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Proton pump coupled to cytochrome c oxidase in the cyanobacterium Anacystis nidulans.

By G A Peschek


Intact spheroplasts of the cyanobacterium Anacystis nidulans were found to oxidize various exogenous c-type cytochromes with concomitant proton extrusion. In the coupled state, H+/e stoichiometries close to 1 were measured, regardless of absolute reaction rates. It is concluded that the proton translocation observed is an intrinsic property of the cytoplasmic membrane-bound cytochrome c oxidase of A. nidulans

Topics: Research Article
Year: 1983
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Provided by: PubMed Central
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