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- Title
Structure and function of cytochrome bc complexes.
- Authors
Berry, E A; Guergova-Kuras, M; Huang, L S; Crofts, A R
- Abstract
The cytochrome bc complexes represent a phylogenetically diverse group of complexes of electron-transferring membrane proteins, most familiarly represented by the mitochondrial and bacterial bc1 complexes and the chloroplast and cyanobacterial b6f complex. All these complexes couple electron transfer to proton translocation across a closed lipid bilayer membrane, conserving the free energy released by the oxidation-reduction process in the form of an electrochemical proton gradient across the membrane. Recent exciting developments include the application of site-directed mutagenesis to define the role of conserved residues, and the emergence over the past five years of X-ray structures for several mitochondrial complexes, and for two important domains of the b6f complex.
- Publication
Annual review of biochemistry, 2000, Vol 69, p1005
- ISSN
0066-4154
- Publication type
Journal Article
- DOI
10.1146/annurev.biochem.69.1.1005