00000	protein modification
00001	alkylated residue
00002	O-glycosyl-L-serine
00003	Unimod
00005	O-glycosyl-L-threonine
00006	N-glycosylated residue
00009	natural residue
00010	L-alanine residue
00011	L-arginine residue
00012	L-asparagine residue
00013	L-aspartic acid residue
00014	L-cysteine residue
00015	L-glutamic acid residue
00016	L-glutamine residue
00017	glycine residue
00018	L-histidine residue
00019	L-isoleucine residue
00020	L-leucine residue
00021	L-lysine residue
00022	L-methionine residue
00023	L-phenylalanine residue
00024	L-proline residue
00025	L-serine residue
00026	L-threonine residue
00027	L-tryptophan residue
00028	L-tyrosine residue
00029	L-valine residue
00030	N-formyl-L-methionine residue
00031	L-selenocysteine residue
00032	uncategorized protein modification
00033	crosslinked residues
00116	S-diacylglycerol-L-cysteine
00160	N4-glycosyl-L-asparagine
00198	D-alanine (Ala)
00199	D-allo-isoleucine
00200	D-methionine
00201	D-phenylalanine
00202	D-serine (Ser)
00203	D-asparagine
00204	D-leucine
00205	D-tryptophan
00206	L-isoglutamyl-polyglycine
00207	L-isoglutamyl-polyglutamic acid
00213	chondroitin sulfate D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl-L-serine
00214	dermatan 4-sulfate D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl-L-serine
00215	heparan sulfate D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl-L-serine
00218	O-(phospho-5'-RNA)-L-serine
00223	N6-mureinyl-L-lysine
00224	1-chondroitin sulfate-L-aspartic acid ester
00251	O-(phospho-5'-DNA)-L-serine
00252	keratan sulfate D-glucuronosyl-D-galactosyl-D-galactosyl-D-xylosyl-L-threonine
00254	O4'-(phospho-5'-RNA)-L-tyrosine
00259	O4'-(phospho-5'-DNA)-L-tyrosine
00266	N-L-glutamyl-poly-L-glutamic acid
00283	N6-propylamino-poly(propylmethylamino)-propyldimethylamine-L-lysine
00300	L-glutamyl-5-poly(ADP-ribose)
00306	residues isobaric at 113.084064 Da
00328	O4'-(phospho-3'-DNA)-L-tyrosine
00350	L-threonyl-pentaglycyl-murein peptidoglycan
00388	L-alanyl-pentaglycyl-murein peptidoglycan
00393	O-methylated residue
00395	thioester crosslinked residues
00396	O-glycosylated residue
00421	C-glycosylated residue
00426	S-glycosylated residue
00427	methylated residue
00431	modified residue with a secondary neutral loss
00432	modified residue with neutral loss of phosphate
00434	hexosylated residue
00466	glycosylsphingolipidinositolated residue
00498	fluorinated residue
00538	protein modification categorized by isobaric sets
00569	residues isobaric at a resolution below 0.000001 Da
00570	residues isobaric at 71.037114 Da
00594	residues isobaric at 113.047678 Da
00601	cyclized residue
00602	N-methylated residue
00608	biotin polyethyleneoxide amine
00616	residues isobaric at a resolution below 0.1 Da
00624	residues isobaric at 113.0-113.1 Da
00649	acylated residue
00654	S-methylated residue
00656	C-methylated residue
00658	methylated arginine
00659	methylated glutamine
00660	methylated cysteine
00661	methylated histidine
00662	methylated leucine
00663	methylated lysine
00664	stereoisomerized residue
00665	methylated alanine
00670	N-acylated residue
00671	O-acylated residue
00672	S-acylated residue
00673	methylated asparagine
00675	oxidized residue
00676	oxygenated residue
00677	hydroxylated residue
00678	hydroxylated proline
00679	carbon oxygenated residue
00680	sulfur oxygenated residue
00681	hydroxylated lysine
00682	hydroxylated arginine
00683	dehydrogenated residue
00687	thioether crosslinked residues
00688	isopeptide crosslinked residues
00689	disulfide crosslinked residues
00690	oxazole/thiazole ring crosslinked residues
00691	5-imidazolinone ring crosslinked residues
00692	uncategorized crosslinked residues
00693	glycosylated residue
00694	halogen containing residue
00697	flavin modified residue
00698	metal or metal cluster containing modified residue
00699	porphyrin modified residue
00700	tetrapyrrole modified residue
00701	nucleotide or nucleic acid modified residue
00702	isotope labeled residue
00703	isoprenylated residue
00705	D-valine
00707	hydroxylated tyrosine
00708	sulfur oxygenated L-cysteine
00709	sulfur oxygenated L-methionine
00710	protonated-dimethylated residue
00712	methylated proline
00713	methylated glutamic acid
00714	methylated glycine
00715	methylated isoleucine
00716	methylated methionine
00717	methylated phenylalanine
00718	methylated tyrosine
00725	complex glycosylation
00726	glucosylated residue
00727	mannosylated residue
00728	galactosylated residue
00738	iron containing modified residue
00739	iron-sulfur cluster containing modification
00740	manganese containing modified residue
00741	nickel containing modified residue
00742	copper containing modified residue
00743	molybdenum containing modified residue
00744	molybdenum pterin containing modification
00745	selenium containing residue
00746	tungsten containing modified residue
00747	sodium containing modified residue
00748	pterin modified residue
00749	sulfur substitution for oxygen
00750	deoxyribonucleic acid linked residue
00751	ribonucleic acid linked residue
00753	chlorinated residue
00754	brominated residue
00755	iodinated residue
00764	glycoconjugated residue
00767	glycated residue
00769	residues isobaric at 71.0-71.1 Da
00770	residues isobaric at a resolution below 0.01 Da
00771	residues isobaric at 166.98-167.00 Da
00772	vanadium containing modified residue
00773	residues isobaric at 181.00-181.02 Da
00774	residues isobaric at 243.02-243.03 Da
00777	residues isobaric at 182.96-182.98 Da
00778	residues isobaric at 182.9-183.0 Da
00786	deuterium substituted residue
00792	deuterium monosubstituted residue
00836	deuterium disubstituted residue
00837	deuterium tetrasubstituted residue
00839	(2)H deuterium labeled residue
00840	isocyanate reagent derivatized residue
00841	isothiocyanate reagent derivatized residue
00842	(13)C labeled residue
00843	(15)N labeled residue
00844	(18)O labeled residue
00845	(18)O substituted residue
00846	levuglandinyl (prostaglandin H2) adduct
00847	(18)O disubstituted residue
00848	reagent derivatized residue
00849	potassium containing modified residue
00850	unnatural residue
00851	(18)O labeled deamidated residue
00859	modified residue that can arise from different natural residues
00860	sulfur containing modified residue
00861	phosphorus containing modified residue
00862	D-alanine
00863	D-allo-threonine
00868	natural, non-standard encoded residue
00885	ester crosslinked residues
00887	methylated aspartic acid
00891	D-serine
00893	residues isobaric at 128.0-128.1
00894	residues isobaric at 128.058578 Da
00896	FMN modified residue
00899	N-palmitoyl-S-diacylglycerol-L-cysteine
00901	modified L-alanine residue
00902	modified L-arginine residue
00903	modified L-asparagine residue
00904	modified L-aspartic acid residue
00905	modified L-cysteine residue
00906	modified L-glutamic acid residue
00907	modified L-glutamine residue
00908	modified glycine residue
00909	modified L-histidine residue
00910	modified L-isoleucine residue
00911	modified L-leucine residue
00912	modified L-lysine residue
00913	modified L-methionine residue
00914	modified L-phenylalanine residue
00915	modified L-proline residue
00916	modified L-serine residue
00917	modified L-threonine residue
00918	modified L-tryptophan residue
00919	modified L-tyrosine residue
00920	modified L-valine residue
00946	crosslinked residues with loss of ammonia
00947	DeltaMass
00954	crosslinked residues with loss of water
00958	crosslink between Arg and His sidechains
00959	3,3',5,5'-TerTyr (Crosslink)
00970	delta-hydroxy-allysine (Lys)
00973	Oxidation of proline (to glutamic acid)
00978	piperidine adduct to C-terminal Cys
00979	t-butyl ester (OtBu) and t-butyl (tBu)
00983	Asp transamidation with piperidine
00985	halogenated tyrosine
00987	chlorinated tyrosine
00988	brominated tyrosine
00998	iodinated tyrosine
01000	monobrominated tyrosine
01001	2-aminoisobutyric acid residue (Aib)
01003	t-butyloxymethyl (Bum)
01005	t-butylsulfenyl
01006	dibrominated tyrosine
01011	N-hydroxysuccinimide (ONSu, OSu)
01013	tetramethylguanidinium termination by-product on amine
01014	phosphate/sulphate adduct of proteins
01015	isovaline residue (Iva)
01016	t-butyloxycarbonyl
01018	4-methylbenzyl
01019	hydroxymethylphenyl linker
01020	thioanisyl
01021	thiocresyl
01026	norleucine residue (Nle)
01027	t-amyloxycarbonyl
01030	hydroxybenzotriazole ester
01031	dimethylbenzyl
01035	chlorobenzyl
01040	penicillamine residue
01048	2-pyrrolidone-5-carboxylic acid
01049	halogenated histidine
01050	pyridyl alanyl
01051	2-nitrobenzoyl
01052	dimethoxybenzyl Trp
01053	2-nitrophenylsulphenyl
01054	4-toluenesulfonyl
01055	3-nitro-2-pyridinesulfenyl
01058	dichlorobenzyl
01064	inositol
01066	halogenated phenylalanine
01067	linker attached to peptide in Fmoc peptide synthesis
01068	halogenated tryptophan
01075	mercury containing modified residue
01077	ethanedithiol/TFA cyclic adduct
01086	p-nitrobenzyloxycarbonyl
01089	xanthyl
01092	mesitylene-2-sulfonyl
01093	isopropyl lysyl
01098	naphthylalanine residue
01100	HMP (hydroxymethylphenyl)/TFA adduct
01104	4-methoxy-2,3,6-trimethylbenzenesulfonyl
01105	2-bromobenzyloxycarbonyl
01109	9-fluorenylmethyloxycarbonyl (Fmoc)
01110	isoprenylated cysteine
01113	2-(p-biphenyl)isopropyl-oxycarbonyl
01115	isoprenylated tryptophan
01117	pentamethyldihydrobenzofuransulfonyl
01121	monomethoxytrityl
01128	N-glycolneuraminic acid
01130	SucPhencarb Lysyl
01134	fluorescein labelling of peptide N-terminal using NHS ester
01135	Hex-HexNAc
01148	ubiquitinylated lysine
01149	sumoylated lysine
01150	neddylated lysine
01154	pyruvic acid
01155	lipoconjugated residue
01156	protein modification categorized by chemical process
01157	protein modification categorized by amino acid modified
01158	modified L-selenocysteine residue
01159	peptidoglycanated residue
01168	dehydroalanine
01169	L-3-oxoalanine
01187	L-pyrrolysine residue
01400	L-lysyl-poly(ADP-ribose)
01410	hydroxylated leucine
01414	hydroxylated isoleucine
01418	methylated threonine
01419	oxazole/oxazoline ring crosslinked residues
01420	thiazole/thiazoline ring crosslinked residues
01421	oxazole/oxazoline ring crosslinked residues (Ser)
01422	oxazole/oxazoline ring crosslinked residues (Thr)
01424	quinaldate modified residue
01425	pyridinyl ring crosslinked residues
01426	isotope tagged reagent derivatized residue
01428	(13)C isotope tagged reagent
01429	(15)N isotope tagged reagent
01430	(18)O isotope tagged reagent
01431	(2)H deuterium tagged reagent
01439	S-[2-(pyridin-4-yl)ethyl]-L-cysteine
01440	glutamyl semialdehyde
01441	natural, standard, encoded residue
01448	L-3,3-dihydroxyoalanine
01450	modified N-formyl-L-methionine residue
01453	L-glutamic acid 5-methyl ester
01454	N-(DNA-1',2'-dideoxyribos-1'-ylidene)-L-prolinium
01460	alpha-amino methylated residue
01461	N-methylated alanine
01462	N-methylated proline
01463	N-methylated methionine
01472	reduced residue
01473	hydrogenated residue
01482	calcium containing modified residue
01513	modifications with monoisotopic mass differences that are nominally equal at a resolution below 0.1 Da
01514	modifications with monoisotopic mass differences that are nominally equal at a resolution below 0.01 Da
01515	modifications with monoisotopic mass differences that are nominally equal at a resolution below 0.000001 Da
01516	modifications with monoisotopic mass diferences that are nominally equal at 144.099-144.106 Da.
01517	modifications with monoisotopic mass differences that are nominally equal at 144.102062 Da
01518	iTRAQ4plex reporter+balance reagent acylated residue
01519	reporter fragment
01520	modification reporter fragment
01521	iTRAQ4plex reporter fragment
01522	iTRAQ4plex-114 reporter fragment
01523	iTRAQ4plex-115 reporter fragment
01524	iTRAQ4plex-116 reporter fragment
01525	iTRAQ4plex-117, mTRAQ heavy, reporter fragment
01526	iTRAQ8plex reporter+balance reagent acylated residue
01527	residue reporter fragment
01584	modifications with monoisotopic mass differences that are nominally equal at 304.199039 Da
01591	modifications with monoisotopic mass differences that are nominally equal at 304.205359 Da
01592	modifications with monoisotopic mass differences that are nominally equal at 304.199-304.206 Da
01593	iTRAQ8plex reporter fragment
01594	iTRAQ8plex-113 reporter fragment
01595	iTRAQ8plex-114 reporter fragment
01596	iTRAQ8plex-115 reporter fragment
01597	iTRAQ8plex-116 reporter fragment
01598	iTRAQ8plex-117 reporter fragment
01599	iTRAQ8plex-118 reporter fragment
01600	iTRAQ8plex-119 reporter fragment
01601	iTRAQ8plex-121 reporter fragment
01619	multisulfide crosslinked residues
01620	polysulfide crosslinked residues
01621	flavin crosslinked residues
01627	L-cysteinyl-L-selenocysteine
01628	(2-aminosuccinimidyl)acetic acid
01629	cyclo[(prolylserin)-O-yl] cysteinate
01630	N6-(L-isoglutamyl)-L-lysine
01651	natural, standard, encoded residue removal
01652	sulfonyl halide reagent derivatized residue
01665	N-(DNA-1',2'-dideoxyribos-1'-ylidene)-L-valine
01672	halogenated lysine
01696	alpha-amino acylated residue
01703	dehydrobutyrine
01705	isotope tagged reagent acylated residue
01706	isotope tagged reagent N-acylated residue
01707	isotope tagged reagent O-acylated residue
01708	isotope tagged reagent alpha-amino acylated residue
01709	iTRAQ4plex reporter+balance reagent N-acylated residue
01710	iTRAQ8plex reporter+balance reagent N-acylated residue
01711	iTRAQ4plex reporter+balance reagent acylated N-terminal
01712	iTRAQ8plex reporter+balance reagent acylated N-terminal
01713	iTRAQ4plex reporter+balance reagent O-acylated residue
01714	iTRAQ8plex reporter+balance reagent O-acylated residue
01716	TMT6plex reporter fragment
01717	TMT6plex reporter+balance reagent N-acylated residue
01718	TMT6plex reporter+balance reagent acylated N-terminal
01719	TMT6plex reporter+balance reagent O-acylated residue
01727	TMT6plex-126 reporter fragment
01735	TMT6plex-127 reporter fragment
01743	TMT6plex-128 reporter fragment
01751	TMT6plex-129 reporter fragment
01759	TMT6plex-130 reporter fragment
01767	TMT6plex-131 reporter fragment
01771	farnesyl reporter fragment
01772	palmityl reporter fragment
01799	methylated serine
01800	N-methylated serine
01803	O-methylated threonine
01804	glycosylphosphorylated residue
01808	N-methylated leucine
01820	isotope tagged sufhydryl reagent modified cysteine
01821	cysTMT6plex reporter+balance reagent cysteine disulfide
01840	L-allo-isoleucine
01850	S-(2-aminovinyl)-D-cysteine
01851	S-(2-aminovinyl)-cysteine
01853	L-lysinoalanine
01854	sulfur monooxygenated residue
01855	sulfur dioxygenated residue
01856	oxazole/oxazoline ring crosslinked residues (Cys)
01861	isothiazolidinone ring crosslinked residues
01862	disulfide conjugated residue
01863	mTRAQ reporter+balance reagent acylated residue
01868	modifications with monoisotopic mass differences that are nominally equal at 140.094963 Da
01869	mTRAQ light reporter fragment
01870	mTRAQ reporter fragment
01875	N6-acylated L-lysine
01882	5-imidazolinone ring crosslinked residues (Gly)
01883	5-imidazolinone ring crosslinked residues (Cys)
01884	4-aminobutylated residue
01886	thiolated residue
01905	5-hydroxy-3-methyl-L-proline
01921	D-aspartic acid (Asp)
01927	O-glycosyl-L-tyrosine
01928	N-(L-isoaspartyl)-glycine
01929	N6-(L-isoaspartyl)-L-lysine
01942	D-aspartic acid
01943	pyrrolidione ring crosslinked residues
01944	2-aminosuccinimide ring crosslinked residues
01945	2-(2-aminosuccinimidyl)-3-sulfanylpropanoic acid
01946	2-(2-aminosuccinimidyl)pentanedioic acid
01975	S-poly(3-hydroxybutyrate)-L-cysteine
01976	O3-(poly-3-hydroxybutyrate)-L-serine
01977	O-(L-isoglutamyl)-L-serine
01978	O-(L-isoaspartyl)-L-threonine
01979	O-(L-isoglutamyl)-L-threonine
01980	omega-N-glycosyl-L-arginine
01992	alpha-carbon thioether crosslinked residues
01993	beta-carbon thioether crosslinked residues
02003	O3-acylated L-serine
02004	O3-acylated L-threonine
02005	S-acylated L-cysteine
02027	urmylated lysine
02028	iTRAQ4plex reporter+balance reagent acylated residue, average mass modification
02029	cis-peptidyl-L-proline
02030	trans-peptidyl-L-proline
02039	aminated residue
02040	crosslinked L-alanine residue
02041	crosslinked L-arginine residue
02042	crosslinked L-asparagine residue
02043	crosslinked L-aspartic acid residue
02044	crosslinked L-cysteine residue
02045	crosslinked L-glutamic acid residue
02046	crosslinked L-glutamine residue
02047	crosslinked glycine residue
02048	crosslinked L-histidine residue
02049	crosslinked L-isoleucine residue
02050	crosslinked L-leucine residue
02051	crosslinked L-lysine residue
02052	crosslinked L-methionine residue
02053	crosslinked L-phenylalanine residue
02054	crosslinked L-proline residue
02055	crosslinked L-serine residue
02056	crosslinked L-threonine residue
02057	crosslinked L-tryptophan residue
02058	crosslinked L-tyrosine residue
02059	crosslinked L-valine residue
02060	crosslinked D-asparagine residue
02061	crosslinked L-selenocysteine residue
02062	crosslinked N-formyl-L-methionine residue
02063	crosslinked D-phenylalanine residue
02064	crosslinked D-serine residue
02065	metal or metal cluster coordinated L-alanine residue
02066	metal or metal cluster coordinated L-aspartic acid residue
02067	metal or metal cluster coordinated L-cysteine residue
02068	metal or metal cluster coordinated L-glutamic acid residue
02069	metal or metal cluster coordinated L-glutamine residue
02070	metal or metal cluster coordinated L-histidine residue
02071	metal or metal cluster coordinated L-methionine residue
02072	metal or metal cluster coordinated L-serine residue
02073	metal or metal cluster coordinated L-selenocysteine residue
02074	metal or metal cluster coordinated L-lysine residue
02075	metal or metal cluster coordinated L-tyrosine residue
02076	metal or metal cluster coordinated L-arginine residue
02078	acetylated residue
02086	brominated phenylalanine
02087	adenosine diphosphoribosyl (ADP-ribosyl) modified residue
02088	natural, standard, encoded residue substitution
02097	modified D-asparagine residue
02098	residue modified by radical mechanism
02099	residue modified by radical hydroxylation
