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This review is focused on the mechanism of ubiquinol oxidation by the cytochrome bc 1 complex (bc 1 ). This integral membrane complex serves as a “hub” in the vast majority of electron transfer chains. The bc 1 oxidizes a ubiquinol molecule to ubiquinone by a unique “bifurcated” reaction where the two released electrons go to different acceptors: one is accepted by the mobile...
Proton transfer reactions on surfaces are prevalent in biology, chemistry and physics. In the present study, we employed classical Molecular Dynamics simulations to search for the presence of transient configurations that enable proton transfer, or proton sharing, between adjacent carboxylate groups on the protein surface. The results demonstrate that, during random fluctuations of the residues on...
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