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A perspective on Q-cycles

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Abstract

An examination is made of both the Q-cycle andb-cycle formulations of electron transfer and energy conservation in the cytochromebc 1 complex. A working hypothesis for the complex is presented, based upon the Q-cycle notion of vectorial reaction sites, but incorporating theb-cycle feature of semiquinone movement between these sites.

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Author notes

  1. Peter R. Rich

    Present address: The Glynn Research Foundation Ltd., PL30 4AU, Bodmin, Cornwall, U.K.

Authors and Affiliations

  1. Department of Biochemistry, University of Cambridge, Tennis Court Road, CB2 1QW, Cambridge, United Kingdom

    Peter R. Rich

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  1. Peter R. Rich
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Rich, P.R. A perspective on Q-cycles. J Bioenerg Biomembr 18, 145–156 (1986). https://doi.org/10.1007/BF00743461

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  • DOI: https://doi.org/10.1007/BF00743461

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