S-diphytanylglycerol diether-L-cysteine 634.66278076171875 635.1400146484375 737.6719970703125 738.28997802734375 Archaeol S-archaeol cysteine PSI-MOD (2R)-2-amino-3-([(2S)-2,3-bis(3,7,11,15-tetramethylhexadecanyloxy)propyl]sulfanyl)propanoic acid LIPID S-archaeol cysteine none MOD:00228 C 46 H 91 N 1 O 3 S 1 C 43 H 86 O 2 SPhyt2GlyceroCys A protein modification that effectively converts an L-cysteine residue to S-diphytanylglycerol diether-L-cysteine. incidental to RESID:AA0043. C S-diphytanylglycerol diether S-[2',3'-bis(phytanyloxy)propyl]cysteine natural S-(diphytanylglyceryl)-L-cysteine modified L-cysteine residue lipoconjugated residue