD_02070 .

obo:MOD_01867 a rdfs:Class ;
  rdfs:label "mTRAQ light reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems mTRAQ light reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01864 .

obo:MOD_01791 a rdfs:Class ;
  rdfs:label "phosphohistidine immonium ion" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal phosphohistidine residue to phosphohistidine immonium ion." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01527 .

obo:MOD_01895 a rdfs:Class ;
  rdfs:label "alpha-amino 3x(12)C-labeled propanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a 3x(12)C-labeled propanoyl group." ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_01991 a rdfs:Class ;
  rdfs:label "N,N,N-trimethylglycine (from glycinium)" ;
  rdfs:comment "A protein modification that effectively converts a glycinium (protonated glycine) residue to an N,N,N-trimethylglycine." ;
  rdfs:subClassOf obo:MOD_01687 .

obo:MOD_00127 a rdfs:Class ;
  rdfs:label "N6-lipoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-lipoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 .

obo:MOD_01672 a rdfs:Class ;
  rdfs:label "halogenated lysine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-lysine residue with a halogen atom." ;
  rdfs:subClassOf obo:MOD_00694 .

obo:MOD_01241 a rdfs:Class ;
  rdfs:label "3x(2)H labeled L-aspartic acid 4-methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 3x(2)H labeled L-aspartic acid 4-methyl ester." ;
  rdfs:subClassOf obo:MOD_00617 , obo:MOD_00904 .

obo:MOD_01168 a rdfs:Class ;
  rdfs:label "dehydroalanine" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to dehydroalanine." ;
  rdfs:subClassOf obo:MOD_00859 .

obo:MOD_01498 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-115 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ4plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01492 , obo:MOD_01713 , obo:MOD_02004 .

obo:MOD_00064 a rdfs:Class ;
  rdfs:label "N6-acetyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-acetyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00723 , obo:MOD_01875 .

obo:MOD_00700 a rdfs:Class ;
  rdfs:label "tetrapyrrole modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a tetrapyrrole group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00347 a rdfs:Class ;
  rdfs:label "2-(S-L-cysteinyl)-D-allo-threonine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-threonine residue by a thioether bond to form 2-(S-L-cysteinyl)-D-allo-threonine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_01992 , obo:MOD_02056 .

obo:MOD_00672 a rdfs:Class ;
  rdfs:label "S-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfanyl group with an acylsulfanyl group." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_01579 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-121 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ8plex-121 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01577 , obo:MOD_01710 , obo:MOD_01875 .

obo:MOD_01327 a rdfs:Class ;
  rdfs:label "9x(13)C labeled L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to 9x(13)C labeled L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_00540 , obo:MOD_00914 .

obo:MOD_01928 a rdfs:Class ;
  rdfs:label "N-(L-isoaspartyl)-glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks either an L-asparagine residue or an L-aspartic acid residue with a glycine residue by an isopeptide bond with formation of N-(L-isoaspartyl)glycine." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_02047 .

obo:MOD_01916 a rdfs:Class ;
  rdfs:label "O4'-(N-acetylamino)galactosyl-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to O4'-(N-acetylamino)galactosyl-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00563 , obo:MOD_01927 .

obo:MOD_01408 a rdfs:Class ;
  rdfs:label "L-threonine thiazoline-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-threonine residue to form L-threonine thiazoline-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01420 , obo:MOD_02056 .

obo:MOD_00230 a rdfs:Class ;
  rdfs:label "bis-L-cysteinyl bis-L-histidino diiron disulfide" ;
  rdfs:comment "A protein modification that effectively converts two L-cysteine residues, two L-histidine residues and a two-iron two-sulfur cluster to bis-L-cysteinyl bis-L-histidino diiron disulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02070 .

obo:MOD_00080 a rdfs:Class ;
  rdfs:label "N5-methyl-L-glutamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to N5-methyl-L-glutamine." ;
  rdfs:subClassOf obo:MOD_00602 , obo:MOD_00722 .

obo:MOD_01480 a rdfs:Class ;
  rdfs:label "5'-fluoro-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue into an 5'-fluoro-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01226 .

obo:MOD_00848 a rdfs:Class ;
  rdfs:label "reagent derivatized residue" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with a particular compound used as a reagent." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00566 a rdfs:Class ;
  rdfs:label "label cysteine with IGBP reagent" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00018 a rdfs:Class ;
  rdfs:label "L-histidine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-histidine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_01078 a rdfs:Class ;
  rdfs:label "S-(2-aminoethyl)-3-methylcysteine (Thr)" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to S-(2-aminoethyl)-3-methylcysteine." ;
  rdfs:subClassOf obo:MOD_00917 .

obo:MOD_00223 a rdfs:Class ;
  rdfs:label "N6-mureinyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-mureinyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01159 , obo:MOD_01875 .

obo:MOD_01093 a rdfs:Class ;
  rdfs:label "isopropyl lysyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01872 a rdfs:Class ;
  rdfs:label "cyclized N-terminal S-carboxymethyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively cyclizes an S-carboxymethyl-L-cysteine residue to (R)-5-oxo-1,4-tetrahydrothiazine-3-carboxylic acid with the loss of water." ;
  rdfs:subClassOf obo:MOD_00704 .

obo:MOD_01193 a rdfs:Class ;
  rdfs:label "pyridyl thiol modified L-threonine" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00586 , obo:MOD_00917 .

obo:MOD_00169 a rdfs:Class ;
  rdfs:label "N-cysteinyl-glycosylphosphatidylinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-cysteinyl-glycosylphosphatidylinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00818 , obo:MOD_00905 .

obo:MOD_00510 a rdfs:Class ;
  rdfs:label "HexNAc1dHex1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex HexNAc" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01882 a rdfs:Class ;
  rdfs:label "5-imidazolinone ring crosslinked residues (Gly)" ;
  rdfs:comment "A protein modification that effectively crosslinks the carbonyl of an amino acid residue at position n with the alpha amino of a glycine residue at position n+2 to form a 5-imidazolinone ring." ;
  rdfs:subClassOf obo:MOD_00691 .

obo:MOD_01790 a rdfs:Class ;
  rdfs:label "tyrosine immonium ion" ;
  rdfs:comment "A protein modification that effectively converts an an N-terminal L-tyrosine residue to tyrosine immonium ion." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01527 .

obo:MOD_01733 a rdfs:Class ;
  rdfs:label "TMT6plex-127 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Proteome Sciences TMT6plex-127 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01728 , obo:MOD_02003 .

obo:MOD_01368 a rdfs:Class ;
  rdfs:label "fluorescein-5-thiosemicarbazide - site R" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00626 , obo:MOD_00902 .

obo:MOD_00923 a rdfs:Class ;
  rdfs:label "Cy5 CyDye DIGE Fluor saturation dye" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_01252 a rdfs:Class ;
  rdfs:label "5-hydro-5-methylimidazol-4-one, methylglyoxal arginine adduct (+54 amu)" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00933. Remap to MOD:00933." .

obo:MOD_00378 a rdfs:Class ;
  rdfs:label "L-aspartyl semialdehyde" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-aspartyl semialdehyde." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01161 .

obo:MOD_00502 a rdfs:Class ;
  rdfs:label "triiodinated residue" ;
  rdfs:comment "A protein modification that effectively substitutes three hydrogen atoms of a residue with three iodine atoms." ;
  rdfs:subClassOf obo:MOD_00755 .

obo:MOD_00682 a rdfs:Class ;
  rdfs:label "hydroxylated arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to a hydroxylated L-arginine." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00902 .

obo:MOD_00579 a rdfs:Class ;
  rdfs:label "propionaldehyde +40" ;
  rdfs:comment "OBSOLETE because not supported by the linked literature [PMT]. modification from Unimod Other" .

obo:MOD_00147 a rdfs:Class ;
  rdfs:label "hexakis-L-cysteinyl triiron trisulfide" ;
  rdfs:comment "A protein modification that effectively converts six L-cysteine residues and a three-iron three-sulfur cluster to hexakis-L-cysteinyl triiron trisulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 .

obo:MOD_00751 a rdfs:Class ;
  rdfs:label "ribonucleic acid linked residue" ;
  rdfs:comment "a protein modification" ;
  rdfs:subClassOf obo:MOD_00701 .

obo:MOD_00938 a rdfs:Class ;
  rdfs:label "Levuglandinyl - lactam adduct, K and N-term" ;
  rdfs:comment "modification from Unimod Post-translational" ;
  rdfs:subClassOf obo:MOD_00846 .

obo:MOD_00251 a rdfs:Class ;
  rdfs:label "O-(phospho-5'-DNA)-L-serine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and the 5'-end of DNA through a phosphodiester bond to form O-(phospho-5'-DNA)-L-serine." ;
  rdfs:subClassOf obo:MOD_00750 , obo:MOD_00916 .

obo:MOD_00928 a rdfs:Class ;
  rdfs:label "[3-(2,5)-dioxopyrrolidin-1-yloxycarbonyl)-propyl]dimethyloctylammonium" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00170 a rdfs:Class ;
  rdfs:label "N-glycyl-glycosylphosphatidylinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-glycyl-glycosylphosphatidylinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00818 , obo:MOD_00908 .

obo:MOD_01510 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-117 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ4plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01506 , obo:MOD_01709 .

obo:MOD_00350 a rdfs:Class ;
  rdfs:label "L-threonyl-pentaglycyl-murein peptidoglycan" ;
  rdfs:comment "A protein modification that effectively attaches an L-threonine residue to murein peptidoglycan by a pentaglycine linker peptide." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01159 .

obo:MOD_00329 a rdfs:Class ;
  rdfs:label "hydroxyheme-L-glutamate ester" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between a glutamic acid residue and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02068 .

obo:MOD_00990 a rdfs:Class ;
  rdfs:label "(37)Cl labeled 3',5'-dichlorotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00987 .

obo:MOD_01015 a rdfs:Class ;
  rdfs:label "isovaline residue (Iva)" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with an isovaline." ;
  rdfs:subClassOf obo:MOD_00850 .

obo:MOD_01534 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-113 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ8plex-113 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01528 , obo:MOD_01714 , obo:MOD_02004 .

obo:MOD_01582 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-121 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ8plex-121 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01577 , obo:MOD_01714 , obo:MOD_02003 .

obo:MOD_02086 a rdfs:Class ;
  rdfs:label "brominated phenylalanine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-phenylalanine residue with a bromine atom." ;
  rdfs:subClassOf obo:MOD_00754 , obo:MOD_01066 .

obo:MOD_00087 a rdfs:Class ;
  rdfs:label "N6-myristoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-myristoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00650 , obo:MOD_01875 .

obo:MOD_01886 a rdfs:Class ;
  rdfs:label "thiolated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an sulfanyl or substituted sulfanyl group." ;
  rdfs:subClassOf obo:MOD_00860 .

obo:MOD_02065 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-alanine residue" ;
  rdfs:comment "A protein modification that contains an L-alanine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00901 .

obo:MOD_00139 a rdfs:Class ;
  rdfs:label "N2-succinyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to N2-succinyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00918 , obo:MOD_02081 .

obo:MOD_01063 a rdfs:Class ;
  rdfs:label "monomethylated phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to a monomethylated phenylalanine." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00717 .

obo:MOD_01649 a rdfs:Class ;
  rdfs:label "L-tyrosine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01651 .

obo:MOD_01146 a rdfs:Class ;
  rdfs:label "S-(6-FAD)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(6-FAD)-L-cystine." ;
  rdfs:subClassOf obo:MOD_00895 , obo:MOD_00905 .

obo:MOD_01135 a rdfs:Class ;
  rdfs:label "Hex-HexNAc" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01508 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-117, mTRAQ heavy, reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ4plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01506 , obo:MOD_01709 , obo:MOD_01875 .

obo:MOD_00369 a rdfs:Class ;
  rdfs:label "O-acetyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-acetyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00644 , obo:MOD_00647 , obo:MOD_02003 .

obo:MOD_00448 a rdfs:Class ;
  rdfs:label "mono-N-acetylaminoglucosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an N-acetylaminoglucose group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00733 , obo:MOD_01673 .

obo:MOD_00827 a rdfs:Class ;
  rdfs:label "S-(L-tyrosyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-tyrosine residue and an L-cysteine residue by a thioester bond to form S-(L-tyrosyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02058 .

obo:MOD_00942 a rdfs:Class ;
  rdfs:label "(4,4,5,5-(2)H4)-L-lysine" ;
  rdfs:comment "A protein modification that effectively substitutes four (1)H protium atoms with four (2)H deuterium atoms to produce (4,4,5,5-(2)H4)-L-lysine." ;
  rdfs:subClassOf obo:MOD_00837 , obo:MOD_00912 .

obo:MOD_01773 a rdfs:Class ;
  rdfs:label "N6,N6,N6-trimethyl-L-lysine with neutral loss of trimethylamine" ;
  rdfs:comment "Covalent modification of a trimethyllysine residue with secondary loss of a neutral trimethylamine molecular fragment." ;
  rdfs:subClassOf obo:MOD_00431 , obo:MOD_00912 .

obo:MOD_01936 a rdfs:Class ;
  rdfs:label "N6-oleoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-oleoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02011 .

obo:MOD_01214 a rdfs:Class ;
  rdfs:label "iodoacetamide - site C" ;
  rdfs:comment "modification from Unimod Chemical derivative - OBSOLETE because redundant, the difference component of MOD:01060. Remap to MOD:01060." .

obo:MOD_00799 a rdfs:Class ;
  rdfs:label "S-galactosyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-galactosyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00426 , obo:MOD_00476 , obo:MOD_00905 .

obo:MOD_00438 a rdfs:Class ;
  rdfs:label "myristoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a myristoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_01917 a rdfs:Class ;
  rdfs:label "N6-(L-isoaspartyl)-L-lysine (Asp)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-aspartic acid residue and an L-lysine residue by an isopeptide bond with the formation of N6-(L-isoaspartyl)-L-lysine and the release of water." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01929 , obo:MOD_02043 .

obo:MOD_01495 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-115 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ4plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01492 , obo:MOD_01713 .

obo:MOD_00092 a rdfs:Class ;
  rdfs:label "L-asparagine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to L-asparagine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00903 .

obo:MOD_02066 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-aspartic acid residue" ;
  rdfs:comment "A protein modification that contains an L-aspartic acid residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00904 .

obo:MOD_00542 a rdfs:Class ;
  rdfs:label "hydroxyphenylglyoxal arginine" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00902 .

obo:MOD_01391 a rdfs:Class ;
  rdfs:label "L-valine 5-(methoxymethyl)thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-valine residue, and C-5 methoxymethylates to form L-valine 5-(methoxymethyl)thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02059 .

obo:MOD_00245 a rdfs:Class ;
  rdfs:label "glycine oxazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks a glycine residue and an L-serine residue to form glycine oxazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01421 , obo:MOD_02047 , obo:MOD_02082 .

obo:MOD_00154 a rdfs:Class ;
  rdfs:label "O4'-(8alpha-FAD)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to O4'-(8alpha-FAD)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00895 , obo:MOD_00919 .

obo:MOD_01189 a rdfs:Class ;
  rdfs:label "N-ethyl iodoacetamide-d5 - site C" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00562 .

obo:MOD_00838 a rdfs:Class ;
  rdfs:label "3x(2)H labeled L-leucine" ;
  rdfs:comment "A protein modification that effectively substitutes three (1)H protium atoms with three (2)H deuterium atoms to produce 3x(2)H labeled L-leucine." ;
  rdfs:subClassOf obo:MOD_00585 , obo:MOD_00911 .

obo:MOD_00476 a rdfs:Class ;
  rdfs:label "monogalactosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an galactose group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00728 , obo:MOD_00761 .

obo:MOD_00669 a rdfs:Class ;
  rdfs:label "O-octanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl group with a octanoyloxy group." ;
  rdfs:subClassOf obo:MOD_00666 , obo:MOD_00671 .

obo:MOD_00042 a rdfs:Class ;
  rdfs:label "L-aspartic 4-phosphoric anhydride" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-aspartic 4-phosphoric anhydride." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01455 .

obo:MOD_00271 a rdfs:Class ;
  rdfs:label "heme P460-bis-L-cysteine-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between two cysteine residues, the C-3' of a tyrosine residue, and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02067 , obo:MOD_02075 .

obo:MOD_01683 a rdfs:Class ;
  rdfs:label "monomethylated L-lysine" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom of an L-lysine residue with one methyl group." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00663 .

obo:MOD_01203 a rdfs:Class ;
  rdfs:label "N6-(pyridylacetyl)lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-[(pyrid-3-yl)acetyl]lysine." ;
  rdfs:subClassOf obo:MOD_00418 , obo:MOD_01875 .

obo:MOD_00769 a rdfs:Class ;
  rdfs:label "residues isobaric at 71.0-71.1 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 71.0-71.1 Da." .

obo:MOD_01417 a rdfs:Class ;
  rdfs:label "monomethylated proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to a monomethylated proline." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00712 .

obo:MOD_00957 a rdfs:Class ;
  rdfs:label "modified residue with neutral loss of carbon dioxide" ;
  rdfs:comment "Covalent modification of, or a change resulting in an alteration of the measured molecular mass of, a peptide or protein amino acid residue with a secondary loss of a neutral carbon dioxide molecular fragment." ;
  rdfs:subClassOf obo:MOD_00431 .

obo:MOD_01987 a rdfs:Class ;
  rdfs:label "2-(L-cystein-S-yl)-D-serine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-serine residue by a thioether bond to form 2-(S-L-cysteinyl)-D-serine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_01992 , obo:MOD_02064 .

obo:MOD_00100 a rdfs:Class ;
  rdfs:label "L-leucine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to L-leucine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00911 .

obo:MOD_01213 a rdfs:Class ;
  rdfs:label "iodoacetamide derivatized histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to an iodoacetamide derivatized histidine, either 1'- or 3'-(carboxamidolmethyl)histidine." ;
  rdfs:subClassOf obo:MOD_00397 , obo:MOD_00909 .

obo:MOD_00588 a rdfs:Class ;
  rdfs:label "5x(13)C,1x(15)N labeled L-valine" ;
  rdfs:comment "A protein modification that effectively converts an L-valine residue to 5x(13)C,1x(15)N labeled L-valine." ;
  rdfs:subClassOf obo:MOD_00920 , obo:MOD_01809 .

obo:MOD_00262 a rdfs:Class ;
  rdfs:label "N-(L-glutamyl)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively forms a peptide bond between a C-terminal L-glutamic acid residue and a free L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_02045 .

obo:MOD_00658 a rdfs:Class ;
  rdfs:label "methylated arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to a methylated arginine, either 5-methylargine, N5-methylarginine, or an omega-N-methylated L-arginine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00902 .

obo:MOD_00647 a rdfs:Class ;
  rdfs:label "monoacetylated L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to either N-acetyl-L-serine, O-acetyl-L-serine, or N,O-diacetyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00394 , obo:MOD_00916 .

obo:MOD_01648 a rdfs:Class ;
  rdfs:label "L-tryptophan removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00918 , obo:MOD_01651 .

obo:MOD_01220 a rdfs:Class ;
  rdfs:label "Sulfanilic Acid (SA), heavy C13 - site E" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00606 .

obo:MOD_01839 a rdfs:Class ;
  rdfs:label "L-lanthionine" ;
  rdfs:comment "A protein modification that effectively cross-links either two L-cysteine residues, or an L-cysteine residue and an L-serine residue by a thioether bond to form L-lanthionine." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_00954 , obo:MOD_01841 .

obo:MOD_01122 a rdfs:Class ;
  rdfs:label "5'phos dCytidinyl" ;
  rdfs:comment "OBSOLETE because this is a modification that occurs to DNA/RNA and not proteins. modification from DeltaMass" .

obo:MOD_00129 a rdfs:Class ;
  rdfs:label "N6-retinylidene-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-retinylidene-L-lysine, the adduct of retinal." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_00105 a rdfs:Class ;
  rdfs:label "L-serine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to L-serine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00916 .

obo:MOD_00389 a rdfs:Class ;
  rdfs:label "N-formyl-L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to N-formyl-L-proline." ;
  rdfs:subClassOf obo:MOD_00409 , obo:MOD_00915 , obo:MOD_01696 .

obo:MOD_01660 a rdfs:Class ;
  rdfs:label "Uniblue A derivatized cysteine" ;
  rdfs:comment "A protein modification that is produced by reaction with 1-amino-4-{[3-(ethenylsulfonyl)phenyl]amino}-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate, Uniblue A, to form Uniblue A cysteine adduct." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01659 .

obo:MOD_01545 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-115 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ8plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01542 , obo:MOD_01714 .

obo:MOD_00293 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-serinyl tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-serine residue and a four-iron four-sulfur cluster to tris-L-cysteinyl L-serinyl tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02072 .

obo:MOD_00217 a rdfs:Class ;
  rdfs:label "O4-arabinosyl-L-hydroxyproline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to O4-arabinosyl-L-hydroxyproline." ;
  rdfs:subClassOf obo:MOD_00396 , obo:MOD_00915 .

obo:MOD_00607 a rdfs:Class ;
  rdfs:label "dioxoindolealanine lactone" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_00721 a rdfs:Class ;
  rdfs:label "L-methionine (S)-sulfoxide" ;
  rdfs:comment "A protein modification that effectively oxygenates an L-methionine residue to L-methionine sulfoxide S-diastereomer." ;
  rdfs:subClassOf obo:MOD_00719 .

obo:MOD_01767 a rdfs:Class ;
  rdfs:label "TMT6plex-131 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Proteome Sciences TMT6plex-131 reagent acylated residue." ;
  rdfs:subClassOf obo:MOD_01716 .

obo:MOD_02028 a rdfs:Class ;
  rdfs:label "iTRAQ4plex reporter+balance reagent acylated residue, average mass modification" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with one of the Applied Biosystems iTRAQ4plex reagent reporter+balance groups." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01705 , obo:MOD_01709 .

obo:MOD_02078 a rdfs:Class ;
  rdfs:label "acetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces one or more hydrogen atoms with one or more acetyl groups." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_01716 a rdfs:Class ;
  rdfs:label "TMT6plex reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Proteome Sciences TMT6plex-126 reagent acylated residue." ;
  rdfs:subClassOf obo:MOD_01520 .

obo:MOD_01316 a rdfs:Class ;
  rdfs:label "4x(13)C labeled N6-succinyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 4x(13)C labeled N6-succinyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_01428 .

obo:MOD_01622 a rdfs:Class ;
  rdfs:label "monohydroxylated tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to one of several monohydroxylated tryptophan residues, including 3-hydroxy-L-tryptophan and 7'-hydroxy-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00918 .

obo:MOD_00804 a rdfs:Class ;
  rdfs:label "O-glucosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O3-beta-glucosylated L-serine." ;
  rdfs:subClassOf obo:MOD_00002 , obo:MOD_00433 .

obo:MOD_00636 a rdfs:Class ;
  rdfs:label "S-ethylcysteine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to S-ethylcysteine." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_01174 a rdfs:Class ;
  rdfs:label "S-(15-deoxy-Delta12,14-prostaglandin J2-9-yl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(15-deoxy-Delta12,14-prostaglandin J2-9-yl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01155 .

obo:MOD_01231 a rdfs:Class ;
  rdfs:label "3x(13)C labeled N6-propanoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 3x(13)C labeled N6-propanoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01428 .

obo:MOD_01748 a rdfs:Class ;
  rdfs:label "TMT6plex-129 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Proteome Sciences TMT6plex-129 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01717 , obo:MOD_01744 .

obo:MOD_01795 a rdfs:Class ;
  rdfs:label "1x(13)C,3x(2)H C(6)-labeled L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue containing common isotopes to 1x(13)C,3x(2)H C(6)-labeled L-methionine." ;
  rdfs:subClassOf obo:MOD_00839 , obo:MOD_00842 , obo:MOD_00913 .

obo:MOD_01633 a rdfs:Class ;
  rdfs:label "L-asparagine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-asparagine." ;
  rdfs:subClassOf obo:MOD_00903 , obo:MOD_01651 .

obo:MOD_01202 a rdfs:Class ;
  rdfs:label "N-heptosyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N-heptosyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00925 .

obo:MOD_01133 a rdfs:Class ;
  rdfs:label "S-12-hydroxyfarnesyl-L-cysteine methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-12-hydroxyfarnesyl-L-cysteine methyl ester." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00563 a rdfs:Class ;
  rdfs:label "mono-N-acetylaminogalactosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an N-acetylaminogalactose group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00734 , obo:MOD_01673 .

obo:MOD_00961 a rdfs:Class ;
  rdfs:label "reduction of disulfide crosslink in cystine to two cysteines" ;
  rdfs:comment "A protein modification that effectively reduces the disulfide bond of cystine to form two cysteine residues." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01473 .

obo:MOD_00068 a rdfs:Class ;
  rdfs:label "N-myristoylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-myristoylglycine." ;
  rdfs:subClassOf obo:MOD_00650 , obo:MOD_00908 , obo:MOD_01696 .

obo:MOD_01124 a rdfs:Class ;
  rdfs:label "aldohexosyl lysyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01004 a rdfs:Class ;
  rdfs:label "diaminopropionyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01604 a rdfs:Class ;
  rdfs:label "4x(15)N labeled L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to 4x(15)N labeled L-arginine." ;
  rdfs:subClassOf obo:MOD_00843 , obo:MOD_00902 .

obo:MOD_01332 a rdfs:Class ;
  rdfs:label "6x(13)C labeled L-leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to 6x(13)C labeled L-leucine." ;
  rdfs:subClassOf obo:MOD_00544 .

obo:MOD_01669 a rdfs:Class ;
  rdfs:label "trimethyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to N(omega),N(omega),N'(omega)-trimethyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00430 , obo:MOD_00602 , obo:MOD_00658 .

obo:MOD_01439 a rdfs:Class ;
  rdfs:label "S-[2-(pyridin-4-yl)ethyl]-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-[2-(pyridin-4-yl)ethyl]-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00424 .

obo:MOD_01924 a rdfs:Class ;
  rdfs:label "S-octanoyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-octanoyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00666 , obo:MOD_00672 , obo:MOD_00905 .

obo:MOD_00509 a rdfs:Class ;
  rdfs:label "amidination of lysines or N-terminal amines with methyl acetimidate" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_02075 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-tyrosine residue" ;
  rdfs:comment "A protein modification that contains an L-tyrosine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00919 .

obo:MOD_00239 a rdfs:Class ;
  rdfs:label "S-methyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-methyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00654 , obo:MOD_01682 .

obo:MOD_01411 a rdfs:Class ;
  rdfs:label "monohydroxylated leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a monohydroxylated leucine." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_01410 .

obo:MOD_01772 a rdfs:Class ;
  rdfs:label "palmityl reporter fragment" ;
  rdfs:comment "The palmityl cation protein modification reporter fragment produced by fragmentation of some palmitoyl modified residues." ;
  rdfs:subClassOf obo:MOD_01520 .

obo:MOD_00676 a rdfs:Class ;
  rdfs:label "oxygenated residue" ;
  rdfs:comment "A protein modification that effectively adds oxygen atoms to a residue with or without the removal of hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_00675 .

obo:MOD_00035 a rdfs:Class ;
  rdfs:label "(2S,3R)-3-hydroxyasparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to (2S,3R)-3-hydroxyasparagine." ;
  rdfs:subClassOf obo:MOD_01688 .

obo:MOD_00949 a rdfs:Class ;
  rdfs:label "desmosine" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:01933. Remap to MOD:01933." .

obo:MOD_01163 a rdfs:Class ;
  rdfs:label "guanylated residue" ;
  rdfs:comment "A protein modification that effectively crosslinks an amino acid residue and 5'-phosphoguanosine through either a phosphodiester or a phosphoramide bond." ;
  rdfs:subClassOf obo:MOD_00701 .

obo:MOD_01912 a rdfs:Class ;
  rdfs:label "monobrominated residue" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of a residue with one bromine atom." ;
  rdfs:subClassOf obo:MOD_00754 .

obo:MOD_01905 a rdfs:Class ;
  rdfs:label "5-hydroxy-3-methyl-L-proline" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to 5-hydroxy-3-methyl-L-proline." ;
  rdfs:subClassOf obo:MOD_00859 .

obo:MOD_00693 a rdfs:Class ;
  rdfs:label "glycosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an carbohydrate-like group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00764 .

obo:MOD_00054 a rdfs:Class ;
  rdfs:label "N-acetyl-L-glutamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to N-acetyl-L-glutamine." ;
  rdfs:subClassOf obo:MOD_00907 , obo:MOD_01458 .

obo:MOD_01269 a rdfs:Class ;
  rdfs:label "nucleophilic addition to cytopiloyne+H2O - site R" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_00784 a rdfs:Class ;
  rdfs:label "N-acetyl-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to N-acetyl-L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_00914 , obo:MOD_01458 .

obo:MOD_00462 a rdfs:Class ;
  rdfs:label "L-kynurenine" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to L-kynurenine." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_01258 a rdfs:Class ;
  rdfs:label "N-methylmaleimide modified L-cysteine" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00625 , obo:MOD_00905 .

obo:MOD_02101 a rdfs:Class ;
  rdfs:label "2-Amino-4,5-dioxopentanoic acid" ;
  rdfs:comment "A protein modification that effectively transforms a histidine side chain to that of 2-Amino-4,5-dioxopentanoic acid" ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_02099 .

obo:MOD_00557 a rdfs:Class ;
  rdfs:label "acrolein addition +56" ;
  rdfs:comment "OBSOLETE because this modification not supported by the papers listed or any other that I can find[PMT]" .

obo:MOD_00704 a rdfs:Class ;
  rdfs:label "dehydrated residue" ;
  rdfs:comment "A protein modification that effectively forms a double bond by removing a molecule of water from a residue." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01084 a rdfs:Class ;
  rdfs:label "iodoacetic acid derivatized amino-terminal residue" ;
  rdfs:comment "A protein modification that by reaction of iodoacetic acid effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a carboxymethyl group." ;
  rdfs:subClassOf obo:MOD_00399 .

obo:MOD_01896 a rdfs:Class ;
  rdfs:label "trifluoroacetic acid adduct" ;
  rdfs:comment "A protein modification produced by trifluoroacetic acid forming an adduct, either a salt or a hydrogen bonded carboxylic acid dimer, with an amino acid residue." ;
  rdfs:subClassOf obo:MOD_00498 , obo:MOD_00848 .

obo:MOD_01753 a rdfs:Class ;
  rdfs:label "TMT6plex-130 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Proteome Sciences TMT6plex-130 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01718 , obo:MOD_01752 .

obo:MOD_01157 a rdfs:Class ;
  rdfs:label "protein modification categorized by amino acid modified" ;
  rdfs:comment "A protein modification considered either as modified amino acid residues derived from natural amino acids, as a replacement by another natural amino acid, or as a replacement by an unnatural amino acid." ;
  rdfs:subClassOf obo:MOD_00000 .

obo:MOD_00396 a rdfs:Class ;
  rdfs:label "O-glycosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydrogen atom on an oxygen with a carbohydrate-like group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_01397 a rdfs:Class ;
  rdfs:label "L-serine 5-methyloxazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and an L-threonine residue to form L-serine 5-methyloxazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01422 , obo:MOD_02055 , obo:MOD_02082 .

obo:MOD_00773 a rdfs:Class ;
  rdfs:label "residues isobaric at 181.00-181.02 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 181.00-181.02 Da." .

obo:MOD_00852 a rdfs:Class ;
  rdfs:label "1x(18)O labeled deamidated residue" ;
  rdfs:comment "A protein modification that effectively replaces a carboxamido group with a carboxyl group labeled with one (18)O." ;
  rdfs:subClassOf obo:MOD_00851 .

obo:MOD_01097 a rdfs:Class ;
  rdfs:label "S-benzyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-benzyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01008 .

obo:MOD_01274 a rdfs:Class ;
  rdfs:label "N'-[4-(2-aminoethyl)benzenesulfonyl] derivatized histidine" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct with 4-(2-aminoethyl)benzenesulfonyl fluoride, AEBS, and an L-histidine residue." ;
  rdfs:subClassOf obo:MOD_00596 , obo:MOD_00909 .

obo:MOD_01074 a rdfs:Class ;
  rdfs:label "napthylacetyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a napthylacetyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01671 a rdfs:Class ;
  rdfs:label "O-(L-isoaspartyl)-L-threonine (active site intermediate)" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-(L-isoaspartyl)-L-threonine, using free L-asparagine and releasing ammonia." ;
  rdfs:subClassOf obo:MOD_00671 , obo:MOD_01978 .

obo:MOD_00277 a rdfs:Class ;
  rdfs:label "5-methyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to 5-methyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00414 , obo:MOD_00656 .

obo:MOD_00715 a rdfs:Class ;
  rdfs:label "methylated isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to a methylated isoleucine residue, such as N-methyl-L-isoleucine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00910 .

obo:MOD_02030 a rdfs:Class ;
  rdfs:label "trans-peptidyl-L-proline" ;
  rdfs:comment "A protein modification that effectively specifies the boundary conformation of two adjacent source amino acid residues, the second (C-term side) being a L-proline, where the carbonyl group of the amide bond of the N-side of the L-proline is positioned such that the organodiyl group is in the trans orientation (omega=180)" ;
  rdfs:subClassOf obo:MOD_00915 .

obo:MOD_00304 a rdfs:Class ;
  rdfs:label "L-leucine methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to L-leucine methyl ester." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00662 , obo:MOD_01689 .

obo:MOD_00084 a rdfs:Class ;
  rdfs:label "N6,N6-dimethyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6,N6-dimethyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00429 , obo:MOD_00602 , obo:MOD_00663 .

obo:MOD_01118 a rdfs:Class ;
  rdfs:label "alpha-N-6-phosphogluconoylated L-histidine" ;
  rdfs:comment "A protein modification that effectively replaces the N-terminal hydrogen atom of a N-terminal histidine residue with a 6-phosphogluconoyl group linked through a glycosidic bond. modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00006 , obo:MOD_00909 .

obo:MOD_00863 a rdfs:Class ;
  rdfs:label "D-allo-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to D-allo-threonine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00917 .

obo:MOD_00901 a rdfs:Class ;
  rdfs:label "modified L-alanine residue" ;
  rdfs:comment "A protein modification that modifies an L-alanine." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01535 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-114 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ8plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01526 .

obo:MOD_00136 a rdfs:Class ;
  rdfs:label "pyruvic acid (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to pyruvic acid." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01154 .

obo:MOD_01556 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-117 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ8plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01526 .

obo:MOD_01998 a rdfs:Class ;
  rdfs:label "alpha-amino butanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a butanoyl group." ;
  rdfs:subClassOf obo:MOD_01997 .

obo:MOD_00758 a rdfs:Class ;
  rdfs:label "O4-(N-acetylamino)glucosyl-L-hydroxyproline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to O4-(N-acetylamino)glucosyl-L-hydroxyproline." ;
  rdfs:subClassOf obo:MOD_01677 .

obo:MOD_00242 a rdfs:Class ;
  rdfs:label "O-(ADP-ribosyl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(ADP-ribosyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00752 , obo:MOD_00916 .

obo:MOD_01347 a rdfs:Class ;
  rdfs:label "hexose glycated L-lysine" ;
  rdfs:comment "A modification produced in a non-enzymatic reaction between a carbohydrate carbonyl group (C1 of aldohexose or C2 of fructose) and an L-lysine residue to form a Schiff-base or an Amadori ketosamine lysine adduct." ;
  rdfs:subClassOf obo:MOD_00767 , obo:MOD_00912 .

obo:MOD_01422 a rdfs:Class ;
  rdfs:label "oxazole/oxazoline ring crosslinked residues (Thr)" ;
  rdfs:comment "A protein modification that crosslinks two residues by condensation of a threonine hydroxyl with the carbonyl of the preceding residue to form a 5-methyloxazole or 5-methyloxazoline ring." ;
  rdfs:subClassOf obo:MOD_01419 , obo:MOD_02056 .

obo:MOD_00020 a rdfs:Class ;
  rdfs:label "L-leucine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-leucine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_02041 a rdfs:Class ;
  rdfs:label "crosslinked L-arginine residue" ;
  rdfs:comment "A protein modification that contains an L-arginine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00902 .

obo:MOD_00795 a rdfs:Class ;
  rdfs:label "Michael addition of hydroxymethylvinyl ketone to cysteine" ;
  rdfs:comment "modification from Unimod" ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_02024 a rdfs:Class ;
  rdfs:label "cervonoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a cervonoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_01358 a rdfs:Class ;
  rdfs:label "Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, medium form - site N-term" ;
  rdfs:comment "modification from Unimod Isotopic label - Use when labelling post-digest" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_01503 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-116 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ4plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01499 , obo:MOD_01709 .

obo:MOD_00912 a rdfs:Class ;
  rdfs:label "modified L-lysine residue" ;
  rdfs:comment "A protein modification that modifies an L-lysine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00374 a rdfs:Class ;
  rdfs:label "3,4-dihydroxy-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to 3,4-dihydroxy-L-arginine." ;
  rdfs:subClassOf obo:MOD_00428 , obo:MOD_00682 .

obo:MOD_00614 a rdfs:Class ;
  rdfs:label "fucosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a fucose (6-deoxy-D-galactose) group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00736 .

obo:MOD_01247 a rdfs:Class ;
  rdfs:label "fucosylated -site T" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00813 after formula correction. Remap to MOD:00813." .

obo:MOD_00401 a rdfs:Class ;
  rdfs:label "Gygi ICAT(TM) d0 modified cysteine" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct of a cysteine residue with the Gygi isotope-coded affinity tag d0 reagent." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01820 .

obo:MOD_01578 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-121 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ8plex-121 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01577 , obo:MOD_01712 .

obo:MOD_00736 a rdfs:Class ;
  rdfs:label "deoxyhexosylated residue" ;
  rdfs:comment "a protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a deoxyhexose group through a glycosidic bond" ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_01402 a rdfs:Class ;
  rdfs:label "(2S,3R,4R)-3,4-dihydroxyproline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to a (2S,3R,4R)-3,4-dihydroxyproline." ;
  rdfs:subClassOf obo:MOD_00866 .

obo:MOD_00335 a rdfs:Class ;
  rdfs:label "(2S,3S,2'R)-3-methyllanthionine sulfoxide" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-threonine residue by a thioether bond to form (2S,3S,2'R)-3-methyllanthionine sulfoxide." ;
  rdfs:subClassOf obo:MOD_01993 , obo:MOD_02056 .

obo:MOD_00654 a rdfs:Class ;
  rdfs:label "S-methylated residue" ;
  rdfs:comment "a protein modification that effectively replaces a sulfanyl group with a methylsulfanyl group" ;
  rdfs:subClassOf obo:MOD_00427 .

obo:MOD_01546 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-115 reporter+balance reagent N'-derivatized histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ8plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01542 , obo:MOD_01710 .

obo:MOD_01375 a rdfs:Class ;
  rdfs:label "(2S,4R)-4,5-dihydroxyleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a (2S,4R)-4,5-dihydroxyleucine." ;
  rdfs:subClassOf obo:MOD_01412 .

obo:MOD_00255 a rdfs:Class ;
  rdfs:label "3-(3'-L-histidyl)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-histidine residue and an L-tyrosine residue by a carbon-nitrogen bond to form 3-(3'-L-histidyl)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02048 , obo:MOD_02058 .

obo:MOD_01487 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-114 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ4plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01485 , obo:MOD_01709 , obo:MOD_01875 .

obo:MOD_00770 a rdfs:Class ;
  rdfs:label "residues isobaric at a resolution below 0.01 Da" ;
  rdfs:comment "Natural or modified residues that are isobaric at a resolution below 0.01 Da." .

obo:MOD_00296 a rdfs:Class ;
  rdfs:label "O-D-glucuronosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-D-glucuronosyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00447 , obo:MOD_00916 .

obo:MOD_00874 a rdfs:Class ;
  rdfs:label "L-isoglutamyl triglutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to isoglutamyl glutamyl-glutamyl-glutamic acid, forming an isopeptide bond with a triglutamic acid." ;
  rdfs:subClassOf obo:MOD_00207 .

obo:MOD_01279 a rdfs:Class ;
  rdfs:label "crotonylated L-histidine" ;
  rdfs:comment "modification from Unimod Other -" ;
  rdfs:subClassOf obo:MOD_00576 , obo:MOD_00909 .

obo:MOD_00473 a rdfs:Class ;
  rdfs:label "IMID d4" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_01763 a rdfs:Class ;
  rdfs:label "TMT6plex-131 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Proteome Sciences TMT6plex-131 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01719 , obo:MOD_01760 .

obo:MOD_02052 a rdfs:Class ;
  rdfs:label "crosslinked L-methionine residue" ;
  rdfs:comment "A protein modification that contains an L-methionine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00913 .

obo:MOD_00315 a rdfs:Class ;
  rdfs:label "pentakis-L-cysteinyl L-histidino nickel tetrairon pentasulfide" ;
  rdfs:comment "A protein modification that effectively converts five L-cysteine residues, an L-histidine residue and a one-nickel four-iron five-sulfur cluster to pentakis-L-cysteinyl L-histidino nickel tetrairon pentasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_00741 , obo:MOD_02067 , obo:MOD_02070 .

obo:MOD_00946 a rdfs:Class ;
  rdfs:label "crosslinked residues with loss of ammonia" ;
  rdfs:comment "A protein modification that crosslinks two residues with a covalent bond and the loss of ammonia." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01263 a rdfs:Class ;
  rdfs:label "nucleophilic addtion to cytopiloyne - site K" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_01951 a rdfs:Class ;
  rdfs:label "O-(L-isoglutamyl)-L-serine (Gln-Ser)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-glutamine residue and an L-serine residue by an ester bond and releasing ammonia to form O-(L-isoglutamyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00946 , obo:MOD_01977 , obo:MOD_02046 .

obo:MOD_00989 a rdfs:Class ;
  rdfs:label "acetamidomethyl (Acm)" ;
  rdfs:comment "OBSOLETE because redundant, the difference component of MOD:01079. Remap to MOD:01079." .

obo:MOD_00325 a rdfs:Class ;
  rdfs:label "L-beta-methylthioasparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to L-beta-methylthioasparagine." ;
  rdfs:subClassOf obo:MOD_00903 , obo:MOD_01153 .

obo:MOD_00423 a rdfs:Class ;
  rdfs:label "monosodium salt" ;
  rdfs:comment "A protein modification that effectively substitutes one sodium atom for one hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00747 .

obo:MOD_01386 a rdfs:Class ;
  rdfs:label "3-hydroxy-L-valine" ;
  rdfs:comment "A protein modification that effectively converts an L-valine residue to 3-hydroxy-L-valine." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00920 .

obo:MOD_01321 a rdfs:Class ;
  rdfs:label "Michael addition of BHT quinone methide to cysteine" ;
  rdfs:comment "modification from Unimod Other" ;
  rdfs:subClassOf obo:MOD_00534 , obo:MOD_00905 .

obo:MOD_01052 a rdfs:Class ;
  rdfs:label "dimethoxybenzyl Trp" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00823 a rdfs:Class ;
  rdfs:label "S-(L-methionyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-methionine residue and an L-cysteine residue by a thioester bond to form S-(L-methionyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02052 .

obo:MOD_01932 a rdfs:Class ;
  rdfs:label "L-lysinonorleucine" ;
  rdfs:comment "A protein modification that effectively cross-links two lysine residues with a carbon-nitrogen bond to form L-lysinonorleucine.." ;
  rdfs:subClassOf obo:MOD_00946 , obo:MOD_02051 .

obo:MOD_00953 a rdfs:Class ;
  rdfs:label "O-(L-isoglutamyl)-L-serine (Glu-Ser)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-glutamic acid residue and an L-serine residue by an ester bond and releasing water to form O-(L-isoglutamyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01977 , obo:MOD_02045 .

obo:MOD_01541 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-114 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ8plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01535 , obo:MOD_01714 , obo:MOD_02004 .

obo:MOD_01611 a rdfs:Class ;
  rdfs:label "6-(S-L-cysteinyl)-8alpha-(-3'-L-histidino)-FMN" ;
  rdfs:comment "A protein modification that crosslinks a cysteine and a histidine residue by forming the adduct 6-(S-L-cysteinyl)-8alpha-(-3'-L-histidino)-FMN." ;
  rdfs:subClassOf obo:MOD_01621 , obo:MOD_02044 , obo:MOD_02048 .

obo:MOD_00599 a rdfs:Class ;
  rdfs:label "monomethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom with one methyl group." ;
  rdfs:subClassOf obo:MOD_00427 .

obo:MOD_01155 a rdfs:Class ;
  rdfs:label "lipoconjugated residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a lipid-like group either through acylation, alkylation, or amidation." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00513 a rdfs:Class ;
  rdfs:label "HexNAc1dHex2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex(2) HexNAc" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00320 a rdfs:Class ;
  rdfs:label "4-(S-L-cysteinyl)-L-glutamic acid" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-glutamic acid residue by a thioether bond to form 4-(S-L-cysteinyl)-L-glutamic acid." ;
  rdfs:subClassOf obo:MOD_00687 , obo:MOD_02045 .

obo:MOD_00546 a rdfs:Class ;
  rdfs:label "(18)O label at both C-terminal oxygens" ;
  rdfs:comment "A protein modification that effectively substitutes two (18)O atom for the two (16)O atoms of an alpha-carboxyl (1-carboxyl) group." ;
  rdfs:subClassOf obo:MOD_00847 .

obo:MOD_01697 a rdfs:Class ;
  rdfs:label "alpha-amino 4-(2-aminoethyl)benzenesulfonylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with an 4-(2-aminoethyl)benzenesulfonyl group." ;
  rdfs:subClassOf obo:MOD_00596 .

obo:MOD_00031 a rdfs:Class ;
  rdfs:label "L-selenocysteine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-selenocysteine, a natural pretranslational modification." ;
  rdfs:subClassOf obo:MOD_00745 , obo:MOD_00859 , obo:MOD_00868 .

obo:MOD_00158 a rdfs:Class ;
  rdfs:label "4'-(L-tryptophan)-L-tryptophyl quinone" ;
  rdfs:comment "A protein modification that effectively cross-links two L-tryptophan residues by a carbon-carbon bond to form 4'-(L-tryptophan)-L-tryptophyl quinone." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02057 .

obo:MOD_02089 a rdfs:Class ;
  rdfs:label "O-(phospho-5'-uridine)-L-serine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and 5'-phosphouridine through a phosphodiester bond to form O-(phospho-5'-uridine)-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01166 .

obo:MOD_00553 a rdfs:Class ;
  rdfs:label "1,2-ethanedithiol modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a (2-sulfanylethyl)sulfanyl (or thioethylthiol) group for a hydroxy group." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01943 a rdfs:Class ;
  rdfs:label "pyrrolidione ring crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two adjacent residues by formation of a pyrrolidione ring." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01658 a rdfs:Class ;
  rdfs:label "alpha-amino-Dabsyl derivatized residue" ;
  rdfs:comment "A protein modification that is produced by reaction with 4-(4-dimethylaminophenylazo)benzenesulfonyl chloride, dabsyl chloride, to form an alpha-amino-Dabsyl-derivatized residue." ;
  rdfs:subClassOf obo:MOD_01656 .

obo:MOD_01185 a rdfs:Class ;
  rdfs:label "4-amidated L-aspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-asparagine." ;
  rdfs:subClassOf obo:MOD_00674 , obo:MOD_00904 .

obo:MOD_01305 a rdfs:Class ;
  rdfs:label "N1'-hexosaminylated tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to N1'-hexosaminyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00876 , obo:MOD_00918 .

obo:MOD_00917 a rdfs:Class ;
  rdfs:label "modified L-threonine residue" ;
  rdfs:comment "A protein modification that modifies an L-threonine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00535 a rdfs:Class ;
  rdfs:label "phosphorylation to amine thiol" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00228 a rdfs:Class ;
  rdfs:label "S-diphytanylglycerol diether-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-diphytanylglycerol diether-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01155 .

obo:MOD_01979 a rdfs:Class ;
  rdfs:label "O-(L-isoglutamyl)-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-(L-isoglutamyl)-L-threonine, using free L-glutamine and releasing ammonia, or using a peptidyl L-glutamine and releasing ammonia." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_02056 .

obo:MOD_01433 a rdfs:Class ;
  rdfs:label "1-amino-2-propanone" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue into 1-amino-2-propanone." ;
  rdfs:subClassOf obo:MOD_00683 , obo:MOD_00917 .

obo:MOD_01593 a rdfs:Class ;
  rdfs:label "iTRAQ8plex reporter fragment" ;
  rdfs:comment "A protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01520 .

obo:MOD_01224 a rdfs:Class ;
  rdfs:label "thioacylation of primary amines - site K" ;
  rdfs:comment "modification from Unimod Other -" ;
  rdfs:subClassOf obo:MOD_00497 .

obo:MOD_00385 a rdfs:Class ;
  rdfs:label "L-asparagine 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-asparagine residue and a glycine residue to form L-asparagine 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01882 , obo:MOD_02042 , obo:MOD_02047 .

obo:MOD_00951 a rdfs:Class ;
  rdfs:label "L-gamma-carboxyglutamic acid with neutral loss of carbon dioxide" ;
  rdfs:comment "Covalent modification of a peptide or protein L-glutamic acid residue to gamma-carboxyglutamic acid with secondary loss of a neutral carbon dioxide molecular fragment." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_00957 , obo:MOD_00960 .

obo:MOD_00111 a rdfs:Class ;
  rdfs:label "S-farnesyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-farnesyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00437 , obo:MOD_01110 .

obo:MOD_00266 a rdfs:Class ;
  rdfs:label "N-L-glutamyl-poly-L-glutamic acid" ;
  rdfs:comment "A protein modification that effectively forms a peptide bond between a C-terminal L-glutamic acid residue and one or more free L-glutamic acid molecules to form N-(L-glutamyl)-poly-L-glutamic acid." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_00057 a rdfs:Class ;
  rdfs:label "N2-acetyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N2-acetyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00723 , obo:MOD_01458 .

obo:MOD_01428 a rdfs:Class ;
  rdfs:label "(13)C isotope tagged reagent" ;
  rdfs:comment "A protein modification that forms an adduct with a (13)C labeled compound used as a reagent." ;
  rdfs:subClassOf obo:MOD_00842 , obo:MOD_01426 .

obo:MOD_00592 a rdfs:Class ;
  rdfs:label "sulfonation of N-terminal" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01225 a rdfs:Class ;
  rdfs:label "monofluorinated L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue into an L-fluorotyrosine." ;
  rdfs:subClassOf obo:MOD_00498 , obo:MOD_00985 .

obo:MOD_01580 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-121 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ8plex-121 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01577 , obo:MOD_01714 .

obo:MOD_01709 a rdfs:Class ;
  rdfs:label "iTRAQ4plex reporter+balance reagent N-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino- or imino-hydrogen with one of the Applied Biosystems iTRAQ4plex reagent reporter+balance groups." ;
  rdfs:subClassOf obo:MOD_01706 .

obo:MOD_00040 a rdfs:Class ;
  rdfs:label "2-pyrrolidone-5-carboxylic acid (Gln)" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to 2-pyrrolidone-5-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00907 , obo:MOD_01048 , obo:MOD_01160 .

obo:MOD_01705 a rdfs:Class ;
  rdfs:label "isotope tagged reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydrogen with an isotope tagged reagent acyl group." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_00311 a rdfs:Class ;
  rdfs:label "L-cysteine coenzyme A disulfide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteine coenzyme A disulfide." ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_00905 , obo:MOD_01862 .

obo:MOD_00931 a rdfs:Class ;
  rdfs:label "Michael addition of t-butyl hydroxylated BHT (BHTOH) to C, H or K" ;
  rdfs:comment "modification from Unimod Other - BHTOH is formed upon metabolism of BHT with P450 enzymes. The BHTOH is further metabolized to its quinone methide (electrophile) which reacts with -SH and -NH2 groups" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00454 a rdfs:Class ;
  rdfs:label "quaternary amine labeling reagent heavy form (+3amu) (N-term & K)" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a quaternary amine reagent heavy (+3amu) form group." ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00493 a rdfs:Class ;
  rdfs:label "formylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a formyl group." ;
  rdfs:subClassOf obo:MOD_00649 .

obo:MOD_00686 a rdfs:Class ;
  rdfs:label "L-selenocysteine (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-selenocysteine (not known as a natural, post-translational modification process)." ;
  rdfs:subClassOf obo:MOD_00007 , obo:MOD_00905 .

obo:MOD_01920 a rdfs:Class ;
  rdfs:label "3-hydroxy-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to 3-hydroxy-L-histidine." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00909 .

obo:MOD_00859 a rdfs:Class ;
  rdfs:label "modified residue that can arise from different natural residues" ;
  rdfs:comment "A protein modification that can be derived from different natural residues by different chemical processes." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01784 a rdfs:Class ;
  rdfs:label "N,N,N-trimethyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to N,N,N-trimethyl-L-serine." ;
  rdfs:subClassOf obo:MOD_01698 , obo:MOD_01800 .

obo:MOD_00116 a rdfs:Class ;
  rdfs:label "S-diacylglycerol-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-diacylglycerol-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01155 .

obo:MOD_00531 a rdfs:Class ;
  rdfs:label "(18)O labeled deglycosylated asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to L-aspartic acid with one (18)O as the result of having been deglycosylated in (18)O water." ;
  rdfs:subClassOf obo:MOD_01293 .

obo:MOD_01799 a rdfs:Class ;
  rdfs:label "methylated serine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to a methylated serine, such as N-methylserine, N,N-dimethylserine, or N,N,N-trimethylserine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00916 .

obo:MOD_00487 a rdfs:Class ;
  rdfs:label "oxidized proline biotinylated with biotin-LC-hydrazide" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00915 .

obo:MOD_01481 a rdfs:Class ;
  rdfs:label "6'-fluoro-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue into an 6'-fluoro-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01226 .

obo:MOD_00816 a rdfs:Class ;
  rdfs:label "S-stearoyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-stearoyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_02005 , obo:MOD_02006 .

obo:MOD_00581 a rdfs:Class ;
  rdfs:label "(18)O monosubstituted residue" ;
  rdfs:comment "A protein modification that effectively substitutes one (18)O atom for one (16)O atom." ;
  rdfs:subClassOf obo:MOD_00845 .

obo:MOD_00625 a rdfs:Class ;
  rdfs:label "N-methylmaleimide derivatized residue" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01720 a rdfs:Class ;
  rdfs:label "TMT6plex-126 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Proteome Sciences TMT6plex-126 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01715 .

obo:MOD_00289 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-N1'-histidino tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-histidine residue and a four-iron four-sulfur cluster to tris-L-cysteinyl L-N1'-histidino tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02070 .

obo:MOD_01640 a rdfs:Class ;
  rdfs:label "L-isoleucine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-isoleucine." ;
  rdfs:subClassOf obo:MOD_00910 , obo:MOD_01651 .

obo:MOD_00079 a rdfs:Class ;
  rdfs:label "N4-methyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4-methyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00602 , obo:MOD_00673 .

obo:MOD_00972 a rdfs:Class ;
  rdfs:label "monobrominated L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to a monobrominated L-phenylalanine, such as L-2'-bromophenylalanine." ;
  rdfs:subClassOf obo:MOD_01912 , obo:MOD_02086 .

obo:MOD_01167 a rdfs:Class ;
  rdfs:label "molybdopterin guanine dinucleotide" ;
  rdfs:comment "modification from Unimod" ;
  rdfs:subClassOf obo:MOD_00744 .

obo:MOD_00747 a rdfs:Class ;
  rdfs:label "sodium containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a sodium atom for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_00177 a rdfs:Class ;
  rdfs:label "omega-N-(ADP-ribosyl)-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-argininine residue to omega-N-(ADP-ribosyl)-L-arginine." ;
  rdfs:subClassOf obo:MOD_00752 , obo:MOD_00902 .

obo:MOD_01144 a rdfs:Class ;
  rdfs:label "S-(sn-1-2,3-dipalmitoylglycerol)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(sn-1-2,3-dipalmitoyl-glycerol)cysteine." ;
  rdfs:subClassOf obo:MOD_00116 .

obo:MOD_01571 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-119 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ8plex-119 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01570 , obo:MOD_01712 .

obo:MOD_00390 a rdfs:Class ;
  rdfs:label "O-decanoyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-decanoyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00668 , obo:MOD_02003 .

obo:MOD_02110 a rdfs:Class ;
  rdfs:label "5-hydroxy-L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to 5-hydroxy-L-proline" ;
  rdfs:subClassOf obo:MOD_01024 .

obo:MOD_00570 a rdfs:Class ;
  rdfs:label "residues isobaric at 71.037114 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 71.037114 Da." .

obo:MOD_00665 a rdfs:Class ;
  rdfs:label "methylated alanine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to a methylated alanine, such as N-methylalanine, N,N-dimethylalanine, or N,N,N-trimethylalanine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00901 .

obo:MOD_01817 a rdfs:Class ;
  rdfs:label "2'-oxo-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a 2'-oxo-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00679 , obo:MOD_00918 .

obo:MOD_00451 a rdfs:Class ;
  rdfs:label "alpha-amino propanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a propanoyl group." ;
  rdfs:subClassOf obo:MOD_01894 .

obo:MOD_00640 a rdfs:Class ;
  rdfs:label "6-N-biotinylaminohexyl isopropyl phosphorofluoridate" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_00427 a rdfs:Class ;
  rdfs:label "methylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a methyl group." ;
  rdfs:subClassOf obo:MOD_00001 .

obo:MOD_01080 a rdfs:Class ;
  rdfs:label "acrylamidyl cysteinyl" ;
  rdfs:comment "OBSOLETE because this is identical to MOD:00417.  modification from DeltaMass" .

obo:MOD_00777 a rdfs:Class ;
  rdfs:label "residues isobaric at 182.96-182.98 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 182.96-182.98 Da." .

obo:MOD_01901 a rdfs:Class ;
  rdfs:label "L-threonine 5-methyloxazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks two L-threonine residues to form L-threonine 5-methyloxazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01422 , obo:MOD_02082 .

obo:MOD_01303 a rdfs:Class ;
  rdfs:label "N4-hexosaminylated asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to an N4-hexosaminyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00876 .

obo:MOD_01235 a rdfs:Class ;
  rdfs:label "(18)O monosubstituted L-threonine" ;
  rdfs:comment "modification from Unimod Isotopic label - alkaline phosphatase to dephosphorylate" ;
  rdfs:subClassOf obo:MOD_00581 , obo:MOD_00917 .

obo:MOD_01041 a rdfs:Class ;
  rdfs:label "benzyloxycarbonyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a benzyloxycarbonyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00896 a rdfs:Class ;
  rdfs:label "FMN modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a riboflavin phosphate (flavin mononucleotide, FMN) group." ;
  rdfs:subClassOf obo:MOD_00697 , obo:MOD_00861 .

obo:MOD_00408 a rdfs:Class ;
  rdfs:label "mono N-acetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino or imino hydrogen with an acetyl group." ;
  rdfs:subClassOf obo:MOD_00394 , obo:MOD_00670 .

obo:MOD_01828 a rdfs:Class ;
  rdfs:label "cysTMT6plex-131 reporter+balance reagent cysteine disulfide" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfhydryl hydrogen with a Thermo Scientific cysTMT6plex-131 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01821 .

obo:MOD_00273 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-cysteine persulfido bis-L-glutamato L-histidino tetrairon disulfide trioxide" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues, two L-glutamic acid residues, an L-histidine residue and a four-iron three-sulfur three-oxygen cluster to tris-L-cysteinyl L-cysteine persulfido bis-L-glutamato L-histidino tetrairon disulfide trioxide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02068 , obo:MOD_02070 .

obo:MOD_00711 a rdfs:Class ;
  rdfs:label "trimethylated protonated-residue" ;
  rdfs:comment "A protein modification that effectively replaces three hydrogen atoms with three methyl groups, after a proton has been added to form an aminium group." ;
  rdfs:subClassOf obo:MOD_00427 .

obo:MOD_00788 a rdfs:Class ;
  rdfs:label "isopropylphosphotyrosine" ;
  rdfs:comment "modification from Unimod" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00861 , obo:MOD_00919 .

obo:MOD_01954 a rdfs:Class ;
  rdfs:label "dehydroalanine (Sec)" ;
  rdfs:comment "A protein modification that effectively converts an L-selenocysteine residue to dehydroalanine." ;
  rdfs:subClassOf obo:MOD_01158 , obo:MOD_01168 .

obo:MOD_00132 a rdfs:Class ;
  rdfs:label "L-lysinoalanine (Lys-Ser)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and an L-lysine residue to release water and form 2-amino-6-(2-amino-2-carboxyethylamino)hexanoic acid." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01853 , obo:MOD_02051 , obo:MOD_02055 .

obo:MOD_01552 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-116 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ8plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01549 , obo:MOD_01714 .

obo:MOD_01336 a rdfs:Class ;
  rdfs:label "deamidation followed by a methylation -site Q" ;
  rdfs:comment "OBSOLETE - identical and redundant with MOD:00657. Remap to MOD:00657." .

obo:MOD_01070 a rdfs:Class ;
  rdfs:label "pentafluorophenyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a pentafluorophenyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01568 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-118 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ8plex-118 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01563 , obo:MOD_01714 , obo:MOD_02003 .

obo:MOD_00346 a rdfs:Class ;
  rdfs:label "2-(S-L-cysteinyl)-D-phenylalanine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-phenylalanine residue by a thioether bond to form 2-(S-L-cysteinyl)-D-phenylalanine." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_01992 , obo:MOD_02053 .

obo:MOD_01466 a rdfs:Class ;
  rdfs:label "menadione quinone derivative - site C" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00621 , obo:MOD_00905 .

obo:MOD_00357 a rdfs:Class ;
  rdfs:label "1'-(8alpha-FMN)-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to 1'-(8alpha-FMN)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_02085 .

obo:MOD_00740 a rdfs:Class ;
  rdfs:label "manganese containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a manganese atom or a cluster containing manganese for hydrogen atoms, or that coordinates a manganese ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_01249 a rdfs:Class ;
  rdfs:label "iodouridine monophosphate derivatized tryptophan" ;
  rdfs:comment "A protein modification that is produced by reaction of iodouridine monophosphate with an L-tryptophan residue." ;
  rdfs:subClassOf obo:MOD_00611 , obo:MOD_00918 .

obo:MOD_01178 a rdfs:Class ;
  rdfs:label "S-(aspart-4-yloxy) thiocarbonate" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to S-(aspart-4-yloxy) thiocarbonate." ;
  rdfs:subClassOf obo:MOD_00904 .

obo:MOD_00006 a rdfs:Class ;
  rdfs:label "N-glycosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydrogen atom on a nitrogen with a carbohydrate-like group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_01343 a rdfs:Class ;
  rdfs:label "selenium substitution for sulfur - site C" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00686. Remap to MOD:00686." .

obo:MOD_00143 a rdfs:Class ;
  rdfs:label "heme-bis-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between two cysteine residues and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02067 .

obo:MOD_00260 a rdfs:Class ;
  rdfs:label "O-(phospho-5'-DNA)-L-threonine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-threonine residue and the 5'-end of DNA through a phosphodiester bond to form O-(phospho-5'-DNA)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00750 , obo:MOD_00917 .

obo:MOD_00024 a rdfs:Class ;
  rdfs:label "L-proline residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-proline." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_01591 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass differences that are nominally equal at 304.205359 Da" ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins of 304.205359 Da." .

obo:MOD_01289 a rdfs:Class ;
  rdfs:label "acetaldehyde +28 - site K" ;
  rdfs:comment "OBSOLETE because this is not supported by the literature [PMT]" .

obo:MOD_01783 a rdfs:Class ;
  rdfs:label "N,N-dimethyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to N,N-dimethyl-L-serine." ;
  rdfs:subClassOf obo:MOD_01686 , obo:MOD_01800 .

obo:MOD_01514 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass differences that are nominally equal at a resolution below 0.01 Da" ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins that are nominally equal (sometimes called isobaric) at a resolution below 0.01 Da." .

obo:MOD_00416 a rdfs:Class ;
  rdfs:label "phosphorylation of an hydroxyl amino acid with prompt loss of phosphate" ;
  rdfs:comment "A change resulting in an alteration of the measured molecular mass of a peptide or protein hydroxyl amino acid phosphorylated promptly followed by secondary loss of a neutral trihydrogen phosphate molecular fragment." ;
  rdfs:subClassOf obo:MOD_00432 , obo:MOD_00704 .

obo:MOD_00000 a rdfs:Class ;
  rdfs:label "protein modification" ;
  rdfs:comment "Covalent modification of, or a change resulting in an alteration of the measured molecular mass of, a peptide or protein amino acid residue." .

obo:MOD_01879 a rdfs:Class ;
  rdfs:label "methanobactin SB2 copper complex" ;
  rdfs:comment "A protein modification that effectively converts two L-cysteine residues, an L-arginine residue, an L-threonine residue and a copper atom to the methanobactin SB2 copper complex." ;
  rdfs:subClassOf obo:MOD_00742 , obo:MOD_02067 .

obo:MOD_00885 a rdfs:Class ;
  rdfs:label "ester crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by formation of an ester bond." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01430 a rdfs:Class ;
  rdfs:label "(18)O isotope tagged reagent" ;
  rdfs:comment "A protein modification that forms an adduct with a (13)C labeled compound used as a reagent." ;
  rdfs:subClassOf obo:MOD_00844 , obo:MOD_01426 .

obo:MOD_00878 a rdfs:Class ;
  rdfs:label "imidoester crosslink dimethyl pimelimidate doubly attached" ;
  rdfs:comment "dimethyl pimelimidate modification from Unimod - Mechanism of the reaction of imidoesters with amines" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00993 a rdfs:Class ;
  rdfs:label "phenyl ester" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00377 a rdfs:Class ;
  rdfs:label "1'-(phospho-5'-uridine)-L-histidine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-histidine residue and 5'-phosphouridine through a phosphoramide ester bond to form 1'-(phospho-5'-uridine)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01166 .

obo:MOD_00193 a rdfs:Class ;
  rdfs:label "L-3-oxoalanine (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-oxoalanine." ;
  rdfs:subClassOf obo:MOD_01169 .

obo:MOD_01023 a rdfs:Class ;
  rdfs:label "3',5'-dibromo-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 3',5'-dibromo-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01006 .

obo:MOD_02098 a rdfs:Class ;
  rdfs:label "residue modified by radical mechanism" ;
  rdfs:comment "A chemical transformation driven by a radical reaction." .

obo:MOD_01483 a rdfs:Class ;
  rdfs:label "O-formylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl group with a formyloxy group." ;
  rdfs:subClassOf obo:MOD_00493 , obo:MOD_00671 .

obo:MOD_01516 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass diferences that are nominally equal at 144.099-144.106 Da." ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins of 144.099-144.106 Da." .

obo:MOD_01046 a rdfs:Class ;
  rdfs:label "3'-chloro-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 3'-chloro-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01028 .

obo:MOD_00321 a rdfs:Class ;
  rdfs:label "cis-14-hydroxy-10,13-dioxo-7-heptadecenoic acid L-aspartate ester" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to cis-14-hydroxy-10,13-dioxo-7-heptadecenoic acid L-aspartate ester." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01155 .

obo:MOD_00610 a rdfs:Class ;
  rdfs:label "cysteinyl mercury" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_01075 , obo:MOD_02067 .

obo:MOD_00405 a rdfs:Class ;
  rdfs:label "Applied Biosystems original ICAT(TM) d8 modified cysteine" ;
  rdfs:comment "A protein modification that is produced by formation of an adduct of a cysteine residue with the Applied Biosystems original isotope-coded affinity tag d8 reagent." ;
  rdfs:subClassOf obo:MOD_01431 , obo:MOD_01820 .

obo:MOD_01831 a rdfs:Class ;
  rdfs:label "S-carboxamidomethyl-L-cysteine sulfone" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-carboxamidomethyl-L-cysteine sulfone." ;
  rdfs:subClassOf obo:MOD_00708 , obo:MOD_01855 .

obo:MOD_01597 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-116 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex-116 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01593 .

obo:MOD_01988 a rdfs:Class ;
  rdfs:label "2-(L-cystein-S-yl)-L-threonine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-threonine residue by a thioether bond to form 2-(S-L-cysteinyl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_01992 , obo:MOD_02056 .

obo:MOD_01846 a rdfs:Class ;
  rdfs:label "methanobactin OB3b copper complex" ;
  rdfs:comment "A protein modification that effectively converts two L-cysteine residues, and a copper atom to the methanobactin OB3b copper complex." ;
  rdfs:subClassOf obo:MOD_00742 , obo:MOD_02067 .

obo:MOD_00766 a rdfs:Class ;
  rdfs:label "C terminal -K from HC of MAb" ;
  rdfs:comment "modification from Unimod Post-translational - C-terminal loss of lysine OBSOLETE because the idenical to MOD:01642. Remap to MOD:01642" .

obo:MOD_00224 a rdfs:Class ;
  rdfs:label "1-chondroitin sulfate-L-aspartic acid ester" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to 1-chondroitin sulfate-L-aspartic acid ester" ;
  rdfs:subClassOf obo:MOD_00904 .

obo:MOD_00259 a rdfs:Class ;
  rdfs:label "O4'-(phospho-5'-DNA)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-tyrosine residue and the 5'-end of DNA through a phosphodiester bond to form O4'-(phospho-5'-DNA)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00750 , obo:MOD_00919 .

obo:MOD_01463 a rdfs:Class ;
  rdfs:label "N-methylated methionine" ;
  rdfs:comment "A protein modification that effectively replaces an L-methionine alpha amino hydrogen with a methyl group." ;
  rdfs:subClassOf obo:MOD_00716 , obo:MOD_01460 .

obo:MOD_01694 a rdfs:Class ;
  rdfs:label "S-(coelenterazin-3a-yl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between an L-cysteine residue and the bioluminescent compound didehydrocoelenterazine to form S-(coelenterazin-3a-yl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00759 a rdfs:Class ;
  rdfs:label "fucosylated biantennary (-1 galactose) N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00593 a rdfs:Class ;
  rdfs:label "covalent modification of lysine by omega-maleimido alkanoyl N-hydroxysuccinimido esters" ;
  rdfs:comment "OBSOLETE because removed from Unimod. modification from Unimod Chemical derivative" .

obo:MOD_00052 a rdfs:Class ;
  rdfs:label "N-acetyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-acetyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00646 , obo:MOD_01458 .

obo:MOD_02018 a rdfs:Class ;
  rdfs:label "arachidonoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an arachidonoyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_01423 a rdfs:Class ;
  rdfs:label "palmitoleylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a palmitoleyl group." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_01155 .

obo:MOD_00830 a rdfs:Class ;
  rdfs:label "N-methyl-L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to an N-methyl-L-proline." ;
  rdfs:subClassOf obo:MOD_01417 , obo:MOD_01462 , obo:MOD_01680 .

obo:MOD_01001 a rdfs:Class ;
  rdfs:label "2-aminoisobutyric acid residue (Aib)" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with a 2-aminoisobutyric acid." ;
  rdfs:subClassOf obo:MOD_00850 .

obo:MOD_00611 a rdfs:Class ;
  rdfs:label "iodouridine monophosphate derivatized residue" ;
  rdfs:comment "A protein modification that is produced by reaction of iodouridine monophosphate with a residue." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01615 a rdfs:Class ;
  rdfs:label "glycyl cysteine dithioester" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and a glycine residue by a dithioester bond to form glycyl cysteine dithioester." ;
  rdfs:subClassOf obo:MOD_00395 , obo:MOD_00954 , obo:MOD_02047 .

obo:MOD_01668 a rdfs:Class ;
  rdfs:label "O4-(8alpha-FAD)-L-aspartate" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to O4-(8alpha-FAD)-L-aspartate." ;
  rdfs:subClassOf obo:MOD_00895 , obo:MOD_00904 .

obo:MOD_00621 a rdfs:Class ;
  rdfs:label "menadione quinone derivative" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01291 a rdfs:Class ;
  rdfs:label "dihydroxylated residue - site W" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00464. Remap to MOD:00464." .

obo:MOD_01043 a rdfs:Class ;
  rdfs:label "p-nitrobenzyl ester modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a p-nitrobenzyl group for the hydrogen atom of a carboxyl group." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01734 a rdfs:Class ;
  rdfs:label "TMT6plex-127 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Proteome Sciences TMT6plex-127 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01728 , obo:MOD_02004 .

obo:MOD_01172 a rdfs:Class ;
  rdfs:label "N-alanyl-glycosylsphingolipidinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N-alanyl-glycosylsphingolipidinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00466 , obo:MOD_00901 .

obo:MOD_01486 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-114 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ4plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01485 , obo:MOD_01711 .

obo:MOD_01728 a rdfs:Class ;
  rdfs:label "TMT6plex-127 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Proteome Sciences TMT6plex-127 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01715 .

obo:MOD_01057 a rdfs:Class ;
  rdfs:label "(79)Br and (81)Br labeled 3',5'-dibromotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_01006 .

obo:MOD_01947 a rdfs:Class ;
  rdfs:label "O-(L-isoaspartyl)-L-threonine (cross-link)" ;
  rdfs:comment "A protein modification that effectively cross-links an L-threonine residue and an L-aspartic acid residue with an ester bond to form  O-(L-isoaspartyl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00885 , obo:MOD_00954 , obo:MOD_01978 , obo:MOD_02043 .

obo:MOD_00344 a rdfs:Class ;
  rdfs:label "N-palmitoylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-palmitoylglycine." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01685 .

obo:MOD_01756 a rdfs:Class ;
  rdfs:label "TMT6plex-130 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Proteome Sciences TMT6plex-130 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01717 , obo:MOD_01752 .

obo:MOD_01641 a rdfs:Class ;
  rdfs:label "L-leucine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-leucine." ;
  rdfs:subClassOf obo:MOD_00911 , obo:MOD_01651 .

obo:MOD_00205 a rdfs:Class ;
  rdfs:label "D-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to D-tryptophan." ;
  rdfs:subClassOf obo:MOD_00664 , obo:MOD_00918 .

obo:MOD_00361 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl S-adenosylmethion-N,O-diyl tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an S-adenosylmethionine and a four-iron four-sulfur cluster to tris-L-cysteinyl S-adenosylmethion-N,O-diyl tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 .

obo:MOD_01770 a rdfs:Class ;
  rdfs:label "O-palmitoyl-L-threonine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-palmitoyl-L-threonine amide." ;
  rdfs:subClassOf obo:MOD_02004 .

obo:MOD_02002 a rdfs:Class ;
  rdfs:label "S-palmitoleylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfanyl group with a palmitoleylsulfanyl group." ;
  rdfs:subClassOf obo:MOD_00672 , obo:MOD_01423 .

obo:MOD_00651 a rdfs:Class ;
  rdfs:label "N-palmitoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a palmitoylamino group." ;
  rdfs:subClassOf obo:MOD_00440 , obo:MOD_00670 .

obo:MOD_01915 a rdfs:Class ;
  rdfs:label "N-formyl-L-alanine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N-formyl-L-alanine." ;
  rdfs:subClassOf obo:MOD_00409 , obo:MOD_00901 .

obo:MOD_01437 a rdfs:Class ;
  rdfs:label "cyclo[(prolylserin)-O-yl] cysteinate (Cys-Pro-Ser cross-link)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue, an L-proline residue, and an L-serine residue to cyclo[(prolylserin)-O-yl] cysteinate." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01629 , obo:MOD_02054 , obo:MOD_02055 .

obo:MOD_00626 a rdfs:Class ;
  rdfs:label "fluorescein-5-thiosemicarbazide modified residue" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01639 a rdfs:Class ;
  rdfs:label "L-histidine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-histidine." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01651 .

obo:MOD_02036 a rdfs:Class ;
  rdfs:label "Hex9HexNAc2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, Hex(9)HexNAc(2)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00478 a rdfs:Class ;
  rdfs:label "glutamyl semialdehyde (Pro)" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to L-glutamyl semialdehyde." ;
  rdfs:subClassOf obo:MOD_00679 , obo:MOD_00915 , obo:MOD_01440 .

obo:MOD_01261 a rdfs:Class ;
  rdfs:label "nucleophilic addtion to cytopiloyne - site S" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative -" .

obo:MOD_01459 a rdfs:Class ;
  rdfs:label "4x(2)H labeled alpha-dimethylamino N-terminal residue" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal residue to an 4x(2)H labeled alpha-dimethylamino N-terminal residue." ;
  rdfs:subClassOf obo:MOD_00552 .

obo:MOD_00070 a rdfs:Class ;
  rdfs:label "N-methyl-L-alanine" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to N-methyl-L-alanine." ;
  rdfs:subClassOf obo:MOD_01461 , obo:MOD_01680 .

obo:MOD_01250 a rdfs:Class ;
  rdfs:label "iodouridine monophosphate derivatized phenylalanine" ;
  rdfs:comment "A protein modification that is produced by reaction of iodouridine monophosphate with an L-phenylalanine residue." ;
  rdfs:subClassOf obo:MOD_00611 , obo:MOD_00914 .

obo:MOD_00333 a rdfs:Class ;
  rdfs:label "(3-aminopropyl)(L-aspartyl-1-amino)phosphoryl-5'-adenosine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to (3-aminopropyl)(L-aspartyl-1-amino)phosphoryl-5'-adenosine." ;
  rdfs:subClassOf obo:MOD_00701 , obo:MOD_00903 .

obo:MOD_01676 a rdfs:Class ;
  rdfs:label "O-(N-acetylamino)hexosyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O3-(N-acetylaminohexosyl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00005 , obo:MOD_01673 .

obo:MOD_01752 a rdfs:Class ;
  rdfs:label "TMT6plex-130 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Proteome Sciences TMT6plex-130 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01715 .

obo:MOD_01221 a rdfs:Class ;
  rdfs:label "O-formyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-formyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_01483 , obo:MOD_02004 .

obo:MOD_01190 a rdfs:Class ;
  rdfs:label "dibromo" ;
  rdfs:comment "Modification from Unimod Chemical derivative. OBSOLETE because duplicate and redundant with MOD:01006. Remap to MOD:01006." .

obo:MOD_00019 a rdfs:Class ;
  rdfs:label "L-isoleucine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-isoleucine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_01079 a rdfs:Class ;
  rdfs:label "S-(acetylamino)methyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-[(acetylamino)methyl]-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00399 a rdfs:Class ;
  rdfs:label "iodoacetic acid derivatized residue" ;
  rdfs:comment "A protein modification that is produced by reaction with iodoacetic acid, usually replacement of a reactive hydrogen with a methylcarboxy group." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01904 a rdfs:Class ;
  rdfs:label "L-serine 5-methyloxazoline-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-serine residue and an L-threonine residue to form L-serine 5-methyloxazoline-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01422 , obo:MOD_02055 .

obo:MOD_01644 a rdfs:Class ;
  rdfs:label "L-phenylalanine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_00914 , obo:MOD_01651 .

obo:MOD_00982 a rdfs:Class ;
  rdfs:label "L-selenocysteine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to L-selenocysteine (not known as a natural post-translational modification process)." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_02088 .

obo:MOD_00412 a rdfs:Class ;
  rdfs:label "oxidation" ;
  rdfs:comment "modification from Unimod artifact. OBSOLETE because Unimod entry 19 is now merged with Unimod 35 remap to MOD:00425 'monohydroxylated residue'." .

obo:MOD_00202 a rdfs:Class ;
  rdfs:label "D-serine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to D-serine." ;
  rdfs:subClassOf obo:MOD_00891 , obo:MOD_00916 .

obo:MOD_00698 a rdfs:Class ;
  rdfs:label "metal or metal cluster containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a metal atom or a metal cluster for hydrogen atoms, or coordinates a metal ion." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00643 a rdfs:Class ;
  rdfs:label "methylamine Michael addition derivatized residue" ;
  rdfs:comment "modification from Unimod Artifact" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01054 a rdfs:Class ;
  rdfs:label "4-toluenesulfonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00839 a rdfs:Class ;
  rdfs:label "(2)H deuterium labeled residue" ;
  rdfs:comment "A protein modification that effectively substitutes atoms of particular common isotopes with atoms of or groups containing deuteriumm, (2)H." ;
  rdfs:subClassOf obo:MOD_00702 .

obo:MOD_01348 a rdfs:Class ;
  rdfs:label "O-hexosylated threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to an O-hexosyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00005 , obo:MOD_00434 .

obo:MOD_00997 a rdfs:Class ;
  rdfs:label "cyclohexyl ester" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01713 a rdfs:Class ;
  rdfs:label "iTRAQ4plex reporter+balance reagent O-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl with one of the Applied Biosystems iTRAQ4plex reagent reporter+balance acyloxy groups." ;
  rdfs:subClassOf obo:MOD_01707 .

obo:MOD_01617 a rdfs:Class ;
  rdfs:label "O-(6-phosphomannosyl)-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-(6-phosphomannosyl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00005 , obo:MOD_01804 .

obo:MOD_00112 a rdfs:Class ;
  rdfs:label "S-12-hydroxyfarnesyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-12-hydroxyfarnesyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_01110 .

obo:MOD_01741 a rdfs:Class ;
  rdfs:label "TMT6plex-128 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Proteome Sciences TMT6plex-128 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01736 , obo:MOD_02003 .

obo:MOD_00458 a rdfs:Class ;
  rdfs:label "4x(2)H labeled alpha-amino succinylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a 4x(2)H labeled succinyl group." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01696 .

obo:MOD_01308 a rdfs:Class ;
  rdfs:label "thiophosphate labeled with biotin-HPDP -site T" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00639 , obo:MOD_00917 .

obo:MOD_00231 a rdfs:Class ;
  rdfs:label "hexakis-L-cysteinyl hexairon hexasulfide" ;
  rdfs:comment "A protein modification that effectively converts six L-cysteine residues and a six-iron six-sulfur cluster to hexakis-L-cysteinyl hexairon hexasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 .

obo:MOD_00597 a rdfs:Class ;
  rdfs:label "methyl methanethiosulfonate" ;
  rdfs:comment "OBSOLETE because Unimod entry 277 redundant with Unimod 39. Remap to MOD:00110." .

obo:MOD_00781 a rdfs:Class ;
  rdfs:label "N2-acetyl-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to N2-acetyl-L-histidine." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01458 .

obo:MOD_01051 a rdfs:Class ;
  rdfs:label "2-nitrobenzoyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01843 a rdfs:Class ;
  rdfs:label "5'-chloro-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 5'-chloro-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01913 .

obo:MOD_00284 a rdfs:Class ;
  rdfs:label "dihydroxyheme-L-aspartate ester-L-glutamate ester" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between an aspartic acid residue, a glutamic acid residue, and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02066 , obo:MOD_02068 .

obo:MOD_00744 a rdfs:Class ;
  rdfs:label "molybdenum pterin containing modification" ;
  rdfs:comment "A protein modification containing a molybdenum atom in a pterin ring system." ;
  rdfs:subClassOf obo:MOD_00743 , obo:MOD_00748 .

obo:MOD_01853 a rdfs:Class ;
  rdfs:label "L-lysinoalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to L-lysinoalanine either by forming a cross-link with peptidyl-cysteine or peptidyl-serine, or by condensation with free serine." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_00912 .

obo:MOD_00165 a rdfs:Class ;
  rdfs:label "1'-mannosyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 1'-mannosyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00006 , obo:MOD_00595 , obo:MOD_00918 .

obo:MOD_01370 a rdfs:Class ;
  rdfs:label "6x(13)C,1x(15)N labeled residue" ;
  rdfs:comment "A protein modification that effectively converts a residue containing common isotopes to a 6x(13)C,1x(15)N labeled residue." ;
  rdfs:subClassOf obo:MOD_00842 , obo:MOD_00843 .

obo:MOD_01972 a rdfs:Class ;
  rdfs:label "5-glutamyl coenzyme A thioester" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to 5-glutamyl coenzyme A thioester." ;
  rdfs:subClassOf obo:MOD_00860 , obo:MOD_00861 , obo:MOD_00906 .

obo:MOD_00911 a rdfs:Class ;
  rdfs:label "modified L-leucine residue" ;
  rdfs:comment "A protein modification that modifies an L-leucine residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00038 a rdfs:Class ;
  rdfs:label "3-hydroxy-L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to 3-hydroxy-L-proline." ;
  rdfs:subClassOf obo:MOD_01024 .

obo:MOD_01034 a rdfs:Class ;
  rdfs:label "4-nitrophenyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a 4-nitrophenyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_02080 a rdfs:Class ;
  rdfs:label "diacetylated L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to either N-acetyl-L-serine, O-acetyl-L-serine, or N,O-diacetyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_02079 .

obo:MOD_00299 a rdfs:Class ;
  rdfs:label "N6-(L-isoaspartyl)-L-lysine (Asn)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-asparagine residue and an L-lysine residue by an isopeptide bond with the formation of N6-(L-isoaspartyl)-L-lysine and the release of ammonia." ;
  rdfs:subClassOf obo:MOD_00946 , obo:MOD_01929 , obo:MOD_02042 .

obo:MOD_01718 a rdfs:Class ;
  rdfs:label "TMT6plex reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a Proteome Sciences TMT6plex reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01708 , obo:MOD_01717 .

obo:MOD_00157 a rdfs:Class ;
  rdfs:label "L-tryptophyl quinone" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to an L-tryptophan quinone." ;
  rdfs:subClassOf obo:MOD_00679 , obo:MOD_00918 .

obo:MOD_00524 a rdfs:Class ;
  rdfs:label "Hex1HexNAc2dHex2 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01990 a rdfs:Class ;
  rdfs:label "protonated glycine (glycinium) residue" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to a glycinium (protonated glycine)." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01700 .

obo:MOD_00318 a rdfs:Class ;
  rdfs:label "4'-(S-L-cysteinyl)-L-tryptophyl quinone" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-tryptophan residue by a thioether bond to form 4'-(S-L-cysteinyl)-L-tryptophyl quinone." ;
  rdfs:subClassOf obo:MOD_00687 , obo:MOD_02057 .

obo:MOD_01525 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-117, mTRAQ heavy, reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ4plex 117 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01521 , obo:MOD_01870 .

obo:MOD_00586 a rdfs:Class ;
  rdfs:label "pyridyl thiol modified residue" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01679 a rdfs:Class ;
  rdfs:label "alpha-aminocarbamoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha amino or imino hydrogen with a carbamoyl group." ;
  rdfs:subClassOf obo:MOD_00398 .

obo:MOD_01958 a rdfs:Class ;
  rdfs:label "bis-L-cysteinyl bisglutathion-S-yl diiron disulfide" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues and a two-iron two-sulfur cluster to bis-L-cysteinyl bisglutathion-S-yl diiron disulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 .

obo:MOD_01564 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-118 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ8plex-118 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01563 , obo:MOD_01712 .

obo:MOD_01505 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-116 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ4plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01499 , obo:MOD_01713 , obo:MOD_02004 .

obo:MOD_00590 a rdfs:Class ;
  rdfs:label "nucleophilic addtion to cytopiloyne" ;
  rdfs:comment "OBSOLETE because there is no evidence in the literature of covalent modification of polypeptides with cytopiloyne or cytopiloyne+H2O.  Modifications could potentially happen, but are not experimentally verified. [PMT] modification from Unimod Chemical derivative" .

obo:MOD_01103 a rdfs:Class ;
  rdfs:label "myristoleylation (one double bond)" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00503. Remap to MOD:00503." .

obo:MOD_00733 a rdfs:Class ;
  rdfs:label "N-acetylaminoglucosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with an N-acetylglucosamine group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00436 .

obo:MOD_00824 a rdfs:Class ;
  rdfs:label "dehydroalanine (Tyr)" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to dehydroalanine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01168 .

obo:MOD_01445 a rdfs:Class ;
  rdfs:label "L-3,3-dihydroxyoalanine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to L-3,3-dihydroxyoalanine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01448 .

obo:MOD_01854 a rdfs:Class ;
  rdfs:label "sulfur monooxygenated residue" ;
  rdfs:comment "A protein modification that effectively adds one oxygen atom to a sulfur atom of a residue without removing hydrogen atoms." ;
  rdfs:subClassOf obo:MOD_00680 .

obo:MOD_00444 a rdfs:Class ;
  rdfs:label "N-palmitoyl-S-(sn-1-2,3-dipalmitoyl-glycerol)cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-palmitoyl-S-(sn-1-2,3-dipalmitoyl-glycerol)cysteine." ;
  rdfs:subClassOf obo:MOD_00899 .

obo:MOD_00755 a rdfs:Class ;
  rdfs:label "iodinated residue" ;
  rdfs:comment "A protein modification that effectively substitutes an iodine atom of a residue for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00694 .

obo:MOD_00922 a rdfs:Class ;
  rdfs:label "Cy3 CyDye DIGE Fluor saturation dye" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_00027 a rdfs:Class ;
  rdfs:label "L-tryptophan residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_01626 a rdfs:Class ;
  rdfs:label "L-cystine" ;
  rdfs:comment "A protein modification that forms L-cystine by forming a disulfide bond that either cross-links two peptidyl L-cysteine residues, or modifies a peptidyl cysteine with a free cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00975 a rdfs:Class ;
  rdfs:label "(37)Cl labeled 3'-chlorotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00987 .

obo:MOD_00829 a rdfs:Class ;
  rdfs:label "O-(L-phenylalanyl)-L-serine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-phenylalanine residue and an L-serine residue by an ester bond to form S-(L-phenylalaninyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00885 , obo:MOD_00954 , obo:MOD_02053 , obo:MOD_02055 .

obo:MOD_01381 a rdfs:Class ;
  rdfs:label "O-palmitoleyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-palmitoleyl-L-serine." ;
  rdfs:subClassOf obo:MOD_01768 , obo:MOD_02003 .

obo:MOD_01112 a rdfs:Class ;
  rdfs:label "nicotinoyl lysine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00609 a rdfs:Class ;
  rdfs:label "Pierce EZ-Link Biotin-HPDP modified L-cysteine" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_01073 a rdfs:Class ;
  rdfs:label "2-chlorobenzyloxycarbonyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a 2-chlorobenzyloxycarbonyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00809 a rdfs:Class ;
  rdfs:label "O-galactosyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O3-galactosylthreonine." ;
  rdfs:subClassOf obo:MOD_00476 , obo:MOD_01348 .

obo:MOD_01865 a rdfs:Class ;
  rdfs:label "mTRAQ light reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems mTRAQ light reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01864 .

obo:MOD_00004 a rdfs:Class ;
  rdfs:label "artifact" ;
  rdfs:comment "Artifact entry from Unimod - OBSOLETE because organizational use is no longer required." .

obo:MOD_00101 a rdfs:Class ;
  rdfs:label "L-lysine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to L-lysine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00912 .

obo:MOD_01875 a rdfs:Class ;
  rdfs:label "N6-acylated L-lysine" ;
  rdfs:comment "A protein modification that effectively replaces an N6-amino hydrogen atom of L-lysine with an acyl group." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_00912 .

obo:MOD_00549 a rdfs:Class ;
  rdfs:label "APTA d3" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01431 .

obo:MOD_01994 a rdfs:Class ;
  rdfs:label "N1'-formyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to N1'-formyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01106 .

obo:MOD_01550 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-116 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ8plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01549 , obo:MOD_01712 .

obo:MOD_00835 a rdfs:Class ;
  rdfs:label "L-3-oxoalanine (Ser)" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to L-oxoalanine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01169 , obo:MOD_01888 .

obo:MOD_01723 a rdfs:Class ;
  rdfs:label "TMT6plex-126 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Proteome Sciences TMT6plex-126 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01719 , obo:MOD_01720 .

obo:MOD_00283 a rdfs:Class ;
  rdfs:label "N6-propylamino-poly(propylmethylamino)-propyldimethylamine-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to an N6-propylamino-poly(propylmethylamino)-propyldimethylamine-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_01628 a rdfs:Class ;
  rdfs:label "(2-aminosuccinimidyl)acetic acid" ;
  rdfs:comment "A protein modification that forms (2-aminosuccinimidyl)acetic acid by crosslinking either an aspartic acid residue or an asparagine residue with the following glycine residue." ;
  rdfs:subClassOf obo:MOD_01944 , obo:MOD_02047 .

obo:MOD_00575 a rdfs:Class ;
  rdfs:label "oxidized threonine biotinylated with biotin hydrazide" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00917 .

obo:MOD_02007 a rdfs:Class ;
  rdfs:label "N6-palmitoleyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-palmitoleyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02008 .

obo:MOD_00889 a rdfs:Class ;
  rdfs:label "N,N-dimethyl-L-proline (from L-prolinium)" ;
  rdfs:comment "A protein modification that effectively converts an L-prolinium (charged L-proline) residue to N,N-dimethyl-L-proline." ;
  rdfs:subClassOf obo:MOD_00710 , obo:MOD_00712 , obo:MOD_01686 .

obo:MOD_00906 a rdfs:Class ;
  rdfs:label "modified L-glutamic acid residue" ;
  rdfs:comment "A protein modification that modifies an L-glutamic acid residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00762 a rdfs:Class ;
  rdfs:label "biantennary (-2 galactose) N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation - missing ref" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00220 a rdfs:Class ;
  rdfs:label "4-hydroxy-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to a 4-hydroxy-L-arginine." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00682 .

obo:MOD_01983 a rdfs:Class ;
  rdfs:label "N,N-dimethylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N,N-dimethyllglycine." ;
  rdfs:subClassOf obo:MOD_00714 , obo:MOD_01686 .

obo:MOD_00016 a rdfs:Class ;
  rdfs:label "L-glutamine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-glutamine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_00441 a rdfs:Class ;
  rdfs:label "geranylgeranylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with a geranylgeranyl group." ;
  rdfs:subClassOf obo:MOD_00703 .

obo:MOD_01657 a rdfs:Class ;
  rdfs:label "N6-Dabsyl derivatized lysine" ;
  rdfs:comment "A protein modification that is produced by reaction with 4-(4-dimethylaminophenylazo)benzenesulfonyl chloride, dabsyl chloride, to form N6-Dabsyl-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01656 .

obo:MOD_01864 a rdfs:Class ;
  rdfs:label "mTRAQ light reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems mTRAQ light reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01863 .

obo:MOD_01673 a rdfs:Class ;
  rdfs:label "N-acetylaminohexosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an N-acetylaminohexose group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00436 .

obo:MOD_00135 a rdfs:Class ;
  rdfs:label "N-(L-isoaspartyl)-glycine (Asn)" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-asparagine residue and a glycine residue by an isopeptide bond with formation of N-(L-isoaspartyl)glycine and the release of ammonia." ;
  rdfs:subClassOf obo:MOD_00946 , obo:MOD_01928 , obo:MOD_02042 .

obo:MOD_01210 a rdfs:Class ;
  rdfs:label "copper(1+) L-glutamate" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to the copper(1+) glutamate salt." ;
  rdfs:subClassOf obo:MOD_00742 , obo:MOD_02068 .

obo:MOD_00269 a rdfs:Class ;
  rdfs:label "O-(sn-1-glycerophosphoryl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(sn-1-glycerophosphoryl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 .

obo:MOD_01139 a rdfs:Class ;
  rdfs:label "dioctyl phthalate sodium adduct" ;
  rdfs:comment "OBSOLETE because this is a MS contaminant, not a known modification to a polypeptide. modification from DeltaMass" .

obo:MOD_01019 a rdfs:Class ;
  rdfs:label "hydroxymethylphenyl linker" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01337 a rdfs:Class ;
  rdfs:label "deamidated 4-methyl esterified asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to L-aspartate 4-methyl ester." ;
  rdfs:subClassOf obo:MOD_01369 .

obo:MOD_01280 a rdfs:Class ;
  rdfs:label "EDT-iodo-PEO-biotin - site T" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00490 , obo:MOD_00917 .

obo:MOD_01272 a rdfs:Class ;
  rdfs:label "iminobiotinylation - site K" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00467 , obo:MOD_01875 .

obo:MOD_00146 a rdfs:Class ;
  rdfs:label "tetrakis-L-cysteinyl diiron disulfide" ;
  rdfs:comment "A protein modification that effectively converts four L-cysteine residues and a two-iron two-sulfur cluster to tetrakis-L-cysteinyl diiron disulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 .

obo:MOD_01062 a rdfs:Class ;
  rdfs:label "carboxymethyl cysteinyl" ;
  rdfs:comment "OBSOLETE because duplicate and redundant with MOD:01061. Remap to MOD:01061" .

obo:MOD_00936 a rdfs:Class ;
  rdfs:label "Levuglandinyl - hydroxylactam adduct, K and N-term" ;
  rdfs:comment "modification from Unimod Post-translational" ;
  rdfs:subClassOf obo:MOD_00846 .

obo:MOD_00355 a rdfs:Class ;
  rdfs:label "O-(riboflavin phosphoryl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(riboflavin phosphoryl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01164 .

obo:MOD_00249 a rdfs:Class ;
  rdfs:label "L-cysteine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks two L-cysteine residues to form L-cysteine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02082 .

obo:MOD_00434 a rdfs:Class ;
  rdfs:label "hexosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a hexose sugar group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_01911 a rdfs:Class ;
  rdfs:label "monochlorinated residue" ;
  rdfs:comment "A protein modification that effectively substitutes one hydrogen atom of a residue with one chlorine atom." ;
  rdfs:subClassOf obo:MOD_00753 .

obo:MOD_01005 a rdfs:Class ;
  rdfs:label "t-butylsulfenyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01101 a rdfs:Class ;
  rdfs:label "S-Farnesyl-" ;
  rdfs:comment "OBSOLETE because erroneous and apparently redundant to MOD:00111. Remap to MOD:00111." .

obo:MOD_01549 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-116 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ8plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01526 .

obo:MOD_01295 a rdfs:Class ;
  rdfs:label "monosodium L-aspartate" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to monosodium L-aspartate." ;
  rdfs:subClassOf obo:MOD_00423 , obo:MOD_00904 .

obo:MOD_01605 a rdfs:Class ;
  rdfs:label "5-glutamyl 2-aminoadipic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to 5-glutamyl 2-aminoadipic acid." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_01730 a rdfs:Class ;
  rdfs:label "TMT6plex-127 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Proteome Sciences TMT6plex-127 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01717 , obo:MOD_01728 , obo:MOD_01875 .

obo:MOD_00615 a rdfs:Class ;
  rdfs:label "4-sulfophenyl isothiocyante modification to N-term R" ;
  rdfs:comment "OBSOLETE because entry Unimod:261 site N-term R was abandoned. Remap to MOD:00584" .

obo:MOD_00328 a rdfs:Class ;
  rdfs:label "O4'-(phospho-3'-DNA)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-tyrosine residue and the 3'-end of DNA through a phosphodiester bond to form O4'-(phospho-3'-DNA)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00750 , obo:MOD_00919 .

obo:MOD_00986 a rdfs:Class ;
  rdfs:label "(35)Cl and (37)Cl labeled 3',5'-dichlorotyrosine" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00987 .

obo:MOD_01764 a rdfs:Class ;
  rdfs:label "TMT6plex-131 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Proteome Sciences TMT6plex-131 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01717 , obo:MOD_01760 .

obo:MOD_01698 a rdfs:Class ;
  rdfs:label "alpha-amino trimethylated protonated-residue" ;
  rdfs:comment "A protein modification that effectively replaces an amino group with a trimethylaminium group." ;
  rdfs:subClassOf obo:MOD_00711 , obo:MOD_01460 .

obo:MOD_00469 a rdfs:Class ;
  rdfs:label "ESP-Tag heavy d10" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_01431 .

obo:MOD_01012 a rdfs:Class ;
  rdfs:label "oxidation of disulfide crosslink in cystine to two cysteic acids" ;
  rdfs:comment "A protein modification that effectively oxidizes the disulfide bond of a cystine crosslink to form two cysteic acid residues." ;
  rdfs:subClassOf obo:MOD_00675 .

obo:MOD_00484 a rdfs:Class ;
  rdfs:label "oxidized lysine biotinylated with biotin-LC-hydrazide, reduced" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00912 .

obo:MOD_01099 a rdfs:Class ;
  rdfs:label "succinyl beta-aspartyl anhydride" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to succinyl beta-aspartyl anhydride." ;
  rdfs:subClassOf obo:MOD_00904 .

obo:MOD_01326 a rdfs:Class ;
  rdfs:label "9x(13)C labeled L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 9x(13)C labeled L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00540 , obo:MOD_00919 .

obo:MOD_00818 a rdfs:Class ;
  rdfs:label "glycosylphosphatidylinositolated residue" ;
  rdfs:comment "A protein modification that effectively converts a residue to a glycosylphosphatidylinositolethanolamidated." ;
  rdfs:subClassOf obo:MOD_00764 , obo:MOD_00861 , obo:MOD_01155 .

obo:MOD_01893 a rdfs:Class ;
  rdfs:label "N6-malonyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-malonyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 .

obo:MOD_01008 a rdfs:Class ;
  rdfs:label "benzyl (Bzl) and benzyl ester (OBzl) modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a benzyl (phenylmethyl) group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00632 a rdfs:Class ;
  rdfs:label "N-succinimide" ;
  rdfs:comment "OBSOLETE because this chemical derivative modification from Unimod 321 is deprecated." .

obo:MOD_00300 a rdfs:Class ;
  rdfs:label "L-glutamyl-5-poly(ADP-ribose)" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-glutamyl-5-poly(ADP-ribose)." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_02087 .

obo:MOD_01868 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass differences that are nominally equal at 140.094963 Da" ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins of 140.094963 Da." .

obo:MOD_02064 a rdfs:Class ;
  rdfs:label "crosslinked D-serine residue" ;
  rdfs:comment "A protein modification that contains an D-serine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00202 .

obo:MOD_01900 a rdfs:Class ;
  rdfs:label "L-cysteine 5-methyloxazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-threonine residue to form L-cysteine 5-methyloxazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01422 , obo:MOD_02044 , obo:MOD_02082 .

obo:MOD_00467 a rdfs:Class ;
  rdfs:label "iminobiotinyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes an iminobiotinyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01194 a rdfs:Class ;
  rdfs:label "pyridyl thiol modified L-serine" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00586 , obo:MOD_00916 .

obo:MOD_02013 a rdfs:Class ;
  rdfs:label "N6-linoloyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-linoloyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02014 .

obo:MOD_00307 a rdfs:Class ;
  rdfs:label "L-aspartimide" ;
  rdfs:comment "A protein modification that effectively cyclizes an L-asparagine residue to form a carboxyl-terminal L-aspartimide." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00704 , obo:MOD_00903 .

obo:MOD_01351 a rdfs:Class ;
  rdfs:label "nitrated L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to a nitrated L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00461 , obo:MOD_00918 .

obo:MOD_02067 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-cysteine residue" ;
  rdfs:comment "A protein modification that contains an L-cysteine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_00095 a rdfs:Class ;
  rdfs:label "L-glutamine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to L-glutamine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00907 .

obo:MOD_01600 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-119 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex-119 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01593 .

obo:MOD_00081 a rdfs:Class ;
  rdfs:label "L-glutamic acid 5-methyl ester (Glu)" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-glutamate 5-methyl ester." ;
  rdfs:subClassOf obo:MOD_01453 .

obo:MOD_01040 a rdfs:Class ;
  rdfs:label "penicillamine residue" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with a penicillamine." ;
  rdfs:subClassOf obo:MOD_00850 .

obo:MOD_01232 a rdfs:Class ;
  rdfs:label "3x(12)C labeled N6-propanoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 3x(12)C labeled N6-propanoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00098 a rdfs:Class ;
  rdfs:label "L-histidine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to L-histidine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00909 .

obo:MOD_00968 a rdfs:Class ;
  rdfs:label "CM-Cys vs PAM-Cys" ;
  rdfs:comment "OBSOLETE because this isn't a protein modification, but rather the difference between two known modifications. modification from DeltaMass" .

obo:MOD_00074 a rdfs:Class ;
  rdfs:label "N-methyl-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to N-methyl-L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_01063 , obo:MOD_01680 .

obo:MOD_00637 a rdfs:Class ;
  rdfs:label "1x(13)C,3x(2)H labeled monomethylated L-arginine" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom of an L-arginine residue with a (13)C,3x(2)H labeled methyl group to form a 1x(13)C,3x(2)H labeled monomethylated L-arginine." ;
  rdfs:subClassOf obo:MOD_00839 , obo:MOD_00842 , obo:MOD_00902 .

obo:MOD_01128 a rdfs:Class ;
  rdfs:label "N-glycolneuraminic acid" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01539 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-114 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ8plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01535 , obo:MOD_01710 .

obo:MOD_00049 a rdfs:Class ;
  rdfs:label "2'-[3-carboxamido-3-(trimethylammonio)propyl]-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to diphthamide." ;
  rdfs:subClassOf obo:MOD_00909 .

obo:MOD_01311 a rdfs:Class ;
  rdfs:label "quaternary amine labeling reagent heavy form (+3amu) N6-L-lysine" ;
  rdfs:comment "A protein modification that effectively replaces a lysine N6-hydrogen with a quaternary amine reagent heavy (+3amu) form group." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01426 .

obo:MOD_00567 a rdfs:Class ;
  rdfs:label "histidine oxidation to asparagine" ;
  rdfs:comment "OBSOLETE because Unimod entry 244 is redundant with Unimod 348. Remap to MOD:00775." .

obo:MOD_00160 a rdfs:Class ;
  rdfs:label "N4-glycosyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to an N4-glycosyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00006 , obo:MOD_00903 .

obo:MOD_01521 a rdfs:Class ;
  rdfs:label "iTRAQ4plex reporter fragment" ;
  rdfs:comment "A protein modification reporter fragment produced by an Applied Biosystems iTRAQ4plex reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01520 .

obo:MOD_01760 a rdfs:Class ;
  rdfs:label "TMT6plex-131 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Proteome Sciences TMT6plex-131 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01715 .

obo:MOD_00520 a rdfs:Class ;
  rdfs:label "Hex1HexNAc2dHex1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01857 a rdfs:Class ;
  rdfs:label "2-(L-cystein-S-yl)-methionine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-methionine residue by a thioether bond to form 2-(L-cystein-S-yl)-methionine." ;
  rdfs:subClassOf obo:MOD_01992 , obo:MOD_02044 , obo:MOD_02052 .

obo:MOD_00648 a rdfs:Class ;
  rdfs:label "N,O-diacetylated L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to N,O-diacetyl-L-serine." ;
  rdfs:subClassOf obo:MOD_02080 .

obo:MOD_00619 a rdfs:Class ;
  rdfs:label "hydroxylethanone" ;
  rdfs:comment "OBSOLETE because entry 300 is redundant with Unimod 6 remap to MOD:01328" .

obo:MOD_00904 a rdfs:Class ;
  rdfs:label "modified L-aspartic acid residue" ;
  rdfs:comment "A protein modification that modifies an L-aspartic acid residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00063 a rdfs:Class ;
  rdfs:label "N-acetyl-L-valine" ;
  rdfs:comment "A protein modification that effectively converts an L-valine residue to N-acetyl-L-valine." ;
  rdfs:subClassOf obo:MOD_00920 , obo:MOD_01458 .

obo:MOD_02105 a rdfs:Class ;
  rdfs:label "L-2,5-dihydroxyphenylalanine (Phe)" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to L-2',5'-dihydroxyphenylalanine." ;
  rdfs:subClassOf obo:MOD_00428 , obo:MOD_00914 .

obo:MOD_01367 a rdfs:Class ;
  rdfs:label "fluorescein-5-thiosemicarbazide - site P" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00626 , obo:MOD_00915 .

obo:MOD_01638 a rdfs:Class ;
  rdfs:label "glycine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces a glycine." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01651 .

obo:MOD_01068 a rdfs:Class ;
  rdfs:label "halogenated tryptophan" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-tryptophan residue with a halogen atom." ;
  rdfs:subClassOf obo:MOD_00694 , obo:MOD_00918 .

obo:MOD_01415 a rdfs:Class ;
  rdfs:label "monohydroxylated isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to a monohydroxylated isoleucine." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_01414 .

obo:MOD_00235 a rdfs:Class ;
  rdfs:label "S-nitrosyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-nitrosyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_02077 .

obo:MOD_00419 a rdfs:Class ;
  rdfs:label "(R)-5-oxo-1,4-tetrahydrothiazine-3-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to (R)-5-oxo-1,4-tetrahydrothiazine-3-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00905 .

obo:MOD_02091 a rdfs:Class ;
  rdfs:label "O-(phospho-5'-adenosine)-L-serine" ;
  rdfs:comment "A protein modification that effectively modifies an L-serine residue with 5'-phosphoadenosine through a phosphodiester bond to form O-(phospho-5'-adenosine)-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01165 .

obo:MOD_01049 a rdfs:Class ;
  rdfs:label "halogenated histidine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydrogen atom of an L-histidine residue with a halogen atom." ;
  rdfs:subClassOf obo:MOD_00694 , obo:MOD_00909 .

obo:MOD_00388 a rdfs:Class ;
  rdfs:label "L-alanyl-pentaglycyl-murein peptidoglycan" ;
  rdfs:comment "A protein modification that effectively attaches an L-alanine residue to murein peptidoglycan by a pentaglycine linker peptide." ;
  rdfs:subClassOf obo:MOD_00901 , obo:MOD_01159 .

obo:MOD_01820 a rdfs:Class ;
  rdfs:label "isotope tagged sufhydryl reagent modified cysteine" ;
  rdfs:comment "A protein modification that effectively replaces a cysteine sulhydryl hydrogen with an isotope tagged sulfhydryl reagent group." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01426 .

obo:MOD_01452 a rdfs:Class ;
  rdfs:label "O-phosphopantetheine-L-serine with neutral loss of pantetheine" ;
  rdfs:comment "Covalent modification of a peptide or protein amino acid O-phosphopantetheine-L-serine with secondary neutral loss of pantetheine resulting in O-phospho-L-serine." ;
  rdfs:subClassOf obo:MOD_00431 , obo:MOD_00916 .

obo:MOD_01662 a rdfs:Class ;
  rdfs:label "N5-(ADP-ribosyl)-L-glutamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to N5-(ADP-ribosyl)-L-glutamine." ;
  rdfs:subClassOf obo:MOD_00752 , obo:MOD_00907 .

obo:MOD_01745 a rdfs:Class ;
  rdfs:label "TMT6plex-129 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Proteome Sciences TMT6plex-129 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01718 , obo:MOD_01744 .

obo:MOD_00737 a rdfs:Class ;
  rdfs:label "N-acetylneuraminylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with an N-acetylneuraminic acid (sialic acid) group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_01792 a rdfs:Class ;
  rdfs:label "phosphotyrosine immonium ion" ;
  rdfs:comment "A protein modification that effectively converts an N-terminal O4'-phospho-L-tyrosine residue to tyrosine immonium ion." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01527 .

obo:MOD_00915 a rdfs:Class ;
  rdfs:label "modified L-proline residue" ;
  rdfs:comment "A protein modification that modifies an L-proline residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01412 a rdfs:Class ;
  rdfs:label "dihydroxylated leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a dihydroxylated leucine." ;
  rdfs:subClassOf obo:MOD_00428 , obo:MOD_01410 .

obo:MOD_01966 a rdfs:Class ;
  rdfs:label "L-methionine (R)-sulfoxide" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00720. Remap to MOD:00720." .

obo:MOD_02076 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-arginine residue" ;
  rdfs:comment "A protein modification that contains an L-arginine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_00902 .

obo:MOD_00550 a rdfs:Class ;
  rdfs:label "EAPTA d0" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_01802 a rdfs:Class ;
  rdfs:label "N,N,N-trimethyl-L-serine (from L-serinium)" ;
  rdfs:comment "A protein modification that effectively converts an L-serinium (protonated L-serine) residue to an N,N,N-trimethyl-L-serine." ;
  rdfs:subClassOf obo:MOD_01687 .

obo:MOD_00258 a rdfs:Class ;
  rdfs:label "S-(2-aminovinyl)-3-methyl-D-cysteine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-threonine residue by a thioether bond to form S-(2-aminovinyl)-3-methyl-D-cysteine." ;
  rdfs:subClassOf obo:MOD_00687 , obo:MOD_02056 .

obo:MOD_01493 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-115 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Applied Biosystems iTRAQ4plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01492 , obo:MOD_01711 .

obo:MOD_00867 a rdfs:Class ;
  rdfs:label "L-cysteinyl-L-selenocysteine (Cys-Cys)" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-cysteine converted to an L-selenocysteine residue to form L-cysteinyl-L-selenocystine." ;
  rdfs:subClassOf obo:MOD_01627 .

obo:MOD_01651 a rdfs:Class ;
  rdfs:label "natural, standard, encoded residue removal" ;
  rdfs:comment "A protein modification that effectively removes a natural, standard, encoded residue." ;
  rdfs:subClassOf obo:MOD_00009 , obo:MOD_01156 .

obo:MOD_01961 a rdfs:Class ;
  rdfs:label "O-(L-isoglutamyl)-L-threonine (THR)" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:01785. Remap to MOD:01785." .

obo:MOD_01183 a rdfs:Class ;
  rdfs:label "L-selenocystine (oxidized selenocysteine) (Sec-Sec)" ;
  rdfs:comment "A protein modification that effectively cross-links two L-selenocysteine residues to form L-selenocystine," ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_01158 .

obo:MOD_00748 a rdfs:Class ;
  rdfs:label "pterin modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a pterin group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01449 a rdfs:Class ;
  rdfs:label "L-3,3-dihydroxyoalanine (Oxoalanine)" ;
  rdfs:comment "A protein modification that effectively converts an L-3-oxoalanine residue to L-3,3-dihydroxyoalanine." ;
  rdfs:subClassOf obo:MOD_01448 .

obo:MOD_01114 a rdfs:Class ;
  rdfs:label "triphenylmethyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01637 a rdfs:Class ;
  rdfs:label "L-glutamine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-glutamine." ;
  rdfs:subClassOf obo:MOD_00907 , obo:MOD_01651 .

obo:MOD_01560 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-117 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ8plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01556 , obo:MOD_01710 .

obo:MOD_02087 a rdfs:Class ;
  rdfs:label "adenosine diphosphoribosyl (ADP-ribosyl) modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with one or more ADP-ribose moieties or to modified residues through formation of a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00701 .

obo:MOD_01977 a rdfs:Class ;
  rdfs:label "O-(L-isoglutamyl)-L-serine" ;
  rdfs:comment "A protein modification that effectively crosslinks either an L-glutamine residue or an L-glutamic acid residue with an L-serine residue by an ester bond  to form O-(L-isoglutamyl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_00885 , obo:MOD_02055 .

obo:MOD_00856 a rdfs:Class ;
  rdfs:label "protonated L-alanine (L-alaninium) residue" ;
  rdfs:comment "A protein modification that effectively converts an L-alanine residue to an L-alaninium (protonated L-alanine)." ;
  rdfs:subClassOf obo:MOD_00901 , obo:MOD_01700 .

obo:MOD_01081 a rdfs:Class ;
  rdfs:label "delta-glycosyloxy- (of lysine) or beta-glycosyloxy- (of phenylalanine or tyrosine)" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_02104 a rdfs:Class ;
  rdfs:label "4-hydroxy-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively substitutes a hydroxy group at position 4 of L-phenylalanine" ;
  rdfs:subClassOf obo:MOD_00914 , obo:MOD_02116 .

obo:MOD_01283 a rdfs:Class ;
  rdfs:label "acrolein addition +56 - site K" ;
  rdfs:comment "OBSOLETE because this modification is not supported by the linked literature [PMT]" .

obo:MOD_01684 a rdfs:Class ;
  rdfs:label "palmitoylated-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to a palmitoylated-L-cysteine, such as N-palmitoyl-L-cysteine or S-palmitoyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01955 a rdfs:Class ;
  rdfs:label "L-alaninato bis-L-aspartato tris-L-glutamato L-histidino calcium tetramanganese pentoxide" ;
  rdfs:comment "modification from RESID" ;
  rdfs:subClassOf obo:MOD_00740 , obo:MOD_01482 , obo:MOD_02065 , obo:MOD_02066 , obo:MOD_02068 , obo:MOD_02070 .

obo:MOD_01244 a rdfs:Class ;
  rdfs:label "potassium L-glutamate" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamioc acid residue to the potassium glutamate salt." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01072 .

obo:MOD_01918 a rdfs:Class ;
  rdfs:label "(2S,5S)-5-hydroxylysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to (2S,5S)-5-hydroxylysine." ;
  rdfs:subClassOf obo:MOD_00037 .

obo:MOD_00445 a rdfs:Class ;
  rdfs:label "L-homoarginine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to L-homoarginine, such as reaction with O-methylisourea." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00912 .

obo:MOD_00351 a rdfs:Class ;
  rdfs:label "N-glycyl-1-(phosphatidyl)ethanolamine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-glycyl-1-(phosphatidyl)ethanolamine." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01155 .

obo:MOD_00488 a rdfs:Class ;
  rdfs:label "oxidized arginine biotinylated with biotin-LC-hydrazide" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00902 .

obo:MOD_00673 a rdfs:Class ;
  rdfs:label "methylated asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to a methylated asparagine, such as N4-methyl-L-asparagine, or N4,N4-dimethyl-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00903 .

obo:MOD_00979 a rdfs:Class ;
  rdfs:label "t-butyl ester (OtBu) and t-butyl (tBu)" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01076 a rdfs:Class ;
  rdfs:label "N-methyl arginyl" ;
  rdfs:comment "modification from DeltaMass - OBSOLETE because redundant and identical to MOD:00414. Remap to MOD:00414." .

obo:MOD_00712 a rdfs:Class ;
  rdfs:label "methylated proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to a methylated proline, such as N,N-dimethylproline." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00915 .

obo:MOD_01821 a rdfs:Class ;
  rdfs:label "cysTMT6plex reporter+balance reagent cysteine disulfide" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfhydryl hydrogen with a Thermo Scientific cysTMT6plex reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01820 .

obo:MOD_00216 a rdfs:Class ;
  rdfs:label "N6-formyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-formyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00409 , obo:MOD_01875 .

obo:MOD_01396 a rdfs:Class ;
  rdfs:label "5-hydroxy-3-methyl-L-proline (Pro)" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to a 5-hydroxy-3-methyl-L-proline." ;
  rdfs:subClassOf obo:MOD_00915 .

obo:MOD_01948 a rdfs:Class ;
  rdfs:label "labionin" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and two L-serine residues by a thioether bond and a carbon-carbon bond to form labionin." ;
  rdfs:subClassOf obo:MOD_01993 , obo:MOD_02055 .

obo:MOD_00485 a rdfs:Class ;
  rdfs:label "oxidized lysine biotinylated with biotin-LC-hydrazide" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00912 .

obo:MOD_00683 a rdfs:Class ;
  rdfs:label "dehydrogenated residue" ;
  rdfs:comment "A protein modification that effectively removes neutral hydrogen atoms (proton and electron) from a residue." ;
  rdfs:subClassOf obo:MOD_00675 .

obo:MOD_00153 a rdfs:Class ;
  rdfs:label "3'-(8alpha-FAD)-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to 3'-(8alpha-FAD)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00895 , obo:MOD_00909 .

obo:MOD_01871 a rdfs:Class ;
  rdfs:label "cyclized N-terminal S-carboxamidomethyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively cyclizes an S-carboxamidomethyl-L-cysteine residue to (R)-5-oxo-1,4-tetrahydrothiazine-3-carboxylic acid with the loss of ammonia." ;
  rdfs:subClassOf obo:MOD_01160 .

obo:MOD_01478 a rdfs:Class ;
  rdfs:label "4'-fluoro-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue into an 4'-fluoro-L-fluorophenylalanine." ;
  rdfs:subClassOf obo:MOD_01227 .

obo:MOD_00431 a rdfs:Class ;
  rdfs:label "modified residue with a secondary neutral loss" ;
  rdfs:comment "Covalent modification of, or a change resulting in an alteration of the measured molecular mass of, a peptide or protein amino acid residue with a secondary loss of a neutral molecular fragment." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_00272 a rdfs:Class ;
  rdfs:label "O-(phospho-5'-adenosine)-L-threonine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-threonine residue and 5'-phosphoadenosine through a phosphodiester bond to form O-(phospho-5'-adenosine)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01165 .

obo:MOD_00312 a rdfs:Class ;
  rdfs:label "S-myristoyl-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-myristoyl-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00655 , obo:MOD_00905 .

obo:MOD_01204 a rdfs:Class ;
  rdfs:label "prompt loss of methanethiol from oxidixed methionine" ;
  rdfs:comment "modification from Unimod Artifact -" ;
  rdfs:subClassOf obo:MOD_00913 .

obo:MOD_00618 a rdfs:Class ;
  rdfs:label "tryptophan carboxylation" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00918 , obo:MOD_01152 .

obo:MOD_00831 a rdfs:Class ;
  rdfs:label "N4-(N-acetylamino)glucosyl-L-asparagine" ;
  rdfs:comment "A protein modification that effectively converts an L-asparagine residue to N4-(N-acetylaminoglucosyl)-L-asparagine." ;
  rdfs:subClassOf obo:MOD_00448 , obo:MOD_01674 .

obo:MOD_01094 a rdfs:Class ;
  rdfs:label "N6-carboxymethyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-carboxymethyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00399 .

obo:MOD_01100 a rdfs:Class ;
  rdfs:label "HMP (hydroxymethylphenyl)/TFA adduct" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01009 a rdfs:Class ;
  rdfs:label "dehydrogenated proline" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00915 , obo:MOD_01888 .

obo:MOD_00012 a rdfs:Class ;
  rdfs:label "L-asparagine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an L-asparagine." ;
  rdfs:subClassOf obo:MOD_00859 , obo:MOD_01441 .

obo:MOD_01333 a rdfs:Class ;
  rdfs:label "6x(13)C labeled L-isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to 6x(13)C labeled L-isoleucine." ;
  rdfs:subClassOf obo:MOD_00544 .

obo:MOD_00182 a rdfs:Class ;
  rdfs:label "L-bromohistidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to L-bromohistidine." ;
  rdfs:subClassOf obo:MOD_01049 , obo:MOD_01912 .

obo:MOD_01860 a rdfs:Class ;
  rdfs:label "L-cysteine bacillithiol disulfide" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteine bacillithiol disulfide." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01862 .

obo:MOD_01542 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-115 reporter+balance reagent acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue with the Applied Biosystems iTRAQ8plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01428 , obo:MOD_01429 , obo:MOD_01526 .

obo:MOD_01889 a rdfs:Class ;
  rdfs:label "S-(2-succinyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(2-succinyl)-L-cysteine, by addition of either fumaric acid or maleic acid." ;
  rdfs:subClassOf obo:MOD_00001 , obo:MOD_00905 .

obo:MOD_00564 a rdfs:Class ;
  rdfs:label "Applied Biosystems iTRAQ(TM) multiplexed quantitation chemistry" ;
  rdfs:comment "Modification from Unimod Isotopic label. The Unimod term was extracted when it had not been approved. OBSOLETE because redundant to MOD:01505. Remap to MOD:01505, or one of the child terms MOD:01493 or MOD:01497." .

obo:MOD_01876 a rdfs:Class ;
  rdfs:label "4x(1)H,4x(12)C-labeled alpha-amino succinylated residue" ;
  rdfs:comment "OBSOLETE because identical to MOD:00457" .

obo:MOD_01606 a rdfs:Class ;
  rdfs:label "5-glutamyl 2-aminoadipic 6-phosphoric anhydride" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to 5-glutamyl 2-aminoadipic 6-phosphoric anhydride." ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_00906 .

obo:MOD_01594 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-113 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex-113 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01593 .

obo:MOD_02077 a rdfs:Class ;
  rdfs:label "nitrosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom with an nitrosyl (NO) group." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_00339 a rdfs:Class ;
  rdfs:label "L-cysteinyl hydrogenase diiron subcluster" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to L-cysteinyl hydrogenase diiron subcluster." ;
  rdfs:subClassOf obo:MOD_00738 , obo:MOD_02067 .

obo:MOD_02040 a rdfs:Class ;
  rdfs:label "crosslinked L-alanine residue" ;
  rdfs:comment "A protein modification that contains an L-alanine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00901 .

obo:MOD_00726 a rdfs:Class ;
  rdfs:label "glucosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a glucose group through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00693 .

obo:MOD_00265 a rdfs:Class ;
  rdfs:label "phycourobilin-bis-L-cysteine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between two cysteine residues and the tetrapyrrole compound phycourobilin." ;
  rdfs:subClassOf obo:MOD_00700 , obo:MOD_02044 .

obo:MOD_00845 a rdfs:Class ;
  rdfs:label "(18)O substituted residue" ;
  rdfs:comment "A protein modification that effectively substitutes one or more (18)O atoms for (16)O atoms." ;
  rdfs:subClassOf obo:MOD_00844 .

obo:MOD_01515 a rdfs:Class ;
  rdfs:label "modifications with monoisotopic mass differences that are nominally equal at a resolution below 0.000001 Da" ;
  rdfs:comment "Modifications that have monoisotopic mass differences from their respective origins that are nominally equal (sometimes called isobaric) at a resolution below 0.000001 Da." .

obo:MOD_01654 a rdfs:Class ;
  rdfs:label "N6-Dansyl derivatized lysine" ;
  rdfs:comment "A protein modification that is produced by reaction with 5-dimethylaminonaphthalene-1-sulfonyl chloride, dansyl chloride, to form N6-Dansyl-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01653 .

obo:MOD_00517 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1NeuAc1 glycosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a carbohydrate-like group composed of Hex1HexNAc1NeuAc1 linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00725 .

obo:MOD_00932 a rdfs:Class ;
  rdfs:label "IDBEST tag for quantitation" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01428 .

obo:MOD_01338 a rdfs:Class ;
  rdfs:label "N6-ethyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-ethyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01339 .

obo:MOD_01601 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-121 reporter fragment" ;
  rdfs:comment "The protein modification reporter fragment produced by an Applied Biosystems iTRAQ8plex-121 reagent derivatized residue." ;
  rdfs:subClassOf obo:MOD_01593 .

obo:MOD_01438 a rdfs:Class ;
  rdfs:label "S-[2-(pyridin-2-yl)ethyl]-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-[2-(pyridin-2-yl)ethyl]-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00424 .

obo:MOD_00578 a rdfs:Class ;
  rdfs:label "acetaldehyde +28" ;
  rdfs:comment "OBSOLETE because this modification not supported by any literature that I can find [PMT]" .

obo:MOD_01021 a rdfs:Class ;
  rdfs:label "thiocresyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_02051 a rdfs:Class ;
  rdfs:label "crosslinked L-lysine residue" ;
  rdfs:comment "A protein modification that contains an L-lysine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00912 .

obo:MOD_01199 a rdfs:Class ;
  rdfs:label "N-heptosyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to an N-heptosyl-L-arginine." ;
  rdfs:subClassOf obo:MOD_00925 .

obo:MOD_01016 a rdfs:Class ;
  rdfs:label "t-butyloxycarbonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00532 a rdfs:Class ;
  rdfs:label "Shimadzu 13CNBS" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_00053 a rdfs:Class ;
  rdfs:label "N-acetyl-L-glutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to N-acetyl-L-glutamic acid." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01458 .

obo:MOD_00309 a rdfs:Class ;
  rdfs:label "L-beta-carboxyaspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-beta-carboxyaspartic acid." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01152 .

obo:MOD_01149 a rdfs:Class ;
  rdfs:label "sumoylated lysine" ;
  rdfs:comment "A protein modification that effectively crosslinks the N6-amino of a peptidyl lysine with the carboxyl-terminal glycine of a sumo (Small Ubiquitin-related MOdifier) protein." ;
  rdfs:subClassOf obo:MOD_01875 , obo:MOD_02047 , obo:MOD_02051 .

obo:MOD_02090 a rdfs:Class ;
  rdfs:label "O-(phospho-5'-uridine)-L-threonine" ;
  rdfs:comment "A protein modification that effectively modifies an L-threonine residue with 5'-phosphouridine through a phosphodiester bond to form O-(phospho-5'-uridine)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00917 , obo:MOD_01166 .

obo:MOD_00694 a rdfs:Class ;
  rdfs:label "halogen containing residue" ;
  rdfs:comment "A protein modification that effectively substitutes a halogen atom for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01897 a rdfs:Class ;
  rdfs:label "5-hydroxy-3-methyl-L-proline (Ile)" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to 5-hydroxy-3-methyl-L-proline." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00679 , obo:MOD_00910 , obo:MOD_01905 .

obo:MOD_01385 a rdfs:Class ;
  rdfs:label "3-hydroxy-L-phenylalanine" ;
  rdfs:comment "A protein modification that effectively converts an L-phenylalanine residue to 3-hydroxy-L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00914 , obo:MOD_02116 .

obo:MOD_00947 a rdfs:Class ;
  rdfs:label "DeltaMass" ;
  rdfs:comment "Entries from DeltaMass see http://www.abrf.org/index.cfm/dm.home?AvgMass=all." ;
  rdfs:subClassOf obo:MOD_00032 .

obo:MOD_00926 a rdfs:Class ;
  rdfs:label "Bisphenol A diglycidyl ether derivative" ;
  rdfs:comment "Modification from Unimod Non-standard residue. OBSOLETE because not an amino acid modification. From Unimod not an approved entry." .

obo:MOD_01322 a rdfs:Class ;
  rdfs:label "propionaldehyde +40 - site K" ;
  rdfs:comment "OBSOLETE because not supported by the linked literature [PMT]. modification from Unimod Other -" .

obo:MOD_01355 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1NeuAc1 O-glycosylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3 hydrogen atom of a threonine residue with a carbohydrate-like group composed of Hex1HexNAc1NeuAc1 linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00005 , obo:MOD_00517 .

obo:MOD_00864 a rdfs:Class ;
  rdfs:label "tris-L-cysteinyl L-histidino diiron disulfide" ;
  rdfs:comment "A protein modification that effectively converts three L-cysteine residues, an L-histidine residue and a two-iron two-sulfur cluster to tris-L-cysteinyl L-histidino diiron disulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02070 .

obo:MOD_00629 a rdfs:Class ;
  rdfs:label "MDA adduct +62" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00912 .

obo:MOD_01749 a rdfs:Class ;
  rdfs:label "TMT6plex-129 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Proteome Sciences TMT6plex-129 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01744 , obo:MOD_02003 .

obo:MOD_00171 a rdfs:Class ;
  rdfs:label "N-seryl-glycosylphosphatidylinositolethanolamine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to N-seryl-glycosylphosphatidylinositolethanolamine." ;
  rdfs:subClassOf obo:MOD_00818 , obo:MOD_00916 .

obo:MOD_02010 a rdfs:Class ;
  rdfs:label "N-stearoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino group with a stearoylamino group." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_02001 .

obo:MOD_01701 a rdfs:Class ;
  rdfs:label "deprotonated residue" ;
  rdfs:comment "A protein modification that effectively removes a hydrogen cation, a proton, forming an anionic residue." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01925 a rdfs:Class ;
  rdfs:label "(2S,5R)-5-hydroxylysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to (2S,5R)-5-hydroxylysine." ;
  rdfs:subClassOf obo:MOD_00037 .

obo:MOD_00554 a rdfs:Class ;
  rdfs:label "APTA-d0 with no neutral loss" ;
  rdfs:comment "OBSOLETE because Unimod entry 202 was merged with entry 195, remap to MOD:00548. modification from Unimod Chemical derivative" .

obo:MOD_01933 a rdfs:Class ;
  rdfs:label "desmosine" ;
  rdfs:comment "A protein modification that effectively cross-links four L-lysine residues to form desmosine." ;
  rdfs:subClassOf obo:MOD_01425 , obo:MOD_02051 .

obo:MOD_01950 a rdfs:Class ;
  rdfs:label "L-isoglutamyl histamine" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamine residue to L-isoglutamyl histamine." ;
  rdfs:subClassOf obo:MOD_00907 .

obo:MOD_00463 a rdfs:Class ;
  rdfs:label "3'-hydroxy-L-kynurenine" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 3'-hydroxy-L-kynurenine." ;
  rdfs:subClassOf obo:MOD_00679 , obo:MOD_00918 .

obo:MOD_01215 a rdfs:Class ;
  rdfs:label "iodoacetamide derivatized aspartic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to O4-(carboxamidomethyl)aspartate." ;
  rdfs:subClassOf obo:MOD_00397 , obo:MOD_00904 .

obo:MOD_01494 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-115 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ4plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01492 , obo:MOD_01709 , obo:MOD_01875 .

obo:MOD_02073 a rdfs:Class ;
  rdfs:label "metal or metal cluster coordinated L-selenocysteine residue" ;
  rdfs:comment "A protein modification that contains an L-selenocysteine residue coordinated to one or more metal atoms or metal clusters." ;
  rdfs:subClassOf obo:MOD_01158 .

obo:MOD_01706 a rdfs:Class ;
  rdfs:label "isotope tagged reagent N-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with an isotope tagged reagent acyl group." ;
  rdfs:subClassOf obo:MOD_00670 .

obo:MOD_00091 a rdfs:Class ;
  rdfs:label "L-arginine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to L-arginine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00902 .

obo:MOD_01300 a rdfs:Class ;
  rdfs:label "reduced histidine 4-hydroxynonenal adduct" ;
  rdfs:comment "A protein modification produced by formation of an adduct of an L-histidine residue with 4-hydroxynonenal artificially reduced by a reagent such as NaBH4." ;
  rdfs:subClassOf obo:MOD_00642 , obo:MOD_00909 .

obo:MOD_00123 a rdfs:Class ;
  rdfs:label "N6-carboxy-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-carboxy-L-lysine." ;
  rdfs:subClassOf obo:MOD_00912 , obo:MOD_01152 .

obo:MOD_01188 a rdfs:Class ;
  rdfs:label "N-ethyl iodoacetamide-d5 - site Y" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00562 .

obo:MOD_00954 a rdfs:Class ;
  rdfs:label "crosslinked residues with loss of water" ;
  rdfs:comment "A protein modification that crosslinks two residues with a covalent bond and the loss of water." ;
  rdfs:subClassOf obo:MOD_00033 .

obo:MOD_01065 a rdfs:Class ;
  rdfs:label "hexose glycated N-terminal" ;
  rdfs:comment "A modification produced in a non-enzymatic reaction between a carbohydrate carbonyl group (C1 of aldohexose or C2 of fructose) and a protein N-terminal amino group to form a Schiff-base or an Amadori ketosamine  (or aminoketose) residue adduct." ;
  rdfs:subClassOf obo:MOD_00767 .

obo:MOD_01907 a rdfs:Class ;
  rdfs:label "dehydromethionine (from L-methioninium)" ;
  rdfs:comment "A protein modification that effectively converts an L-methioninium (protonated L-methionine) residue to dehydromethionine." ;
  rdfs:subClassOf obo:MOD_00601 , obo:MOD_00913 .

obo:MOD_00633 a rdfs:Class ;
  rdfs:label "bis-N-I-sulfonerahodamine" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_01883 a rdfs:Class ;
  rdfs:label "5-imidazolinone ring crosslinked residues (Cys)" ;
  rdfs:comment "A protein modification that crosslinks two residues by rearrangement and condensation of a cysteine with the carbonyl of the preceding residue to form a 5-imidazolinone ring." ;
  rdfs:subClassOf obo:MOD_00691 .

obo:MOD_00085 a rdfs:Class ;
  rdfs:label "N6-methyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-methyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00602 , obo:MOD_01683 .

obo:MOD_00514 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1dHex1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex Hex HexNAc" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00030 a rdfs:Class ;
  rdfs:label "N-formyl-L-methionine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to an N-formyl-L-methionine, a natural pretranslational modification." ;
  rdfs:subClassOf obo:MOD_00868 .

obo:MOD_02088 a rdfs:Class ;
  rdfs:label "natural, standard, encoded residue substitution" ;
  rdfs:comment "A protein modification that effectively replaces a natural, standard, encoded residue." ;
  rdfs:subClassOf obo:MOD_00009 , obo:MOD_01156 .

obo:MOD_01416 a rdfs:Class ;
  rdfs:label "dihydroxylated isoleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-isoleucine residue to a dihydroxylated isoleucine." ;
  rdfs:subClassOf obo:MOD_00428 , obo:MOD_01414 .

obo:MOD_00525 a rdfs:Class ;
  rdfs:label "Hex2HexNAc2Pent1 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01813 a rdfs:Class ;
  rdfs:label "morpholine-2-acetylated residue" ;
  rdfs:comment "A protein modification that effectively substitutes a morpholine-2-acetyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00649 , obo:MOD_00848 .

obo:MOD_00294 a rdfs:Class ;
  rdfs:label "bis-L-cysteinyl L-N3'-histidino L-serinyl tetrairon tetrasulfide" ;
  rdfs:comment "A protein modification that effectively converts two L-cysteine residues, an L-histidine residues, an L-serine residue and a four-iron four-sulfur cluster to bis-L-cysteinyl L-N3'-histidino L-serinyl tetrairon tetrasulfide." ;
  rdfs:subClassOf obo:MOD_00739 , obo:MOD_02067 , obo:MOD_02070 , obo:MOD_02072 .

obo:MOD_00227 a rdfs:Class ;
  rdfs:label "omega-N-phospho-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to omega-N-phospho-L-arginine." ;
  rdfs:subClassOf obo:MOD_00902 , obo:MOD_01456 .

obo:MOD_02095 a rdfs:Class ;
  rdfs:label "N6-glutaryl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-glutaryl-L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 .

obo:MOD_00964 a rdfs:Class ;
  rdfs:label "lysine epsilon amino to imine + 12 amu" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01456 a rdfs:Class ;
  rdfs:label "N-phosphorylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a residue amino or imino group with a phosphono group (H2PO3 or 'phosphate')." ;
  rdfs:subClassOf obo:MOD_00696 .

obo:MOD_00243 a rdfs:Class ;
  rdfs:label "L-cysteine oxazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-serine residue to form L-cysteine oxazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01421 , obo:MOD_02044 , obo:MOD_02082 .

obo:MOD_01340 a rdfs:Class ;
  rdfs:label "ESP-Tag heavy d10 - site K" ;
  rdfs:comment "modification from Unimod Isotopic label -" ;
  rdfs:subClassOf obo:MOD_00469 , obo:MOD_00912 .

obo:MOD_00604 a rdfs:Class ;
  rdfs:label "2x(2)H monomethylated L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 2x(2)H labeled monomethylated L-lysine." ;
  rdfs:subClassOf obo:MOD_00839 , obo:MOD_00912 .

obo:MOD_00900 a rdfs:Class ;
  rdfs:label "N-palmitoyl-S-(sn-1-2-oleoyl-3-palmitoyl-glycerol)cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-palmitoyl-S-(sn-1-2-oleoyl-3-palmitoyl-glycerol)cysteine." ;
  rdfs:subClassOf obo:MOD_00899 .

obo:MOD_01796 a rdfs:Class ;
  rdfs:label "1x(13)C,3x(2)H C(6)-labeled L-methionine sulfoxide" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue containing common isotopes to 1x(13)C,3x(2)H C(6)-labeled L-methionine sulfoxide." ;
  rdfs:subClassOf obo:MOD_00839 , obo:MOD_00913 .

obo:MOD_01780 a rdfs:Class ;
  rdfs:label "N6-(beta-lysyl)-L-5-hydroxylysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-(beta-lysyl)-L-5-hydroxylysine by formation of an isopeptide bond between the carboxyl group of a free beta-lysine and the N6-amino group of a peptidyl L-lysine." ;
  rdfs:subClassOf obo:MOD_01875 .

obo:MOD_00415 a rdfs:Class ;
  rdfs:label "phosphorylation without neutral loss" ;
  rdfs:comment "modification from Unimod - OBSOLETE because Unimod entry 22 is now merged with entry 21 remap to MOD:00696 'phosphorylated residue'." .

obo:MOD_02114 a rdfs:Class ;
  rdfs:label "5,7-Dihydroxytryptophan" ;
  rdfs:comment "A protein modification that converts an L-tryptophan residue to 5,7-Dihydroxytryptophan." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_00644 a rdfs:Class ;
  rdfs:label "mono O-acetylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl group with an acetoxy group." ;
  rdfs:subClassOf obo:MOD_00394 , obo:MOD_00671 .

obo:MOD_02029 a rdfs:Class ;
  rdfs:label "cis-peptidyl-L-proline" ;
  rdfs:comment "A protein modification that effectively specifies the boundary conformation of two adjacent source amino acid residues, the second (C-term side) being a L-proline, where the carbonyl group of the amide bond of the N-side of the L-proline is positioned such that the organodiyl group is in the cis orientation (omega=0)" ;
  rdfs:subClassOf obo:MOD_00915 .

obo:MOD_00455 a rdfs:Class ;
  rdfs:label "quaternary amine labeling reagent heavy form (+6amu) (N-term & K)" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a quaternary amine reagent heavy (+6amu) form group." ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_01575 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-119 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ8plex-119 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01570 , obo:MOD_01714 , obo:MOD_02003 .

obo:MOD_01363 a rdfs:Class ;
  rdfs:label "O4'-thiophospho-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to O4'-thiophospho-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00583 , obo:MOD_00919 .

obo:MOD_01583 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-121 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Applied Biosystems iTRAQ8plex-121 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01577 , obo:MOD_01714 , obo:MOD_02004 .

obo:MOD_01497 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-115 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ4plex-115 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01492 , obo:MOD_01713 , obo:MOD_02003 .

obo:MOD_01315 a rdfs:Class ;
  rdfs:label "4x(2)H labeled N6-succinyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 4x(2)H-labeled N6-succinyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00670 , obo:MOD_01426 .

obo:MOD_00254 a rdfs:Class ;
  rdfs:label "O4'-(phospho-5'-RNA)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-tyrosine residue and the 5'-end of RNA through a phosphodiester to form O4'-(phospho-5'-RNA)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00751 , obo:MOD_00919 .

obo:MOD_01806 a rdfs:Class ;
  rdfs:label "N,N-dimethyl-L-leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to N,N-dimethyl-L-leucine." ;
  rdfs:subClassOf obo:MOD_01686 , obo:MOD_01808 .

obo:MOD_01392 a rdfs:Class ;
  rdfs:label "L-asparagine 5-methylthiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-asparagine residue, and C-4 methylates to form L-asparagine 5-methylthiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02042 .

obo:MOD_01085 a rdfs:Class ;
  rdfs:label "alpha-N-gluconoylated L-histidine" ;
  rdfs:comment "A protein modification that effectively replaces the N-terminal hydrogen atom of a N-terminal histidine residue with a gluconoyl group linked through a glycosidic bond. modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00006 , obo:MOD_00909 .

obo:MOD_02057 a rdfs:Class ;
  rdfs:label "crosslinked L-tryptophan residue" ;
  rdfs:comment "A protein modification that contains an L-tryptophan residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00918 .

obo:MOD_01814 a rdfs:Class ;
  rdfs:label "L-cysteine 3-hydroxy-2,5-pyridinedicarboxylic acid" ;
  rdfs:comment "A protein modification that effectively cross-links a cysteine and two serine residues to form L-cysteine 3-hydroxy-2,5-pyridinedicarboxylic acid." ;
  rdfs:subClassOf obo:MOD_01425 , obo:MOD_02044 , obo:MOD_02055 .

obo:MOD_00705 a rdfs:Class ;
  rdfs:label "D-valine" ;
  rdfs:comment "A protein modification that effectively converts an L-valine residue to D-valine." ;
  rdfs:subClassOf obo:MOD_00664 .

obo:MOD_01171 a rdfs:Class ;
  rdfs:label "O-acetyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-acetyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00644 , obo:MOD_01186 .

obo:MOD_00380 a rdfs:Class ;
  rdfs:label "L-aspartyl molybdenum bis(molybdopterin guanine dinucleotide)" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to L-aspartyl molybdenum bis(molybdopterin guanine dinucleotide)." ;
  rdfs:subClassOf obo:MOD_01167 , obo:MOD_02066 .

obo:MOD_00722 a rdfs:Class ;
  rdfs:label "monomethylated L-glutamine" ;
  rdfs:comment "A protein modification that effectively replaces one hydrogen atom of an L-glutamine residue with one methyl group." ;
  rdfs:subClassOf obo:MOD_00599 , obo:MOD_00659 .

obo:MOD_00806 a rdfs:Class ;
  rdfs:label "O-(N-acetylamino)glucosyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O3-(N-acetylaminoglucosyl)-L-threonine." ;
  rdfs:subClassOf obo:MOD_00448 , obo:MOD_01676 .

obo:MOD_00796 a rdfs:Class ;
  rdfs:label "L-ornithine (Arg)" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to L-ornithine." ;
  rdfs:subClassOf obo:MOD_00902 .

obo:MOD_00365 a rdfs:Class ;
  rdfs:label "N-(L-isoglutamyl)-glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-glutamic acid residue and a glycine residue by an isopeptide bond to form N-(L-isoglutamyl)-glycine." ;
  rdfs:subClassOf obo:MOD_00688 , obo:MOD_00954 , obo:MOD_02045 , obo:MOD_02047 .

obo:MOD_01166 a rdfs:Class ;
  rdfs:label "uridylated residue" ;
  rdfs:comment "A protein modification that effectively crosslinks an amino acid residue and 5'-phosphouridine through either a phosphodiester or a phosphoramide bond." ;
  rdfs:subClassOf obo:MOD_00701 .

obo:MOD_02111 a rdfs:Class ;
  rdfs:label "(2S,4S)-5-hydroxyleucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a (2S,4S)-5-hydroxyleucine." ;
  rdfs:subClassOf obo:MOD_01411 .

obo:MOD_01504 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-116 reporter+balance reagent O3-acylated serine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a serine residue with the Applied Biosystems iTRAQ4plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01499 , obo:MOD_01713 , obo:MOD_02003 .

obo:MOD_00662 a rdfs:Class ;
  rdfs:label "methylated leucine" ;
  rdfs:comment "A protein modification that effectively converts an L-leucine residue to a methylated leucine, either N-methylleucine, or leucine methyl ester." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00911 .

obo:MOD_00009 a rdfs:Class ;
  rdfs:label "natural residue" ;
  rdfs:comment "A protein modification that removes a residue, or inserts or replaces a residue with a natural, standard or nonstandard, encoded residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01610 a rdfs:Class ;
  rdfs:label "L-threonine methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to L-threonine methyl ester." ;
  rdfs:subClassOf obo:MOD_01689 , obo:MOD_01803 .

<https://w3id.org/linkml/Any> a rdfs:Class ;
  rdfs:comment "An unconstrained type or object" .

obo:MOD_01467 a rdfs:Class ;
  rdfs:label "menadione quinone derivative - site K" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00621 , obo:MOD_00912 .

obo:MOD_01160 a rdfs:Class ;
  rdfs:label "deaminated residue" ;
  rdfs:comment "A protein modification that effectively results in the loss of an ammonia, usually by a process of vicinal dehydration, rearrangement, and rehydration with release of ammonia, resulting in a loss of nitrogen with no gain of oxygen." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01474 a rdfs:Class ;
  rdfs:label "O-[S-(carboxymethyl)phosphopantetheine]-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-[S-(carboxymethyl)phosphopantetheine]-L-serine." ;
  rdfs:subClassOf obo:MOD_00861 , obo:MOD_00916 .

obo:MOD_01553 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-116 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Applied Biosystems iTRAQ8plex-116 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01549 , obo:MOD_01710 .

obo:MOD_01944 a rdfs:Class ;
  rdfs:label "2-aminosuccinimide ring crosslinked residues" ;
  rdfs:comment "A protein modification that forms (2-aminosuccinimidyl)acetic acid by crosslinking either an aspartic acid residue or an asparagine residue with the following residue." ;
  rdfs:subClassOf obo:MOD_00033 , obo:MOD_00859 .

obo:MOD_02061 a rdfs:Class ;
  rdfs:label "crosslinked L-selenocysteine residue" ;
  rdfs:comment "A protein modification that contains an L-selenocysteine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_01158 .

obo:MOD_00716 a rdfs:Class ;
  rdfs:label "methylated methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to a methylated methionine, such as N-methyl-L-methionine." ;
  rdfs:subClassOf obo:MOD_00427 , obo:MOD_00913 .

obo:MOD_00109 a rdfs:Class ;
  rdfs:label "L-valine amide" ;
  rdfs:comment "A protein modification that effectively converts an L-valine residue to L-valine amide." ;
  rdfs:subClassOf obo:MOD_00883 , obo:MOD_00920 .

obo:MOD_00276 a rdfs:Class ;
  rdfs:label "heme P460-bis-L-cysteine-L-lysine" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct between two cysteine residues, a lysine residue, and the porphyrin compound heme b, (7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)iron." ;
  rdfs:subClassOf obo:MOD_00699 , obo:MOD_02067 , obo:MOD_02074 .

obo:MOD_00452 a rdfs:Class ;
  rdfs:label "alpha-amino 3x(13)C-labeled propanoylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a 3x(13)C-labeled propanoyl group." ;
  rdfs:subClassOf obo:MOD_01426 , obo:MOD_01428 .

obo:MOD_01825 a rdfs:Class ;
  rdfs:label "cysTMT6plex-128 reporter+balance reagent cysteine disulfide" ;
  rdfs:comment "A protein modification that effectively replaces a residue sulfhydryl hydrogen with a Thermo Scientific cysTMT6plex-128 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01821 .

obo:MOD_01208 a rdfs:Class ;
  rdfs:label "copper(1+) carboxylate C-terminal residue" ;
  rdfs:comment "A protein modification that effectively converts a C-terminal residue to the copper(1+) carboxylate salt." ;
  rdfs:subClassOf obo:MOD_00742 .

obo:MOD_01427 a rdfs:Class ;
  rdfs:label "2-aminobutanoic acid (Abu)" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:00819. Remap to MOD:00819." .

obo:MOD_01090 a rdfs:Class ;
  rdfs:label "iodoacetamide derivatized amino-terminal residue" ;
  rdfs:comment "A protein modification that by reaction of iodoacetamide effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with a carboxamidomethyl group." ;
  rdfs:subClassOf obo:MOD_00397 .

obo:MOD_01832 a rdfs:Class ;
  rdfs:label "5x(13)C-labeled residue" ;
  rdfs:comment "A protein modification that effectively converts a residue containing common isotopes to a 5x(13)C-labeled residue." ;
  rdfs:subClassOf obo:MOD_00842 .

obo:MOD_01119 a rdfs:Class ;
  rdfs:label "S-geranylgeranyl-L-cysteine methyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-geranylgeranyl-L-cysteine methyl ester." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01538 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-114 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ8plex-114 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01535 , obo:MOD_01714 .

obo:MOD_01434 a rdfs:Class ;
  rdfs:label "4-hydroxy-L-glutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to a 4-hydroxy-L-glutamic acid." ;
  rdfs:subClassOf obo:MOD_00425 , obo:MOD_00906 .

obo:MOD_01121 a rdfs:Class ;
  rdfs:label "monomethoxytrityl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_00506 a rdfs:Class ;
  rdfs:label "N-linked glycan core N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, Hex(5) HexNAc(2)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_01586 a rdfs:Class ;
  rdfs:label "O-glycyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-threonine residue and a glycine residue by an ester bond to form O-glycyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00885 , obo:MOD_00917 , obo:MOD_00954 , obo:MOD_02047 .

obo:MOD_00120 a rdfs:Class ;
  rdfs:label "meso-lanthionine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-serine residue by a thioether bond to form meso-lanthionine." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01841 , obo:MOD_02055 .

obo:MOD_01766 a rdfs:Class ;
  rdfs:label "TMT6plex-131 reporter+balance reagent O3-acylated threonine" ;
  rdfs:comment "A protein modification that effectively replaces an O3-hydrogen atom of a threonine residue with the Proteome Sciences TMT6plex-131 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01719 , obo:MOD_01760 , obo:MOD_02004 .

obo:MOD_00261 a rdfs:Class ;
  rdfs:label "O4'-(phospho-5'-uridine)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-tyrosine residue and 5'-phosphouridine through a phosphodiester bond to form O4'-(phospho-5'-uridine)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01166 .

obo:MOD_01448 a rdfs:Class ;
  rdfs:label "L-3,3-dihydroxyoalanine" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-3,3-dihydroxyoalanine." ;
  rdfs:subClassOf obo:MOD_00859 .

obo:MOD_00976 a rdfs:Class ;
  rdfs:label "potassium salt" ;
  rdfs:comment "modification from DeltaMass - OBSOLETE because redundant and identical to MOD:01072. Remap to MOD:01072." .

obo:MOD_01999 a rdfs:Class ;
  rdfs:label "N6-(11-cis)-retinylidene-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-retinylidene-(11-cis)-L-lysine." ;
  rdfs:subClassOf obo:MOD_02000 .

obo:MOD_02035 a rdfs:Class ;
  rdfs:label "dHex1Hex6HexNAc3 N4-glycosylated asparagine" ;
  rdfs:comment "modification from Unimod N-linked glycosylation, dHex Hex(6) HexNAc(3)" ;
  rdfs:subClassOf obo:MOD_00160 , obo:MOD_00725 .

obo:MOD_00849 a rdfs:Class ;
  rdfs:label "potassium containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a potassium atom for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_00886 a rdfs:Class ;
  rdfs:label "6'-chloro-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to 6'-chloro-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_01913 .

obo:MOD_00930 a rdfs:Class ;
  rdfs:label "propyl-NAG tyrosine adduct" ;
  rdfs:comment "tyrosine adduct with substrate analog inhibitor 1,2-dideoxy-2'-methyl-alpha-D-glucopyranoso-[2,1-d]-Delta2'-thiazoline." ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00919 .

obo:MOD_01482 a rdfs:Class ;
  rdfs:label "calcium containing modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a calcium atom or a cluster containing calcium for hydrogen atoms, or that coordinates a calcium ion." ;
  rdfs:subClassOf obo:MOD_00698 .

obo:MOD_01724 a rdfs:Class ;
  rdfs:label "TMT6plex-126 reporter+balance reagent N'-acylated histidine" ;
  rdfs:comment "A protein modification that effectively replaces an N'-hydrogen atom of a histidine residue with the Proteome Sciences TMT6plex-126 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00909 , obo:MOD_01717 , obo:MOD_01720 .

obo:MOD_01738 a rdfs:Class ;
  rdfs:label "TMT6plex-128 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Proteome Sciences TMT6plex-128 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01717 , obo:MOD_01736 , obo:MOD_01875 .

obo:MOD_00960 a rdfs:Class ;
  rdfs:label "decarboxylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a carboxylic acid group with a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:MOD_01045 a rdfs:Class ;
  rdfs:label "3',5'-dichloro-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively converts an L-tyrosine residue to 3',5'-dichloro-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01037 .

obo:MOD_01707 a rdfs:Class ;
  rdfs:label "isotope tagged reagent O-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl group with an isotope tagged reagent acyloxy group." ;
  rdfs:subClassOf obo:MOD_00671 .

obo:MOD_01785 a rdfs:Class ;
  rdfs:label "O-(L-isoglutamyl)-L-threonine (active site intermediate)" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-(L-isoglutamyl)-L-threonine, using free L-glutamine and releasing ammonia." ;
  rdfs:subClassOf obo:MOD_00671 , obo:MOD_01979 .

obo:MOD_00373 a rdfs:Class ;
  rdfs:label "3'-(O4'-L-tyrosinyl)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively cross-links L-tyrosine residues with an ether bond to form 3'-(O4'-L-tyrosinyl)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02058 .

obo:MOD_00918 a rdfs:Class ;
  rdfs:label "modified L-tryptophan residue" ;
  rdfs:comment "A protein modification that modifies an L-tryptophan residue." ;
  rdfs:subClassOf obo:MOD_01157 .

obo:MOD_01687 a rdfs:Class ;
  rdfs:label "alpha-amino trimethylated residue" ;
  rdfs:comment "A protein modification that effectively replaces an alpha-aminium group with a trimethylaminium group." ;
  rdfs:subClassOf obo:MOD_00430 , obo:MOD_01460 .

obo:MOD_00582 a rdfs:Class ;
  rdfs:label "6x(13)C,2x(15)N labeled L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to 6x(13)C,2x(15)N labeled L-lysine." ;
  rdfs:subClassOf obo:MOD_00842 , obo:MOD_00843 , obo:MOD_00912 .

obo:MOD_01719 a rdfs:Class ;
  rdfs:label "TMT6plex reporter+balance reagent O-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue hydroxyl with one of the Proteome Sciences TMT6plex reagent reporter+balance acyloxy groups." ;
  rdfs:subClassOf obo:MOD_01707 .

obo:MOD_00503 a rdfs:Class ;
  rdfs:label "N-(cis-delta 5)-tetradecaenoylglycine" ;
  rdfs:comment "A protein modification that effectively converts a glycine residue to N-(cis-delta 5)-tetradecaenoylglycine." ;
  rdfs:subClassOf obo:MOD_00908 , obo:MOD_01696 .

obo:MOD_00892 a rdfs:Class ;
  rdfs:label "D-serine (Cys)" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to D-serine." ;
  rdfs:subClassOf obo:MOD_00891 , obo:MOD_00905 .

obo:MOD_01835 a rdfs:Class ;
  rdfs:label "5x(13)C-labeled L-methionine sulfone" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue containing common isotopes to 5x(13)C-labeled L-methionine sulfone." ;
  rdfs:subClassOf obo:MOD_01832 .

obo:MOD_00086 a rdfs:Class ;
  rdfs:label "N6-palmitoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-palmitoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00651 , obo:MOD_01875 .

obo:MOD_00622 a rdfs:Class ;
  rdfs:label "cysteine mercaptoethanol" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00905 .

obo:MOD_01621 a rdfs:Class ;
  rdfs:label "flavin crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two or more amino acid residues by forming an adduct with a compound containing a flavin group." ;
  rdfs:subClassOf obo:MOD_00033 , obo:MOD_00697 .

obo:MOD_01774 a rdfs:Class ;
  rdfs:label "N6-octanoyl-L-lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to N6-octanoyl-L-lysine." ;
  rdfs:subClassOf obo:MOD_00666 , obo:MOD_01875 .

obo:MOD_00391 a rdfs:Class ;
  rdfs:label "O-octanoyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an L-threonine residue to O-octanoyl-L-threonine." ;
  rdfs:subClassOf obo:MOD_00669 , obo:MOD_02004 .

obo:MOD_00943 a rdfs:Class ;
  rdfs:label "4-trimethylammoniumbutanoyl derivatized residue" ;
  rdfs:comment "modification from Unimod Isotopic label" ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00213 a rdfs:Class ;
  rdfs:label "chondroitin sulfate D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl-L-serine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-serine residue to the polymer chondroitin sulfate by a D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl tetrasaccharide." ;
  rdfs:subClassOf obo:MOD_00002 .

obo:MOD_01032 a rdfs:Class ;
  rdfs:label "benzyloxymethyl modified residue" ;
  rdfs:comment "A protein modification that effectively substitutes a benzyloxymethyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_00785 a rdfs:Class ;
  rdfs:label "N2-acetyl-L-tryptophan" ;
  rdfs:comment "A protein modification that effectively converts an L-tryptophan residue to N2-acetyl-L-tryptophan." ;
  rdfs:subClassOf obo:MOD_00918 , obo:MOD_01458 .

obo:MOD_00803 a rdfs:Class ;
  rdfs:label "3-(S-L-cysteinyl)-L-tyrosine" ;
  rdfs:comment "A protein modification that effectively cross-links an L-cysteine residue and an L-tyrosine residue by a thioether bond to form 3-(S-L-cysteinyl)-L-tyrosine." ;
  rdfs:subClassOf obo:MOD_01993 , obo:MOD_02058 .

obo:MOD_00543 a rdfs:Class ;
  rdfs:label "bis(hydroxyphenylglyoxal) arginine" ;
  rdfs:comment "modification from Unimod Chemical derivative" ;
  rdfs:subClassOf obo:MOD_00848 , obo:MOD_00902 .

obo:MOD_00340 a rdfs:Class ;
  rdfs:label "S-amidino-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-amidino-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 .

obo:MOD_01969 a rdfs:Class ;
  rdfs:label "S-(gamma-glutamyl-cysteinyl-glycyl)-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(gamma-glutamyl-cysteinyl-glycyl)-cysteine." ;
  rdfs:subClassOf obo:MOD_00860 , obo:MOD_00905 .

obo:MOD_00034 a rdfs:Class ;
  rdfs:label "L-cystine (cross-link)" ;
  rdfs:comment "A protein modification that effectively cross-links two L-cysteine residues to form L-cystine." ;
  rdfs:subClassOf obo:MOD_00689 .

obo:MOD_02084 a rdfs:Class ;
  rdfs:label "6-FMN modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a riboflavin phosphate (flavin mononucleotide, FMN) group through the 6 position of FMN." ;
  rdfs:subClassOf obo:MOD_00896 .

obo:MOD_00687 a rdfs:Class ;
  rdfs:label "thioether crosslinked residues" ;
  rdfs:comment "A protein modification that crosslinks two residues by formation of a thioether bond between a cysteine thiol and either an alkyl C as in lanthionine, or an aryl C as 2'-(S-cysteinyl)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00033 , obo:MOD_02044 .

obo:MOD_00250 a rdfs:Class ;
  rdfs:label "L-lysine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-lysine residue to form L-lysine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02051 , obo:MOD_02082 .

obo:MOD_00295 a rdfs:Class ;
  rdfs:label "O-octanoyl-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-octanoyl-L-serine." ;
  rdfs:subClassOf obo:MOD_00669 , obo:MOD_02003 .

obo:MOD_00820 a rdfs:Class ;
  rdfs:label "2-imino-alanine 5-imidazolinone glycine" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-aspartic acid residue and a glycine residue to form 2-imino-alanine 5-imidazolinone glycine." ;
  rdfs:subClassOf obo:MOD_01882 , obo:MOD_02043 , obo:MOD_02047 .

obo:MOD_00971 a rdfs:Class ;
  rdfs:label "2-Oxohistidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to 2-oxohistidine." ;
  rdfs:subClassOf obo:MOD_00677 , obo:MOD_00909 .

obo:MOD_00301 a rdfs:Class ;
  rdfs:label "O-(N-acetylglucosamine-1-phosphoryl)-L-serine" ;
  rdfs:comment "A protein modification that effectively converts an L-serine residue to O-(N-acetylglucosamine-1-phosphoryl)-L-serine." ;
  rdfs:subClassOf obo:MOD_00916 , obo:MOD_01804 .

obo:MOD_00958 a rdfs:Class ;
  rdfs:label "crosslink between Arg and His sidechains" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00692 .

obo:MOD_01809 a rdfs:Class ;
  rdfs:label "5x(13)C,1x(15)N labeled residue" ;
  rdfs:comment "A protein modification that effectively converts a residue containing common isotopes to a 5x(13)C,1x(15)N labeled residue." ;
  rdfs:subClassOf obo:MOD_00842 , obo:MOD_00843 .

obo:MOD_01027 a rdfs:Class ;
  rdfs:label "t-amyloxycarbonyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01344 a rdfs:Class ;
  rdfs:label "dehydrogenated residue - site S" ;
  rdfs:comment "OBSOLETE because redundant and identical with MOD:00835. Remap to MOD:00835." .

obo:MOD_00041 a rdfs:Class ;
  rdfs:label "L-gamma-carboxyglutamic acid" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-gamma-carboxyglutamic acid." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01152 .

obo:MOD_01407 a rdfs:Class ;
  rdfs:label "L-phenylalanine thiazoline-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and an L-phenylalanine residue to form L-phenylalanine thiazoline-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00954 , obo:MOD_01420 , obo:MOD_02053 .

obo:MOD_00246 a rdfs:Class ;
  rdfs:label "glycine thiazole-4-carboxylic acid" ;
  rdfs:comment "A protein modification that effectively crosslinks an L-cysteine residue and a glycine residue to form glycine thiazole-4-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_01420 , obo:MOD_02047 , obo:MOD_02082 .

obo:MOD_00774 a rdfs:Class ;
  rdfs:label "residues isobaric at 243.02-243.03 Da" ;
  rdfs:comment "Natural or modified residues with a mass of 243.02-243.03 Da." .

obo:MOD_00560 a rdfs:Class ;
  rdfs:label "acrolein addition +112" ;
  rdfs:comment "OBSOLETE because this modification not supported by any literature that I can find[PMT]" .

obo:MOD_00528 a rdfs:Class ;
  rdfs:label "Hex1HexNAc1NeuAc2 glycosylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of an amino acid residue or of a modifying group with a carbohydrate-like group composed of Hex1HexNAc1NeuAc2 linked through a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_00725 .

obo:MOD_02046 a rdfs:Class ;
  rdfs:label "crosslinked L-glutamine residue" ;
  rdfs:comment "A protein modification that contains an L-glutamine residue crosslinked to one or more amino acid residues." ;
  rdfs:subClassOf obo:MOD_00907 .

obo:MOD_01035 a rdfs:Class ;
  rdfs:label "chlorobenzyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01038 a rdfs:Class ;
  rdfs:label "norleucine (Nle)" ;
  rdfs:comment "OBSOLETE because this represents a free amino acid and the corresponding residue is MOD:01026." .

obo:MOD_00870 a rdfs:Class ;
  rdfs:label "phenyl isocyanate derivatized residue" ;
  rdfs:comment "A protein modification produced by formation of an adduct with phenyl isocyanate." ;
  rdfs:subClassOf obo:MOD_00840 .

obo:MOD_01089 a rdfs:Class ;
  rdfs:label "xanthyl" ;
  rdfs:comment "modification from DeltaMass" ;
  rdfs:subClassOf obo:MOD_00947 .

obo:MOD_01304 a rdfs:Class ;
  rdfs:label "N6-hexosaminylated lysine" ;
  rdfs:comment "A protein modification that effectively converts an L-lysine residue to an N4-hexosaminyl-L-lysine, as a synthetic peptide protectting group." ;
  rdfs:subClassOf obo:MOD_00876 , obo:MOD_00912 .

obo:MOD_01177 a rdfs:Class ;
  rdfs:label "1'-(1,2,3-trihydroxyprop-2-yl)-L-histidine" ;
  rdfs:comment "A protein modification that effectively converts an L-histidine residue to 1'-(1,2,3-trihydroxyprop-2-yl)-L-histidine." ;
  rdfs:subClassOf obo:MOD_00909 .

obo:MOD_00023 a rdfs:Class ;
  rdfs:label "L-phenylalanine residue" ;
  rdfs:comment "A protein modification that effectively converts a source amino acid residue to L-phenylalanine." ;
  rdfs:subClassOf obo:MOD_01441 .

obo:MOD_00792 a rdfs:Class ;
  rdfs:label "deuterium monosubstituted residue" ;
  rdfs:comment "A protein modification that effectively substitutes one (2)H deuterium atom for one (1)H protium atom." ;
  rdfs:subClassOf obo:MOD_00786 .

obo:MOD_02025 a rdfs:Class ;
  rdfs:label "5-glutaminyl glutamic acid" ;
  rdfs:comment "A protein modification that effectively converts the alpha amino group of a glutamine residue to glutaminyl glutamic acid by forming an isopeptide bond with the side chain carboxyl group of a free glutamic acid." ;
  rdfs:subClassOf obo:MOD_00906 .

obo:MOD_01729 a rdfs:Class ;
  rdfs:label "TMT6plex-127 reporter+balance reagent acylated N-terminal" ;
  rdfs:comment "A protein modification that effectively replaces a hydrogen atom of a protein N-terminal with the Proteome Sciences TMT6plex-127 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01718 , obo:MOD_01728 .

obo:MOD_01665 a rdfs:Class ;
  rdfs:label "N-(DNA-1',2'-dideoxyribos-1'-ylidene)-L-valine" ;
  rdfs:comment "A protein modification that effectively crosslinks an N-terminal L-valine residue and a strand of DNA at the C-1 of a ribose, freeing the nucleotide base and forming N-(DNA-1',2'-dideoxyribos-1'-ylidene)-L-valine." ;
  rdfs:subClassOf obo:MOD_00750 , obo:MOD_00920 .

obo:MOD_00600 a rdfs:Class ;
  rdfs:label "L-glutamic acid 5-ethyl ester" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to L-glutamate 5-ethyl ester." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01339 .

obo:MOD_01717 a rdfs:Class ;
  rdfs:label "TMT6plex reporter+balance reagent N-acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue amino- or imino-hydrogen with a Proteome Sciences TMT6plex reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01706 .

obo:MOD_01441 a rdfs:Class ;
  rdfs:label "natural, standard, encoded residue" ;
  rdfs:comment "A protein modification that inserts or replaces a residue with a natural, standard, encoded residue." ;
  rdfs:subClassOf obo:MOD_00009 .

obo:MOD_01426 a rdfs:Class ;
  rdfs:label "isotope tagged reagent derivatized residue" ;
  rdfs:comment "A protein modification that forms an adduct with a particular isotope labeled compound used as a reagent." ;
  rdfs:subClassOf obo:MOD_00848 .

obo:MOD_01219 a rdfs:Class ;
  rdfs:label "Sulfanilic Acid (SA), heavy C13 - site D" ;
  rdfs:comment "modification from Unimod Chemical derivative -" ;
  rdfs:subClassOf obo:MOD_00606 .

obo:MOD_00929 a rdfs:Class ;
  rdfs:label "lactose glycated lysine" ;
  rdfs:comment "A modification produced in a non-enzymatic reaction between a lactose carbonyl group and an L-lysine to form a Schiff-base or an Amadori ketosamine lysine adduct." ;
  rdfs:subClassOf obo:MOD_00767 , obo:MOD_00912 .

obo:MOD_01632 a rdfs:Class ;
  rdfs:label "L-arginine removal" ;
  rdfs:comment "A protein modification that effectively removes or replaces an L-arginine." ;
  rdfs:subClassOf obo:MOD_00902 , obo:MOD_01651 .

obo:MOD_01921 a rdfs:Class ;
  rdfs:label "D-aspartic acid (Asp)" ;
  rdfs:comment "A protein modification that effectively converts an L-aspartic acid residue to D-aspartic acid." ;
  rdfs:subClassOf obo:MOD_00904 , obo:MOD_01942 .

obo:MOD_00238 a rdfs:Class ;
  rdfs:label "5'-(N6-L-lysine)-L-topaquinone" ;
  rdfs:comment "A protein modification that effectively cross-links an L-lysine residue and an L-tyrosine residue by a carbon-nitrogen bond to form 5'-(N6-L-lysine)-L-topaquinone." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02051 , obo:MOD_02058 .

obo:MOD_01374 a rdfs:Class ;
  rdfs:label "(2S,4R)-5-oxoleucine" ;
  rdfs:comment "A modification that effectively oxygenates C5 of an L-leucine residue to form a (2S,4R)-5-oxoleucine." ;
  rdfs:subClassOf obo:MOD_00679 , obo:MOD_00911 .

obo:MOD_01108 a rdfs:Class ;
  rdfs:label "2-amino-5-(4-methoxyphenyl)-5-oxopentanoic acid (Glu)" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to 2-amino-5-(4-methoxyphenyl)-5-oxopentanoic acid, glutamtic acid anisole adduct." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01007 .

obo:MOD_01010 a rdfs:Class ;
  rdfs:label "trifluoroacetylated residue" ;
  rdfs:comment "A protein modification that effectively substitutes a trifluoroacetyl group for a hydrogen atom." ;
  rdfs:subClassOf obo:MOD_00498 , obo:MOD_00649 , obo:MOD_00848 .

obo:MOD_01127 a rdfs:Class ;
  rdfs:label "5'phos Uridinyl" ;
  rdfs:comment "OBSOLETE because redundant and identical to MOD:01166. Remap to MOD:01166." .

obo:MOD_00332 a rdfs:Class ;
  rdfs:label "omega-N-glucosyl-L-arginine" ;
  rdfs:comment "A protein modification that effectively converts an L-arginine residue to N4-glucosyl-arginine." ;
  rdfs:subClassOf obo:MOD_00433 , obo:MOD_01980 .

obo:MOD_01138 a rdfs:Class ;
  rdfs:label "Aedans Cystenyl" ;
  rdfs:comment "OBSOLETE because no evidence has been seen for this protein modification. modification from DeltaMass" .

obo:MOD_00813 a rdfs:Class ;
  rdfs:label "O-fucosyl-L-threonine" ;
  rdfs:comment "A protein modification that effectively converts an threonine residue to an O-fucosylthreonine." ;
  rdfs:subClassOf obo:MOD_00005 , obo:MOD_00614 .

obo:MOD_01278 a rdfs:Class ;
  rdfs:label "crotonylated L-lysine" ;
  rdfs:comment "modification from Unimod Other -" ;
  rdfs:subClassOf obo:MOD_00576 , obo:MOD_00912 .

obo:MOD_00474 a rdfs:Class ;
  rdfs:label "S-([1,1,2-(2)H3]-carboxamidoethyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to S-(1,1,2-(2)H3)-propanamide-L-cysteine." ;
  rdfs:subClassOf obo:MOD_01426 .

obo:MOD_01531 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-113 reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ8plex-113 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01528 , obo:MOD_01714 .

obo:MOD_01509 a rdfs:Class ;
  rdfs:label "iTRAQ4plex-117, mTRAQ heavy, reporter+balance reagent O4'-acylated tyrosine" ;
  rdfs:comment "A protein modification that effectively replaces the O4'-hydrogen atom of a tyrosine residue with the Applied Biosystems iTRAQ4plex-117 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_00919 , obo:MOD_01506 , obo:MOD_01713 .

obo:MOD_00288 a rdfs:Class ;
  rdfs:label "pyrroloquinoline quinone" ;
  rdfs:comment "A protein modification that effectively doubly cross-links an L-glutamic acid residue and an L-tyrosine residue with a carbon-carbon bond and a carbon-nitrogen bond to form pyrroloquinoline quinone." ;
  rdfs:subClassOf obo:MOD_00692 , obo:MOD_02045 , obo:MOD_02058 .

obo:MOD_01842 a rdfs:Class ;
  rdfs:label "S-(2-aminovinyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts two L-cysteine residues to S-(2-aminovinyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_01851 .

obo:MOD_00447 a rdfs:Class ;
  rdfs:label "N-glucuronylated residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a glucuronic acid either through a carboxyl group amide or ester bond, or through C1-glycosylation." ;
  rdfs:subClassOf obo:MOD_00764 .

obo:MOD_01691 a rdfs:Class ;
  rdfs:label "N-(12-ketomyristoyl)-L-cysteine" ;
  rdfs:comment "A protein modification that effectively converts an L-cysteine residue to N-(12-ketomyristoyl)-L-cysteine." ;
  rdfs:subClassOf obo:MOD_00905 , obo:MOD_01696 .

obo:MOD_00571 a rdfs:Class ;
  rdfs:label "2-pyrrolidone-5-carboxylic acid (Pro)" ;
  rdfs:comment "A modification that effectively oxygenates C5 of an L-proline residue to form a 2-pyrrolidone-5-carboxylic acid, pyroglutamic acid." ;
  rdfs:subClassOf obo:MOD_00679 , obo:MOD_00915 , obo:MOD_01048 .

obo:MOD_00420 a rdfs:Class ;
  rdfs:label "2-pyrrolidone-5-carboxylic acid (Glu)" ;
  rdfs:comment "A protein modification that effectively converts an L-glutamic acid residue to 2-pyrrolidone-5-carboxylic acid." ;
  rdfs:subClassOf obo:MOD_00906 , obo:MOD_01048 .

obo:MOD_02099 a rdfs:Class ;
  rdfs:label "residue modified by radical hydroxylation" ;
  rdfs:comment "A hydroxyl substition induced by a radical reaction." ;
  rdfs:subClassOf obo:MOD_02098 .

obo:MOD_00881 a rdfs:Class ;
  rdfs:label "N-reductive amination-D" ;
  rdfs:comment "OBSOLETE because Unimod entry 465 megerd with 199. Remap to MOD:00552 DiMethyl-CH2D." .

obo:MOD_01937 a rdfs:Class ;
  rdfs:label "N-palmitoyl-L-methionine" ;
  rdfs:comment "A protein modification that effectively converts an L-methionine residue to N-palmitoyl-L-methionine." ;
  rdfs:subClassOf obo:MOD_00913 , obo:MOD_01685 .

obo:MOD_01572 a rdfs:Class ;
  rdfs:label "iTRAQ8plex-119 reporter+balance reagent N6-acylated lysine" ;
  rdfs:comment "A protein modification that effectively replaces the N6'-hydrogen atom of a lysine residue with the Applied Biosystems iTRAQ8plex-119 reporter+balance group." ;
  rdfs:subClassOf obo:MOD_01570 , obo:MOD_01710 , obo:MOD_01875 .

obo:MOD_01708 a rdfs:Class ;
  rdfs:label "isotope tagged reagent alpha-amino acylated residue" ;
  rdfs:comment "A protein modification that effectively replaces a residue alpha-amino- or alpha-imino-hydrogen with an isotope tagged reagent acyl group." ;
  rdfs:subClassOf obo:MOD_01696 , obo:MOD_01705 , obo:MOD_01706 .

obo:MOD_01810 a rdfs:Class ;
  rdfs:label "5x(13)C,1x(15)N labeled L-proline" ;
  rdfs:comment "A protein modification that effectively converts an L-proline residue to 5x(13)C,1x(15)N labeled L-proline." ;
  rdfs:subClassOf obo:MOD_00915 , obo:MOD_01809 .

obo:MOD_00701 a rdfs:Class ;
  rdfs:label "nucleotide or nucleic acid modified residue" ;
  rdfs:comment "A protein modification that effectively results from forming an adduct with a compound containing a nucleotide or a polynucleotide through formation of either a phosphodiester bond, a phosphoramide ester bond, or a glycosidic bond." ;
  rdfs:subClassOf obo:MOD_01156 .

obo:IAO_0000115 a rdf:Property ;
  rdfs:label "definition" ;
  rdfs:range xsd:string .

obo:IAO_0100001 a rdf:Property ;
  rdfs:label "term replaced by" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#DeltaMass-label> a rdf:Property ;
  rdfs:label "Label from MS DeltaMass" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#OMSSA-label> a rdf:Property ;
  rdfs:label "Short label from OMSSA" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#PSI-MOD-alternate> a rdf:Property ;
  rdfs:label "Alternate name curated by PSI-MOD" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#PSI-MOD-label> a rdf:Property ;
  rdfs:label "Short label curated by PSI-MOD" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#PSI-MOD-slim> a rdf:Property ;
  rdfs:comment "subset of protein modifications" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#PSI-MS-label> a rdf:Property ;
  rdfs:label "Agreed label from MS community" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#RESID-alternate> a rdf:Property ;
  rdfs:label "Alternate name from RESID" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#RESID-misnomer> a rdf:Property ;
  rdfs:label "Misnomer tagged alternate name from RESID" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#RESID-name> a rdf:Property ;
  rdfs:label "Name from RESID" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#RESID-systematic> a rdf:Property ;
  rdfs:label "Systematic name from RESID" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#UniProt-feature> a rdf:Property ;
  rdfs:label "Protein feature description from UniProtKB" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#Unimod-alternate> a rdf:Property ;
  rdfs:label "Alternate name from Unimod" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#Unimod-description> a rdf:Property ;
  rdfs:label "Description (full_name) from Unimod" ;
  rdfs:range xsd:string .

<http://purl.obolibrary.org/obo/mod#Unimod-interim> a rdf:Property ;
  rdfs:label "Interim label from Unimod" ;
  rdfs:range xsd:string .
