sulfur oxygenated L-cysteine phosphorus containing modified residue L-cysteine sulfinyl phosphate (2R)-2-amino-3-[(phosphonooxy)sulfinyl]propanoic acid 111.9561614990234375 111.98000335693359375 214.9653472900390625 215.1199951171875 A protein modification that effectively converts an L-cysteine residue to L-cysteine sulfinyl phosphate. C C 0 H 1 N 0 O 5 P 1 S 0 C 3 H 6 N 1 O 6 P 1 S 1 L-cysteine sulfinyl phosphate MOD:01847 PSI-MOD cysteine sulfinic phosphoryl ester hypothetical