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Literature summary for 4.4.1.B1 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
Search for more literature for 4.4.1.B1

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
apocytochrome c1 + heme
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 Saccharomyces cerevisiae holocytochrome c1
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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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