| -79 |
5' dephospho |
| -58 |
Desmosine (from Lysine) |
| -48 |
decomposed carboxymethylated Methionine |
| -44 |
Decarboxylation of gamma carboxy Glutamate |
| -43 |
Gamma-glutamyl semialdehyde (from arginine) |
| -42 |
Ornithine (from Arginine) |
| -34 |
Lysinoalanine (from Cysteine) |
| -34 |
Lanthionine (from Cysteine) |
| -34 |
Dehydroalanine (from Cysteine) |
| -30 |
Homoserine formed from Met by CNBr treatment |
| -27 |
Oxidation of arginine (to glutamic acid) |
| -18 |
Formylglycine (from cysteine) |
| -18 |
Pyroglutamic Acid formed from Glutamic Acid |
| -18 |
Dehydration (-H2O) |
| -18 |
S-gamma-Glutamyl (crosslinked to Cysteine) |
| -18 |
O-gamma-Glutamyl- (Crosslink to Serine) |
| -18 |
Serine to Dehydroalanine |
| -18 |
Alaninohistidine (Serine crosslinked to theta or pi carbon of Histidine) |
| -18 |
Misincorporation of Norleucine for Methionine |
| -18 |
Succinimide formation from aspartic acid |
| -17 |
Pyroglutamic Acid formed from Gln |
| -17 |
N-pyrrolidone carboxyl (N terminus) |
| -17 |
N alpha -(gamma-Glutamyl)-lysine |
| -17 |
N-(beta-Aspartyl)-Lysine (Crosslink) |
| -17 |
Succinimide formation from asparagine |
| -17 |
S-carbamoylmethylcysteine cyclization (N-terminus) |
| -16 |
Pyruvoyl- (Serine) |
| -5 |
Crosslink between Arg and His sidechains |
| -4 |
3,3',5,5'-TerTyr (Crosslink) |
| -2 |
Formylglycine (from serine) |
| -2 |
Disulphide bond formation (Cystine) |
| -2 |
S-(2-Histidyl)- (Crosslinked to Cysteine) |
| -2 |
S-(3-Tyr) (Crosslinked to Cysteine) |
| -2 |
3,3'-BiTyr (Crosslink) |
| -2 |
IsodiTyr (Crosslink) |
| -1 |
Allysine (from Lysine) |
| -1 |
Amide formation (C terminus) |
| -1 |
Oxidation of lysine (to aminoadipic semialdehyde) |
| 1 |
Deamidation of Asparagine and Glutamine to Aspartate and Glutamate |
| 1 |
Citruline (from Arginine) |
| 2 |
Cysteine x2, reduction of Cystine (Cys-Cys) |
| 2 |
Reduction of indole double bond of Trp |
| 4 |
Oxidation of Trp to kynurenine |
| 12 |
Lysine epsilon amino to imine |
| 12 |
Cysteine (N-term) formaldehyde adduct (Cys to Thioproline conversion) |
| 12 |
Formaldehyde adduct of Trp |
| 13 |
Syndesine (from Lysine) |
| 13 |
CM-Cys vs PAM-Cys |
| 14 |
Methylation (N terminus, N epsilon of Lysine, O of Serine, Threonine or C terminus, N of Asparagine) |
| 14 |
CAM-Cys vs PAM-Cys |
| 14 |
Methylation (methyl esterification of Asp and Glu side chains) |
| 15 |
Delta-Hydroxy-allysine (from Lysine) |
| 15 |
Oxidation of lysine (to aminoadipic acid) |
| 16 |
Hydroxylation (of delta C of Lysine, beta C of Tryptophan, C3 or C4 of Proline, beta C of Aspartate) |
| 16 |
Oxidation of Methionine (to Sulphoxide) |
| 16 |
3,4-Dihydroxy-Phenylalanine (from Tyrosine) (DOPA) |
| 16 |
Oxohistidine (from histidine) |
| 16 |
Sulfenic Acid (from Cysteine) |
| 16 |
Oxidation of proline (to gamma-glutamyl semialdehyde) |
| 22 |
Sodium |
| 28 |
Ethyl |
| 28 |
N,N dimethylation (of Arginine or Lysine) |
| 28 |
2,4-BisTrp-6,7-dione (from Tryptophan) |
| 28 |
Formylation (CHO) |
| 30 |
6,7 Dione (from Tryptophan) |
| 32 |
3,4,6-Trihydroxy-Phenylalanine (from Tyrosine) (TOPA) |
| 32 |
3,4-Dihydroxylation (of Proline) |
| 32 |
Oxidation of Methionine (to Sulphone) |
| 32 |
Oxidation of proline (to glutamic acid) |
| 32 |
Double oxidation of Trp |
| 32 |
Trisulfide bond (additional sulfur in disulfide bond) |
| 34 |
3-Chlorination (of Tyrosine with 35Cl) |
| 36 |
3-Chlorination (of Tyrosine with 37Cl) |
| 38 |
Potassium |
| 42 |
Acetylation (N terminus, N epsilon of Lysine, O of Serine) (Ac) |
| 42 |
N-Trimethylation (of Lysine) |
| 43 |
Carbamylation |
| 44 |
disodium |
| 45 |
Nitro (NO2) |
| 46 |
beta-Methylthio-aspartic acid |
| 48 |
Cysteic acid, oxidation of cysteine |
| 51 |
Piperidine adduct to C-terminal Cys |
| 56 |
t-butyl ester(OtBu) and t-butyl (tBu) |
| 57 |
Glycyl (-G-,-Gly-) |
| 57 |
Carboxamidomethyl (on Cysteine and other residues) |
| 58 |
Carboxymethyl (on Cysteine and other residues) |
| 60 |
sodium + potassium |
| 64 |
Selenocysteine (from Serine) |
| 67 |
Asp transamidation with piperidine |
| 68 |
3,5-Dichlorination (of Tyrosine with 35Cl) |
| 69 |
Dehydroalanine (Dha) |
| 70 |
3,5-Dichlorination (of Tyrosine with mixture of 35Cl and 37Cl)) |
| 70 |
Pyruvate |
| 71 |
Sarcosyl |
| 71 |
Alanyl (-A-, -Ala-) |
| 71 |
Acetamidomethyl (Acm) |
| 71 |
Propionamide or Acrylamide adduct |
| 72 |
3,5-Dichlorination (of Tyrosine with 37Cl) |
| 74 |
S-(sn-1-Glyceryl) (on Cysteine) |
| 74 |
Glycerol Ester (on Glutamic acid side chain) |
| 75 |
Glycine (G, Gly) |
| 76 |
Phenyl ester (OPh) (on acidic) |
| 76 |
Beta mercaptoethanol adduct |
| 78 |
3-Bromination (of Tyrosine with 79Br) |
| 78 |
3-o-bromination of Phe with 79Br |
| 80 |
L-o-bromination of Phe with 81Br |
| 80 |
Sulphonation (SO3H) (of PMC group) |
| 80 |
Sulphation (of O of Tyrosine) |
| 80 |
Phosphorylation (O of Serine, Threonine, Tyrosine and Aspartate, N epsilon of Lysine) |
| 80 |
3-Bromination (of Tyrosine with 81Br) |
| 82 |
Cyclohexyl ester (OcHex) |
| 83 |
Dehydroamino butyric acid (Dhb) |
| 83 |
Homoseryl lactone |
| 85 |
2-Aminobutyric acid (Abu) |
| 85 |
2-Aminoisobutyric acid (Aib) |
| 85 |
Gamma Aminobutyryl |
| 86 |
t-butyloxymethyl (Bum) |
| 86 |
Diaminopropionyl |
| 87 |
N-(4-NH2-2-OH-butyl)- (of Lysine) (Hypusine) |
| 87 |
Seryl (-S-, -Ser-) |
| 88 |
t-butylsulfenyl (StBu) |
| 89 |
Alanine (A, Ala) |
| 89 |
Sarcosine (Sar) |
| 90 |
Anisyl |
| 90 |
Benzyl (Bzl) and benzly ester (OBzl) |
| 93 |
1,2-ethanedithiol (EDT) |
| 95 |
Dehydroprolyl |
| 96 |
Trifluoroacetyl (TFA) |
| 97 |
N-hydroxysuccinimide (ONSu, OSu) |
| 97 |
Prolyl (-P-, -Pro-) |
| 98 |
Cysteic acid x2, oxidation of cystine |
| 98 |
Tetramethylguanidinium termination by-product on amine |
| 98 |
Phosphate/sulphate adduct of proteins |
| 99 |
Valyl (-V-, -Val-) |
| 99 |
Isovalyl (-I-,-Iva-) |
| 100 |
t-Butyloxycarbonyl (tBoc) |
| 101 |
Threoyl (-T-, -Thr-) |
| 101 |
Homoseryl (-Hse-) |
| 103 |
Cystyl (-C-, -Cys-) |
| 104 |
4-Methylbenzyl (Meb) |
| 104 |
Benzoyl (Bz) |
| 105 |
Serine (S, Ser) |
| 105 |
Pyridylethylation of cysteine |
| 106 |
HMP (hydroxymethylphenyl) linker |
| 106 |
Thioanisyl |
| 106 |
Thiocresyl |
| 111 |
2-Piperidinecarboxylic acid (Pip) |
| 111 |
Pyroglutamyl |
| 113 |
Hydroxyprolyl (-Hyp-) |
| 113 |
Isoleucyl (-I-, -Ile-) |
| 113 |
Leucyl (-L-, -Leu-) |
| 113 |
Norleucyl (-Nle-) |
| 114 |
Asparagyl (-N-, -Asn-) |
| 114 |
t-amyloxycarbonyl (Aoc) |
| 114 |
Ornithyl (-Orn-) |
| 115 |
Proline (P, Pro) |
| 115 |
Aspartyl (-D-, -Asp-) |
| 117 |
Succinyl |
| 117 |
Valine (V, Val) |
| 117 |
Hydroxybenzotriazole ester (HOBt) |
| 118 |
Dimethylbenzyl (diMeBzl) |
| 119 |
Threonine (T, Thr) |
| 119 |
Cysteinylation |
| 120 |
Benzyloxymethyl (Bom) |
| 120 |
p-methoxybenzyl (Mob, Mbzl) |
| 121 |
4-Nitrophenyl, p-Nitrophenyl (ONp) |
| 121 |
Cysteine (C, Cys) |
| 125 |
Chlorobenzyl (ClBzl) |
| 126 |
Iodination (of Histidine[C4] or Tyrosine[C3]) |
| 126 |
octanoylation |
| 128 |
Glutamyl (-Q-, -Gln-) |
| 128 |
Lysyl (-K-, -Lys-) |
| 129 |
Glutamyl (-E-, -Glu-) |
| 129 |
O-Methyl Aspartamyl |
| 130 |
N alpha -(gamma-Glutamyl)-Glu |
| 131 |
Norleucine (Nle) |
| 131 |
Hydroxyproline (Hyp) |
| 131 |
Isoleucine (I, Ile) |
| 131 |
Leucine (L, Leu) |
| 131 |
Methionyl (-M-, -Met-) |
| 131 |
Hydroxy Aspartamyl |
| 131 |
bb-dimethyl Cystenyl |
| 132 |
Asparagine (N, Asn) |
| 132 |
Pentoses (Ara, Rib, Xyl) |
| 133 |
Aspartic Acid (D, Asp) |
| 134 |
Benzyloxycarbonyl (Z) |
| 134 |
Adamantyl (Ada) |
| 135 |
p-Nitrobenzyl ester (ONb) |
| 137 |
Histidyl (-H-, -His-) |
| 142 |
N-methyl Glutaminyl |
| 142 |
N-methyl Lysyl |
| 143 |
O-methyl Glutamyl |
| 143 |
Diphthamide (from Histidine) |
| 144 |
Hydroxy Lysyl (-Hyl-) |
| 145 |
Methyl Methionyl |
| 146 |
Glutamine (Q, Gln) |
| 146 |
Deoxyhexoses (Fuc, Rha) |
| 146 |
Lysine (K, Lys) |
| 146 |
Pentosyl |
| 146 |
Aminoethyl Cysteinyl (AECys) |
| 147 |
4-Glycosyloxy- (pentosyl,C5) (of Proline) |
| 147 |
Glutamic Acid (E, Glu) |
| 147 |
Phenylalanyl- (-F-, -Phe-) |
| 147 |
Methionyl Sulfoxide |
| 148 |
Pyridyl Alanyl |
| 149 |
2-Nitrobenzoyl (NBz) |
| 149 |
Methionine (M, Met) |
| 149 |
Fluorophenylalanyl |
| 150 |
Dimethoxybenzyl Trp |
| 153 |
2-Nitrophenylsulphenyl (Nps) |
| 154 |
4-Toluenesulphonyl (Tosyl, Tos) |
| 154 |
3-nitro-2-pyridinesulfenyl (Npys) |
| 155 |
Histidine (H, His) |
| 156 |
3,5-Dibromination (of Tyrosine with 79Br) |
| 156 |
Arginyl (-R-, -Arg-) |
| 157 |
Citrulline |
| 158 |
3,5-Dibromination (of Tyrosine with mixture of 79Br and 81Br) |
| 159 |
Dichlorobenzyl (Dcb) |
| 160 |
3,5-Dibromination (of Tyrosine with 81Br) |
| 160 |
Carboxyamidomethyl Cystenyl |
| 161 |
Hexosamines (GalN, GlcN) |
| 161 |
Carboxymethyl cysteine (Cmc) |
| 161 |
Carboxymethyl Cystenyl |
| 161 |
Methylphenylalanyl |
| 162 |
Inositol |
| 162 |
N-Glucosyl (N terminus or N epsilon of Lysine) (Aminoketose) |
| 162 |
O-Glycosyl- (to Serine or Threonine) |
| 162 |
Linker attached to peptide in Fmoc peptide synthesis |
| 162 |
Hexoses (Fru, Gal, Glc, Man) |
| 163 |
Tyrosinyl (-Y-, -Tyr-) |
| 163 |
MethionylSulphone |
| 165 |
Phenylalanine (F, Phe) |
| 166 |
2,4 -dinitrophenyl (Dnp) |
| 166 |
Pentaflourophenyl (Pfp) |
| 166 |
Diphenylmethyl (Dpm) |
| 167 |
Phospho Seryl |
| 169 |
2-Chlorobenzyloxycarbonyl (ClZ) |
| 169 |
Napthyl acetyl |
| 170 |
N-acetyl Lysyl |
| 170 |
N-methyl Arginyl |
| 170 |
Decanoic acid modification of Cys in active site |
| 172 |
Ethanedithiol/TFA cyclic adduct |
| 173 |
Carboxy Glutamyl (Gla) |
| 174 |
Arginine (R, Arg) |
| 174 |
Acetamidomethyl Cystenyl |
| 174 |
Acrylamidyl Cystenyl |
| 176 |
N-Glucuronyl (N terminus) |
| 177 |
delta-Glycosyloxy- (of Lysine) or beta-Glycosyloxy- (of Phenylalanine or Tyrosine) |
| 177 |
4-Glycosyloxy- (hexosyl,C6) (of Proline) |
| 177 |
Benzyl Seryl |
| 177 |
N-methyl Tyrosinyl |
| 178 |
a-N-Gluconoylation (His Tagged proteins) |
| 179 |
p-Nitrobenzyloxycarbonyl (4Nz) |
| 179 |
2,4,5-Trichlorophenyl |
| 180 |
2,4,6-trimethyloxybenzyl (Tmob) |
| 180 |
Xanthyl (Xan) |
| 181 |
Tyrosine (Y, Tyr) |
| 182 |
Chlorophenylalanyl |
| 182 |
Mesitylene-2-sulfonyl (Mts) |
| 183 |
AEBSF |
| 184 |
Isopropyl Lysyl |
| 186 |
Tryptophanyl (-W-, - Trp-) |
| 186 |
Carboxymethyl Lysyl |
| 188 |
N-Lipoyl- (on Lysine) |
| 190 |
Matrix alpha cyano MH+ |
| 191 |
Benzyl Threonyl |
| 193 |
Benzyl Cystenyl |
| 197 |
Napthyl Alanyl |
| 198 |
Succinyl Aspartamyl |
| 201 |
HMP (hydroxymethylphenyl)/TFA adduct |
| 203 |
N-acetylhexosamines (GalNAc, GlcNAc) |
| 204 |
Tryptophan (W, Trp) |
| 204 |
Cystine ((Cys)2) |
| 204 |
Farnesylation |
| 206 |
S-Farnesyl- |
| 206 |
Myristoylation-4H (2 double bonds) |
| 208 |
Myristoleylation (myristoyl with one double bond) |
| 208 |
Pyridylethyl Cystenyl |
| 210 |
Myristoylation |
| 212 |
4-Methoxy-2,3,6-trimethylbenzenesulfonyl (Mtr) |
| 213 |
2-Bromobenzyloxycarbonyl (BrZ) |
| 214 |
Formyl Tryptophanyl |
| 219 |
Benzyl Glutamyl |
| 219 |
Anisole Adducted Glutamyl |
| 222 |
9-Fluorenylmethyloxycarbonyl (Fmoc) |
| 222 |
S-cystenyl Cystenyl |
| 226 |
Biotinylation (amide bond to lysine) |
| 226 |
Dimethoxybenzhydryl (Mbh) |
| 229 |
N-Pyridoxyl (on Lysine) |
| 231 |
Pyridoxal phosphate (Schiff Base formed to lysine) |
| 233 |
Dansyl (Dns) |
| 233 |
Nicotinyl Lysyl |
| 238 |
2-(p-biphenyl)isopropyl-oxycarbonyl (Bpoc) |
| 238 |
Palmitoylation |
| 242 |
Triphenylmethyl (Trityl, Trt) |
| 243 |
Tyrosinyl Sulphate |
| 243 |
Phospho Tyrosinyl |
| 252 |
Pbf (pentamethyldihydrobenzofuransulfonyl) |
| 252 |
3,5-Diiodination (of Tyrosine) |
| 258 |
a-N-6-Phosphogluconoylation (His Tagged proteins) |
| 259 |
N alpha -(gamma-Glutamyl)-Glu2 |
| 266 |
Stearoylation |
| 266 |
Pmc (2,2,5,7,8- Pentamethylchroman-6-sulphonyl) |
| 272 |
Geranylgeranylation |
| 272 |
Monomethoxytrityl |
| 276 |
S-Geranylgeranyl |
| 283 |
O-GlcNAc-1-phosphorylation (of Serine) |
| 289 |
5'phos dCytidinyl |
| 289 |
iodo Tyrosinyl |
| 290 |
Aldohexosyl Lysyl |
| 291 |
Sialyl |
| 291 |
N-acetylneuraminic acid (Sialic acid, NeuAc, NANA, SA) |
| 304 |
5'phos dThymidinyl |
| 305 |
5'phos Cytidinyl |
| 305 |
Glutathionation |
| 306 |
O-Uridinylylation (of Tyrosine) |
| 306 |
5'phos Uridinyl |
| 307 |
N-glycolneuraminic acid (NeuGc) |
| 307 |
S-farnesyl Cystenyl |
| 313 |
5'phos dAdenosyl |
| 324 |
O-pantetheinephosphorylation (of Serine) |
| 327 |
SucPhencarb Lysyl |
| 329 |
5'phos dGuanosyl |
| 329 |
5'phos Adenosinyl |
| 329 |
O-5'-Adenosylation ( of Tyrosine) |
| 339 |
4'-Phosphopantetheine |
| 342 |
S-palmityl Cystenyl |
| 345 |
5'phos Guanosyl |
| 354 |
Biotinyl Lysyl |
| 359 |
Fluorescein labelling of peptide N-terminal using NHS ester |
| 365 |
Hex-HexNAc |
| 388 |
N alpha -(gamma-Glutamyl)-Glu3 |
| 391 |
Dioctyl Phthalate |
| 395 |
PMC Lysyl |
| 409 |
Aedans Cystenyl |
| 413 |
Dioctyl Phthalate Sodium Adduct |
| 415 |
di-iodo Tyrosinyl |
| 423 |
PMC Arginyl |
| 454 |
S-Coenzyme A |
| 457 |
AMP Lysyl |
| 470 |
3,5,3'-Triiodothyronine (from Tyrosine) |
| 524 |
S-(sn-1-Dipalmitoyl-glyceryl)- (on Cysteine) |
| 541 |
S-(ADP-ribosyl)- (on Cysteine) |
| 541 |
N-(ADP-ribosyl)- (on Arginine) |
| 541 |
O-ADP-ribosylation (on Glutamate or C terminus) |
| 541 |
ADP-rybosylation (from NAD) |
| 587 |
S-Phycocyanobilin (on Cysteine) |
| 617 |
S-Heme (on Cysteine) |
| 648 |
N theta -(ADP-ribosyl) diphthamide (of Histidine) |
| 657 |
NeuAc-Hex-HexNAc |
| 783 |
O-8 alpha-Flavin [FAD])- (of Tyrosine) |
| 784 |
S-(6-Flavin [FAD])- (on Cysteine) |
| 784 |
N theta and N pi-(8alpha-Flavin) (on Histidine) |
| 893 |
(Hex)3-HexNAc-HexNAc |
| 1,039 |
(Hex)3-HexNAc-(dHex)HexNAc |