<?xml version="1.0"?>
<diffReport>
<diffSummary>
<numberChangedClasses>
42
</numberChangedClasses>
<numberNewClasses>
1
</numberNewClasses>
<numberDeletedClasses>
0
</numberDeletedClasses>
</diffSummary>
<changedClasses>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00221</classIRI>
<classLabel>N-(L-isoaspartyl)-L-cysteine</classLabel>
<newAxiom>&apos;N-(L-isoaspartyl)-L-cysteine&apos; SubClassOf &apos;crosslinked residues with loss of ammonia&apos;</newAxiom>
<newAxiom>&apos;N-(L-isoaspartyl)-L-cysteine&apos; SubClassOf &apos;isopeptide crosslinked residues&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00244</classIRI>
<classLabel>L-cysteine oxazoline-4-carboxylic acid</classLabel>
<newAxiom>&apos;L-cysteine oxazoline-4-carboxylic acid&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01917</classIRI>
<classLabel>N6-(L-isoaspartyl)-L-lysine (Asp)</classLabel>
<newAxiom>&apos;N6-(L-isoaspartyl)-L-lysine (Asp)&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01952</classIRI>
<classLabel>O-(L-isoglutamyl)-L-threonine (Gln-Thr)</classLabel>
<newAxiom>&apos;O-(L-isoglutamyl)-L-threonine (Gln-Thr)&apos; SubClassOf &apos;crosslinked residues with loss of ammonia&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01941</classIRI>
<classLabel>2-(2-aminosuccinimidyl)pentanedioic acid (Asp)</classLabel>
<newAxiom>&apos;2-(2-aminosuccinimidyl)pentanedioic acid (Asp)&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01940</classIRI>
<classLabel>2-(2-aminosuccinimidyl)pentanedioic acid (Asn)</classLabel>
<newAxiom>&apos;2-(2-aminosuccinimidyl)pentanedioic acid (Asn)&apos; SubClassOf &apos;crosslinked residues with loss of ammonia&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00606</classIRI>
<classLabel>Sulfanilic Acid (SA), heavy C13</classLabel>
<deletedAxiom>&apos;Sulfanilic Acid (SA), heavy C13&apos; SubClassOf &apos;isotope tagged reagent derivatized residue&apos;</deletedAxiom>
<newAxiom>&apos;Sulfanilic Acid (SA), heavy C13&apos; SubClassOf &apos;(13)C isotope tagged reagent&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01938</classIRI>
<classLabel>2-(2-aminosuccinimidyl)-3-sulfanylpropanoic acid (Asn)</classLabel>
<newAxiom>&apos;2-(2-aminosuccinimidyl)-3-sulfanylpropanoic acid (Asn)&apos; SubClassOf &apos;crosslinked residues with loss of ammonia&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01939</classIRI>
<classLabel>2-(2-aminosuccinimidyl)-3-sulfanylpropanoic acid (Asp)</classLabel>
<newAxiom>&apos;2-(2-aminosuccinimidyl)-3-sulfanylpropanoic acid (Asp)&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01651</classIRI>
<classLabel>natural, standard, encoded residue removal</classLabel>
<newAxiom>&apos;natural, standard, encoded residue removal&apos; SubClassOf &apos;protein modification categorized by chemical process&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01206</classIRI>
<classLabel>Hex1HexNAc1NeuAc2 O-glycosylated threonine</classLabel>
<deletedAxiom>&apos;Hex1HexNAc1NeuAc2 O-glycosylated threonine&apos; SubClassOf &apos;modified L-threonine residue&apos;</deletedAxiom>
<newAxiom>&apos;Hex1HexNAc1NeuAc2 O-glycosylated threonine&apos; SubClassOf &apos;O-glycosyl-L-threonine&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00385</classIRI>
<classLabel>L-asparagine 5-imidazolinone glycine</classLabel>
<newAxiom>&apos;L-asparagine 5-imidazolinone glycine&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00386</classIRI>
<classLabel>L-lysine 5-imidazolinone glycine</classLabel>
<newAxiom>&apos;L-lysine 5-imidazolinone glycine&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00789</classIRI>
<classLabel>Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, heavy form</classLabel>
<deletedAxiom>&apos;Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, heavy form&apos; SubClassOf &apos;isotope tagged reagent derivatized residue&apos;</deletedAxiom>
<newAxiom>&apos;Bruker Daltonics SERVA-ICPL(TM) quantification chemistry, heavy form&apos; SubClassOf &apos;(13)C isotope tagged reagent&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00775</classIRI>
<classLabel>L-asparagine (His)</classLabel>
<newAxiom>&apos;L-asparagine (His)&apos; SubClassOf http://purl.obolibrary.org/obo/MOD_02088</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00776</classIRI>
<classLabel>L-aspartic acid (His)</classLabel>
<newAxiom>&apos;L-aspartic acid (His)&apos; SubClassOf http://purl.obolibrary.org/obo/MOD_02088</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01795</classIRI>
<classLabel>1x(13)C,3x(2)H C(6)-labeled L-methionine</classLabel>
<newAxiom>&apos;1x(13)C,3x(2)H C(6)-labeled L-methionine&apos; SubClassOf &apos;(13)C labeled residue&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01316</classIRI>
<classLabel>4x(13)C labeled N6-succinyl-L-lysine</classLabel>
<deletedAxiom>&apos;4x(13)C labeled N6-succinyl-L-lysine&apos; SubClassOf &apos;isotope tagged reagent derivatized residue&apos;</deletedAxiom>
<newAxiom>&apos;4x(13)C labeled N6-succinyl-L-lysine&apos; SubClassOf &apos;(13)C isotope tagged reagent&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00452</classIRI>
<classLabel>alpha-amino 3x(13)C-labeled propanoylated residue</classLabel>
<newAxiom>&apos;alpha-amino 3x(13)C-labeled propanoylated residue&apos; SubClassOf &apos;(13)C isotope tagged reagent&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00459</classIRI>
<classLabel>4x(13)C labeled alpha-amino succinylated residue</classLabel>
<newAxiom>&apos;4x(13)C labeled alpha-amino succinylated residue&apos; SubClassOf &apos;(13)C isotope tagged reagent&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01355</classIRI>
<classLabel>Hex1HexNAc1NeuAc1 O-glycosylated threonine</classLabel>
<deletedAxiom>&apos;Hex1HexNAc1NeuAc1 O-glycosylated threonine&apos; SubClassOf &apos;modified L-threonine residue&apos;</deletedAxiom>
<newAxiom>&apos;Hex1HexNAc1NeuAc1 O-glycosylated threonine&apos; SubClassOf &apos;O-glycosyl-L-threonine&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00869</classIRI>
<classLabel>L-alanine residue (Asp)</classLabel>
<newAxiom>&apos;L-alanine residue (Asp)&apos; SubClassOf http://purl.obolibrary.org/obo/MOD_02088</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00932</classIRI>
<classLabel>IDBEST tag for quantitation</classLabel>
<deletedAxiom>&apos;IDBEST tag for quantitation&apos; SubClassOf &apos;isotope tagged reagent derivatized residue&apos;</deletedAxiom>
<newAxiom>&apos;IDBEST tag for quantitation&apos; SubClassOf &apos;(13)C isotope tagged reagent&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01408</classIRI>
<classLabel>L-threonine thiazoline-4-carboxylic acid</classLabel>
<newAxiom>&apos;L-threonine thiazoline-4-carboxylic acid&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01407</classIRI>
<classLabel>L-phenylalanine thiazoline-4-carboxylic acid</classLabel>
<newAxiom>&apos;L-phenylalanine thiazoline-4-carboxylic acid&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01431</classIRI>
<classLabel>(2)H deuterium tagged reagent</classLabel>
<newAxiom>&apos;(2)H deuterium tagged reagent&apos; SubClassOf &apos;(2)H deuterium labeled residue&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01430</classIRI>
<classLabel>(18)O isotope tagged reagent</classLabel>
<newAxiom>&apos;(18)O isotope tagged reagent&apos; SubClassOf &apos;(18)O labeled residue&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01437</classIRI>
<classLabel>cyclo[(prolylserin)-O-yl] cysteinate (Cys-Pro-Ser cross-link)</classLabel>
<newAxiom>&apos;cyclo[(prolylserin)-O-yl] cysteinate (Cys-Pro-Ser cross-link)&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01428</classIRI>
<classLabel>(13)C isotope tagged reagent</classLabel>
<newAxiom>&apos;(13)C isotope tagged reagent&apos; SubClassOf &apos;(13)C labeled residue&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01429</classIRI>
<classLabel>(15)N isotope tagged reagent</classLabel>
<newAxiom>&apos;(15)N isotope tagged reagent&apos; SubClassOf &apos;(15)N labeled residue&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01457</classIRI>
<classLabel>L-cysteine (Ser)</classLabel>
<newAxiom>&apos;L-cysteine (Ser)&apos; SubClassOf http://purl.obolibrary.org/obo/MOD_02088</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01440</classIRI>
<classLabel>glutamyl semialdehyde</classLabel>
<newAxiom>&apos;glutamyl semialdehyde&apos; SubClassOf &apos;residues isobaric at 113.047678 Da&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00982</classIRI>
<classLabel>L-selenocysteine (Ser)</classLabel>
<newAxiom>&apos;L-selenocysteine (Ser)&apos; SubClassOf http://purl.obolibrary.org/obo/MOD_02088</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01840</classIRI>
<classLabel>L-allo-isoleucine</classLabel>
<newAxiom>&apos;L-allo-isoleucine&apos; SubClassOf &apos;residues isobaric at 113.084064 Da&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01841</classIRI>
<classLabel>lanthionine</classLabel>
<newAxiom>&apos;lanthionine&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01839</classIRI>
<classLabel>L-lanthionine</classLabel>
<newAxiom>&apos;L-lanthionine&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00541</classIRI>
<classLabel>9x(13)C labeled L-phosphotyrosine</classLabel>
<deletedAxiom>&apos;9x(13)C labeled L-phosphotyrosine&apos; SubClassOf &apos;isotope tagged reagent derivatized residue&apos;</deletedAxiom>
<newAxiom>&apos;9x(13)C labeled L-phosphotyrosine&apos; SubClassOf &apos;(13)C labeled residue&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01904</classIRI>
<classLabel>L-serine 5-methyloxazoline-4-carboxylic acid</classLabel>
<newAxiom>&apos;L-serine 5-methyloxazoline-4-carboxylic acid&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_01026</classIRI>
<classLabel>norleucine residue (Nle)</classLabel>
<newAxiom>&apos;norleucine residue (Nle)&apos; SubClassOf &apos;residues isobaric at 113.084064 Da&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00195</classIRI>
<classLabel>L-alanine 5-imidazolinone glycine</classLabel>
<newAxiom>&apos;L-alanine 5-imidazolinone glycine&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00196</classIRI>
<classLabel>L-cysteine 5-imidazolinone glycine</classLabel>
<newAxiom>&apos;L-cysteine 5-imidazolinone glycine&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
<changedClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_00192</classIRI>
<classLabel>L-serine 5-imidazolinone glycine</classLabel>
<newAxiom>&apos;L-serine 5-imidazolinone glycine&apos; SubClassOf &apos;crosslinked residues with loss of water&apos;</newAxiom>
</changedClass>
</changedClasses>
<newClasses>
<newClass>
<classIRI>http://purl.obolibrary.org/obo/MOD_02088</classIRI>
<classLabel>natural, standard, encoded residue substitution</classLabel>
<newAxiom>'natural, standard, encoded residue substitution' SubClassOf 'protein modification categorized by chemical process'</newAxiom>
<newAxiom>'natural, standard, encoded residue substitution' SubClassOf 'natural residue'</newAxiom>
</newClass>
</newClasses>
<deletedClasses>
</deletedClasses>
</diffReport>