There are two modifications: variable and fixed (See Xilmass parameters). modifications should be listed by separating semi-colon ; on given the properties of either fixedModification or variableModification.

Avaliable modifications are listed below.

  • Acetylation of K

  • Acetylation of peptide N-term

  • Acetylation of protein N-term

  • Carbamidomethylation of C

  • Carbamidomethylation of E

  • Carbamidomethylation of K

  • Oxidation of M

  • Oxidation of P

  • Oxidation of K

  • Oxidation of Carbamidomethylation

  • Dioxidation of M

  • Dioxidation of W

  • Trioxidation of C

  • Phosphorylation of S

  • Phosphorylation of T

  • Phosphorylation of Y

  • Arginine 13C(6)

  • Arginine 13C(6) 15N(4)

  • Lysine 2H(4)

  • Lysine 13C(6)

  • Lysine 13C(6) 15N(2)

  • Proline 13C(5)

  • 4-Hydroxyproline

  • Leucine 13C(6) 15N(1)

  • Isoleucine 13C(6) 15N(1)

  • Dimethylation of K 2H(4)

  • Dimethylation of K 2H(6)

  • Dimethylation of peptide N-term K 2H(4)

  • Dimethylation of peptide N-term 2H(6)

  • Dimethylation of peptide N-term 2H(6) 13C(2)

  • 18O(2) of peptide C-term

  • 18O(1) of peptide C-term

  • ICAT-O

  • ICAT-9

  • ICPL0 of K

  • ICPL0 of peptide N-term

  • ICPL4 of K

  • ICPL4 of peptide N-term

  • ICPL6 of K

  • ICPL6 of peptide N-term

  • ICPL10 of K

  • ICPL10 of peptide N-term

  • mTRAQ of K light

  • mTRAQ of peptide N-term light

  • mTRAQ of K 13C(3) 15N

  • mTRAQ of peptide N-term 13C(3) 15N

  • mTRAQ of 13C(6) 15N(2)

  • mTRAQ of peptide N-term 13C(6) 15N(2)

  • iTRAQ 4-plex of peptide N-term

  • iTRAQ 4-plex of K

  • iTRAQ 8-plex of peptide N-term

  • iTRAQ 8-plex of K

  • iTRAQ 8-plex of Y

  • TMT 2-plex of peptide N-term

  • TMT 2-plex of K

  • TMT 6-plex of peptide N-term

  • TMT 6-plex of K

  • TMT 10-plex of peptide N-term

  • TMT 10-plex of K

  • Ubiquitination of K

  • Methylation of K

  • Methylation of R

  • Methylation of E

  • Methylation of C

  • Methylation of D

  • Methylation of S

  • Dimethylation of K

  • Dimethylation of peptide N-term K

  • Dimethylation of R

  • Trimethylation of K

  • Trimethylation of R

  • Trimethylation of protein N-term A

  • Pyrolidone from E

  • Pyrolidone from Q

  • Pyrolidone from carbamidomethylated C

  • HexNAc of S

  • HexNAc of T

  • Hex(1)NAc(1) of S

  • Hex(1)NAc(1) of T

  • Hexose of K

  • Hex(5) HexNAc(4) NeuAc(2) of N

  • Hex(5) HexNAc(4) NeuAc(2) Na of N

  • SUMO-2/3 Q87R

  • Deamidation of N

  • Deamidation of Q

  • Deamidation of N 18O

  • Carbamilation of protein N-term

  • Carbamilation of K

  • Acetaldehyde +26

  • Sodium adduct to D

  • Sodium adduct to E

  • Amidation of the peptide C-term

  • Amidation of the protein C-term

  • Sulfonation of S

  • Sulfonation of T

  • Sulfonation of Y

  • Palmitoylation of C

  • Palmitoylation of K

  • Palmitoylation of S

  • Palmitoylation of T

  • Palmitoylation of protein N-term

  • Formylation of K

  • Formylation of S

  • Formylation of T

  • Formylation of peptide N-term

  • Formylation of protein N-term

  • Propionyl of K light

  • Propionyl of peptide N-term light

  • Propionyl of K heavy

  • Propionyl of peptide N-term heavy

  • Trideuterated Methyl Ester of D

  • Trideuterated Methyl Ester of E

  • Trideuterated Methyl Ester of K

  • Trideuterated Methyl Ester of R

  • Trideuterated Methyl Ester of peptide C-term

  • Carboxymethylation of C

  • Farnesylation of C

  • Geranyl-geranyl of C

  • Guanidination of K

  • Guanidination of peptide N-term

  • Homoserine of peptide C-term M

  • Homoserine lactone of peptide C-term M

  • Lipoyl of K

  • Methylthio of D

  • Methylthio of N

  • Methylthio of C

  • NIPCAM of C

  • Propionamide of C

  • Propionamide of K

  • Propionamide of peptide N-term

  • Pyridylethyl of C

  • Dehydration of S

  • Dehydration of T

  • Nethylmaleimide of C

  • Glutathione of C

  • FormylMet of protein N-term

  • Didehydro of T

  • Thioacyl of peptide N-term

  • Diiodination of Y