Article
Low-spin heme A in the heme A biosynthetic protein CtaA from Bacillus subtilis.
European journal of biochemistry - 15 May 1996
Svensson B, Andersson K K, Hederstedt L
Abstract excerpt
Synthesis of heme A from heme B (protoheme IX) most likely occurs in two steps with heme O as an intermediate. Bacillus subtilis CtaB, an integral membrane protein, functions in farnesylation of heme B to form heme O. CtaA, also a membrane protein, is required for heme A synthesis from heme O and appears to be a monooxygenase and/or a dehydrogenase. Wild-type ctaA and ctaB expressed together from plasmids in B....
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