contains L-cysteine glutathione disulfide (2S)-2-amino-3-((2S)-2-((4R)-4-amino-4-carboxyl-1-oxobutyl)amino-3-(carboxylmethyl)amino-3-oxo-propyl)dithio-propanoic acid 305.068145751953125 305.29998779296875 408.07733154296875 408.44000244140625 A protein modification that effectively converts an L-cysteine residue to S-glutathionyl-L-cysteine. C C 10 H 15 N 3 O 6 S 1 C 13 H 20 N 4 O 7 S 2 Glutamyl-transpeptidase cleaves glutathione into cysteinylglycine (Cys-Gly) and a Glu residue. [PubMed: 28537416] Glutathionation Glutathione L-cysteine glutathione disulfide L-gamma-glutamyl-L-cysteinyl-glycine (2-1')-disulfide with L-cysteine MOD:00234 MOD_RES S-glutathionyl cysteine N-(N-gamma-glutamyl-cystinyl)-glycine PSI-MOD SGltCys Unimod:55 cysteinyl glutathione glutathione disulfide glutathionec natural uniprot.ptm:PTM-0311 modified L-cysteine residue disulfide conjugated residue S-(cysteinyl-glycyl)-L-cysteine