Modified amino acids

SB-PEPTIDE offers about all possible amino acid modifications. Other peptide modifications are listed in the section N-ter/Internal/C-ter peptide modifications

List of special amino acids

 Pyroglutamate Met[OH] : oxidized methionine Cys[CAM]
Noreleucine – Nle D-form amino acids Ornithine – Orn
Aminobutyric acid – Abu 2,3-Diaminopropionic acid – DAP Citruline : arginine derivative
Aminoisobutyric acid – Aib  gamma-Carboxyglutamic acid – Gla  2-(4′-Pentenyl)alanine
Lys(crotonyl) Methyl-Lysine Methyl-Arginine
Homophenylalanine Hydroxy-Proline – Hyp Kynurenine – Kyn
Allyl-Glycine Norvaline – Nva

Diazirine – photo Leu/Met

Phosphorylated Y, S, T Nitro-tyrosine


W(6-Cl) ACPC


L-Pyroglutamic acid


This list is not exhaustive. Feel free to contact us to discuss about your project. For additional visit SB-PEPTIDE’s Amino acids chart.