Charge transfer in the K proton pathway linked to electron transfer to the catalytic site in cytochrome c oxidase.

Abstract excerpt

Cytochrome c oxidase couples electron transfer from cytochrome c to O 2 to proton pumping across the membrane. In the initial part of the reaction of the reduced cytochrome c oxidase with O 2, an electron is transferred from heme a to the catalytic site, parallel to the membrane surface. Even though this electron transfer is not linked to proton uptake from solution, recently Belevich et al. [(2006) Nature 440,...

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