ID 2.8.5.1 DE S-sulfo-L-cysteine synthase (3-phospho-L-serine-dependent). CA O-phospho-L-serine + thiosulfate = phosphate + S-sulfo-L-cysteine. CC -!- The enzyme, which has been characterized from the bacterium CC Mycobacterium tuberculosis, has no activity with O-acetyl-L-serine. CC cf. EC 2.5.1.144. DR Q79FV4, CYSK2_MYCTU; //