Stoichiometry of proton pumping by the cbb(3)-type oxygen reductase in whole cells of Rhodobacter capsulatus at pH 7 is about 0.5 H+ per electron

dc.authorid0000-0002-4095-6619en_US
dc.contributor.authorMurali, Ranjani
dc.contributor.authorYıldız, Gökçe Gülgez
dc.contributor.authorDaldal, Fevzi
dc.contributor.authorGennis, Robert B.
dc.date.accessioned2021-06-23T19:29:18Z
dc.date.available2021-06-23T19:29:18Z
dc.date.issued2012
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Biyoloji Bölümüen_US
dc.description.abstractRecently, we reported (1) that the stoichiometry of proton pumping is about 0.4–0.5 proton per electron for members of the C family of respiratory oxygen reductases, also called the cbb3-type cytochrome c oxidases. This amount (0.5) is about half of the value obtained with the canonical A family of respiratory oxygen reductases, which includes the mitochondrial cytochrome c oxidases. We pointed out that the low stoichiometry correlates with the absence of the D channel for proton input and speculated that these properties may be an evolutionary adaptation to aerobic respiration under conditions of low oxygen.en_US
dc.identifier.doi10.1073/pnas.1207216109
dc.identifier.endpageE2144en_US
dc.identifier.issn0027-8424
dc.identifier.issue32en_US
dc.identifier.pmid22761318en_US
dc.identifier.scopus2-s2.0-84864655294en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpageE2144en_US
dc.identifier.urihttps://doi.org/10.1073/pnas.1207216109
dc.identifier.urihttps://hdl.handle.net/20.500.12491/7151
dc.identifier.volume109en_US
dc.identifier.wosWOS:000307551700001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorYıldız, Gökçe Gülgez
dc.language.isoenen_US
dc.publisherNatl Acad Sciencesen_US
dc.relation.ispartofProceedings Of The National Academy Of Sciences Of The United States Of Americaen_US
dc.relation.publicationcategoryDiğeren_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRhodobacteren_US
dc.titleStoichiometry of proton pumping by the cbb(3)-type oxygen reductase in whole cells of Rhodobacter capsulatus at pH 7 is about 0.5 H+ per electronen_US
dc.typeLetteren_US

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