ID 4.4.1.17 DE Holocytochrome-c synthase. AN Cytochrome c heme-lyase. AN Cytochrome c synthase. CA Holocytochrome c = apocytochrome c + heme. CC -!- In the reverse direction, the enzyme catalyzes the attachment of heme CC to two cysteine residues in the protein, forming thioether links. PR PROSITE; PDOC00647; DR A5PJG7, CCHL_BOVIN ; P53703, CCHL_CAEEL ; P53700, CCHL_CANAW ; DR Q5F339, CCHL_CHICK ; Q552W5, CCHL_DICDI ; P53701, CCHL_HUMAN ; DR P53702, CCHL_MOUSE ; P14187, CCHL_NEUCR ; O74794, CCHL_SCHPO ; DR P06182, CCHL_YEAST ; //