4.4.1.17	apo-iso-1 cytochrome c + heme	single residue variants of five conserved N-terminal residues G6A, K10A, G11A, F15A and R18A of Saccharomyces cerevisiae iso-1 cytochrome c. F15A replacement, corresponding to F10 in the horse cytochrome c, is not matured at all. G6A, K10A, G11A, and R18A variants are matured	Saccharomyces cerevisiae	holocytochrome c	-	?	416580	
4.4.1.17	apo-MccA + heme	MccA contains seven conventional heme-binding motifs and a CX15CH sequence involved in binding of an additional heme catalyzed by a specific lyase enzyme	Wolinella succinogenes	holo-MccA	octaheme protein	?	391297	
4.4.1.17	Apocytochrome c + heme	-	Mus musculus	Holocytochrome c	-	?	73055	
4.4.1.17	Apocytochrome c + heme	-	Saccharomyces cerevisiae	Holocytochrome c	-	?	73055	
4.4.1.17	Apocytochrome c + heme	-	Neurospora crassa	Holocytochrome c	-	?	73055	
4.4.1.17	Apocytochrome c + heme	-	Homo sapiens	Holocytochrome c	-	?	73055	
4.4.1.17	Apocytochrome c + heme	-	Candida albicans	Holocytochrome c	-	?	73055	
4.4.1.17	Apocytochrome c + heme	catalyzes covalent attachment of heme group to two cysteine residues in the protein	Neurospora crassa	Holocytochrome c	-	?	73055	
4.4.1.17	Apocytochrome c + heme	reaction is catalyzed by a complex formed by two enzymes: CcmF and CcmH	Escherichia coli	Holocytochrome c	-	?	73055	
4.4.1.17	Apocytochrome c + heme	chimeric substrate comprising a short Saccharomyces cerevisiae mitochondrial cytochrome c N-terminal region plus the C-terminal sequence, including the CXXCH heme-binding motif, of Paracoccus denitrificans cytochrome c that is not otherwise processed by HCCS. Saccharomyces cerevisiae HCCS is able to attach heme to the chimeric protein	Saccharomyces cerevisiae	Holocytochrome c	-	?	73055