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Literature summary extracted from

  • Corvest, V.; Murrey, D.A.; Bernard, D.G.; Knaff, D.B.; Guiard, B.; Hamel, P.P.
    c-type cytochrome assembly in Saccharomyces cerevisiae: a key residue for apocytochrome c1/lyase interaction (2010), Genetics, 186, 561-571.
    View publication on PubMedView publication on EuropePMC

Organism

EC Number Organism UniProt Comment Textmining
4.4.1.B1 Saccharomyces cerevisiae
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4.4.1.17 Saccharomyces cerevisiae
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Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.4.1.B1 apocytochrome c1 + heme
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 Saccharomyces cerevisiae holocytochrome c1
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4.4.1.B1 additional information enzyme does not require the presence of putative redox protein Cyc2p, which is dedicated to the reaction of holocytochrome-c synthase, EC 4.4.1.17. A cytochrome c1 mutant with a CAPCH heme-binding site instead of the wild-type CAACH is strictly dependent upon Cyc2p for assembly. Overexpression of CC1HL, as well as mutations of the proline in the CAPCH site to H, L, S, or T residues, can bypass the absence of Cyc2p. The identity of the second intervening residue in the CXXCH motif is key in determining the holocytochrome-c synthase-dependent versus holocytochrome-c1 synthase-dependent assembly of holocytochrome c1 Saccharomyces cerevisiae ?
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4.4.1.17 apocytochrome c1 + heme apocytochrome c1 mutant with a CAPCH heme-binding site instead of the wild-type CAACH is substrate of holocytochrome-c synthase and strictly dependent upon the presence of putative redox protein Cyc2p for assembly. The identity of the second intervening residue in the CXXCH motif is the key in determining the holocytochrome-c synthase-dependent versus holocytochrome-c1 synthase-dependent assembly of holocytochrome c1 Saccharomyces cerevisiae holocytochrome c1
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