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Article

Absence of the cbb3 Terminal Oxidase Reveals an Active Oxygen-Dependent Cyclase Involved in Bacteriochlorophyll Biosynthesis in Rhodobacter sphaeroides.

Journal of bacteriology - 1 Aug 2016

Chen Guangyu E, Canniffe Daniel P, Martin Elizabeth C, Hunter C Neil

Abstract excerpt

UNLABELLED: The characteristic green color associated with chlorophyll pigments results from the formation of an isocyclic fifth ring on the tetrapyrrole macrocycle during the biosynthesis of these important molecules. This reaction is catalyzed by two unrelated cyclase enzymes employing different chemistries. Oxygenic phototrophs such as plants and cyanobacteria utilize an oxygen-dependent enzyme, the major...

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Identifiers

PMID: 27215788
DOI: 10.1128/JB.00121-16
PMCID: PMC4944227

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Source receipt: pubmed, retrieved 7 Sept 2026.

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