S-geranylgeranyl-L-cysteine (2R)-2-amino-3-([(2E,6E,10Z)-12-hydroxy-3,7,11-trimethyldodeca-2,6,10-trien-1-yl]sulfanyl)propanoic acid 2-amino-3-(3,7,11,15-tetramethyl-2,6,10,14-hexadecatetraenylthio)propanoic acid 272.250396728515625 272.480010986328125 375.25958251953125 375.6199951171875 A protein modification that effectively converts an L-cysteine residue to S-geranylgeranyl-L-cysteine. C C 20 H 32 N 0 O 0 S 0 C 23 H 37 N 1 O 1 S 1 DeltaMass calculates the mass with two double bonds rather than four Geranyl-geranyl GeranylGeranyl LIPID S-geranylgeranyl cysteine MOD:00113 PSI-MOD S-geranylgeranyl S-geranylgeranyl-L-cysteine SGergerCys Unimod:48 geranylgeranylc natural uniprot.ptm:PTM-0278 geranylgeranylated residue isoprenylated cysteine