The Q-cycle reviewed: How well does a monomeric mechanism of the bc1 complex account for the function of a dimeric complex?
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Crofts, 2004, The cytochrome bc1 complex — function in the context of structure, Annu. Rev. Physiol., 66, 689, 10.1146/annurev.physiol.66.032102.150251
Crofts, 2005, The bc1 complex: what is there left to argue about?, 123
Crofts, 2004, Proton-coupled electron transfer at the Qo-site of the bc1 complex controls the rate of ubihydroquinone oxidation, Biochim. Biophys. Acta, 1655, 77, 10.1016/j.bbabio.2003.10.012
Crofts, 2006, Proton pumping in the bc1 complex: a new gating mechanism that prevents short circuits, Biochim. Biophys. Acta, 1757, 1019, 10.1016/j.bbabio.2006.02.009
Covian, 2005, Rapid electron transfer between monomers when the cytochrome bc1 complex dimer is reduced through center N, J. Biol. Chem., 280, 22732, 10.1074/jbc.M413592200
Osyczka, 2004, Reversible redox energy coupling in electron transfer chains, Nature, 427, 607, 10.1038/nature02242
Hunte, 2003, Protonmotive pathways and mechanisms in the cytochrome bc1 complex, FEBS Lett., 545, 39, 10.1016/S0014-5793(03)00391-0
Mulkidjanian, 2005, Ubiquinol oxidation in the cytochrome b1 complex: reaction mechanism and prevention of short-circuiting, Biochim. Biophys. Acta, 1709, 5, 10.1016/j.bbabio.2005.03.009
Mulkidjanian, 2007, Proton translocation by the cytochrome bc1 complexes of phototrophic bacteria: introducing the activated Q-cycle, Photochem. Photobiol. Sci., 6, 19, 10.1039/B517522D
Rich, 2004, The quinone chemistry of bc complexes, Biochim. Biophys. Acta, 1658, 165, 10.1016/j.bbabio.2004.04.021
Crofts, 1983, The role of the quinone pool in the cyclic electron-transfer chain of Rhodopseudomonas sphaeroides: a modified Q-cycle mechanism, Biochim. Biophys. Acta, 723, 202, 10.1016/0005-2728(83)90120-2
Crofts, 2003, The Q-cycle, — a personal perspective, Photosynth. Res., 80, 223, 10.1023/B:PRES.0000030444.52579.10
Skulachev, 1996, Role of uncoupled and non-coupled oxidations in maintenance of safely low levels of oxygen and its one-electron reductants, Q. Rev. Biophys., 29, 169, 10.1017/S0033583500005795
Boveris, 1984, Determination of the production of superoxide radicals and hydrogen-peroxide in mitochondria, Methods Enzymol., 105, 429, 10.1016/S0076-6879(84)05060-6
Turrens, 1985, Ubisemiquinone is the electron donor for superoxide formation by complex III of heart mitochondria, Arch. Biochem. Biophys., 237, 408, 10.1016/0003-9861(85)90293-0
Muller, 2000, The nature and mechanism of superoxide production by the electron transport chain: its relevance to aging, J. Am. Aging Assoc., 23, 227
Sun, 2003, Superoxide anion generation by the cytochrome bc1 complex, Arch. Biochem. Biophys., 419, 198, 10.1016/j.abb.2003.08.028
Raha, 2001, Mitochondria, oxygen free radicals, and apoptosis, Am. J. Med. Genet., 106, 62, 10.1002/ajmg.1398
Chen, 2003, Production of reactive oxygen species by mitochondria: central role of complex III, J. Biol. Chem., 278, 36027, 10.1074/jbc.M304854200
Kristal, 1997, Defects at center P underlie diabetes-associated mitochondrial dysfunction, Free Radic. Biol. Med., 22, 823, 10.1016/S0891-5849(96)00428-5
Fisher, 2002, The bc1 complex: structure, function and dysfunction, 97
Fisher, 2001, Effects of mutations in mitochondrial cytochrome b in yeast and man — deficiency, compensation and disease, Eur. J. Biochem., 268, 1155, 10.1046/j.1432-1327.2001.02010.x
Crofts, 1983, The electrochemical domain of photosynthesis, Biochim. Biophys. Acta, 726, 149, 10.1016/0304-4173(83)90004-6
Hong, 1999, The energy landscape for ubihydroquinone oxidation at the Qo-site of the bc1 complex in Rhodobacter sphaeroides, J. Biol. Chem., 274, 33931, 10.1074/jbc.274.48.33931
Crofts, 1989, How rapid are the internal reactions of the ubiquinol:cytochrome c2 oxidoreductase?, Photosynth. Res., 22, 69, 10.1007/BF00114768
Xia, 1997, Crystal structure of the cytochrome bc1 complex from bovine heart mitochondria, Science, 277, 60, 10.1126/science.277.5322.60
Zhang, 1998, Electron transfer by domain movement in cytochrome bc1, Nature (Lond.), 392, 677, 10.1038/33612
Iwata, 1998, Complete structure of the 11-subunit bovine mitochondrial cytochrome bc1 complex, Science, 281, 64, 10.1126/science.281.5373.64
Hunte, 2001, Insights from the structure of the yeast cytochrome bc1 complex: crystallization of membrane proteins with antibody fragments, FEBS Lett., 504, 126, 10.1016/S0014-5793(01)02744-2
Berry, 2004, X-ray structure of Rhodobacter capsulatus cytochrome bc1: comparison with its mitochondrial and chloroplast counterparts, Photosynth. Res., 81, 251, 10.1023/B:PRES.0000036888.18223.0e
Esser, 2006, Surface-modulated motion switch: capture and release of iron–sulfur protein in the cytochrome bc1 complex, Proc. Natl. Acad. Sci. U. S. A., 103, 13045, 10.1073/pnas.0601149103
Palsdottir, 2003, Structure of the yeast cytochrome bc1 complex with a hydroxyquinone anion Qo site inhibitor bound, J. Biol. Chem., 278, 31303, 10.1074/jbc.M302195200
Crofts, 1999, Mechanism of ubiquinol oxidation by the bc1 complex: the different domains of the quinol binding pocket, and their role in mechanism, and the binding of inhibitors, Biochemistry, 38, 15807, 10.1021/bi990962m
Crofts, 1999, Physicochemical aspects of the movement of the Rieske iron sulfur protein during quinol oxidation by the bc1 complex, Biochemistry, 38, 15827, 10.1021/bi990963e
Izrailev, 1999, Steered molecular dynamics simulation of the Rieske subunit motion in the cytochrome bc1 complex, Biophys. J., 77, 1753, 10.1016/S0006-3495(99)77022-0
Crofts, 2003, The modified Q-cycle explains the apparent mismatch between the kinetics of reduction of cytochromes c1 and bH in the bc1 complex, J. Biol. Chem., 278, 36191, 10.1074/jbc.M305461200
Engstrom, 2002, Photoinduced electron transfer between the Rieske iron–sulfur protein and cytochrome c1 in the Rhodobacter sphaeroides cytochrome bc1complex: effects of pH, temperature, and driving force, J. Biol. Chem., 277, 31072, 10.1074/jbc.M202594200
Rajagukguk, 2007, Effect of mutations in the cytochrome b ef loop on the electron-transfer reactions of the Rieske iron–sulfur protein in the cytochrome bc1 complex, Biochemistry, 46, 1791, 10.1021/bi062094g
Crofts, 2000, Proton-coupled electron transfer at the Qo-site: what type of mechanism can account for the high activation barrier?, Biochim. Biophys. Acta, 1459, 456, 10.1016/S0005-2728(00)00184-5
Gao, 2003, Structural basis for the quinone reduction in the bc1 complex: a comparative analysis of crystal structures of mitochondrial cytochrome bc1 with bound substrate and inhibitors at the Qi site, Biochemistry, 42, 9067, 10.1021/bi0341814
Crofts, 2002, Interactions of quinone with the iron–sulfur protein of the bc(1) complex: is the mechanism spring-loaded?, Biochim. Biophys. Acta, 1555, 48, 10.1016/S0005-2728(02)00253-0
Samoilova, 2002, The interaction of the Rieske iron sulfur protein with occupants of the Qo-site of the bc1 complex, probed by 1D and 2D electron spin echo envelope modulation, J. Biol. Chem., 277, 4605, 10.1074/jbc.C100664200
Zu, 2003, The reduction potentials of Rieske clusters: the importance of the coupling between oxidation state and histidine protonation state, Biochemistry, 42, 12400, 10.1021/bi0350957
Ugulava, 1998, CD-monitored redox titration of the Rieske Fe–S protein of Rhodobacter sphaeroides: pH dependence of the mid-point potential in isolated bc1 complex and in membranes, FEBS Lett., 440, 409, 10.1016/S0014-5793(98)01493-8
Dikanov, 2006, Identification of hydrogen bonds to the Rieske cluster through the weakly coupled nitrogens detected by electron spin echo envelope modulation spectroscopy, J. Biol. Chem., 281, 27416, 10.1074/jbc.M604103200
Kolling, 2007, iron–sulfur protein of cytochrome bc1 complex: exploring the roles of hydrogen bonding in tuning the redox potential of iron–sulfur clusters, Structure, 15, 1, 10.1016/j.str.2006.11.012
Iwasaki, 2004, Characterization of the pH-dependent resonance Raman transitions of archaeal and bacterial Rieske [2Fe–2S] proteins, J. Am. Chem. Soc., 126, 4788, 10.1021/ja031976p
Iwasaki, 2006, Resonance Raman characterization of archaeal and bacterial Rieske protein variants with modified hydrogen bond network around the [2Fe–2S] center, Protein Sci., 15, 2019, 10.1110/ps.052035406
Ullmann, 2002, Density functional calculation of pKa values and redox potentials in the bovine Rieske iron–sulfur protein, J. Biol. Inorg. Chem., 7, 632, 10.1007/s00775-002-0342-6
Colbert, 2000, A cluster exposed: structure of the Rieske ferredoxin from biphenyl dioxygenase and the redox properties of Rieske Fe–S proteins, Structure, 8, 1267, 10.1016/S0969-2126(00)00536-0
Hunsicker-Wang, 2003, High-resolution structure of the soluble, respiratory-type Rieske protein from Thermus thermophilus: analysis and comparison, Biochemistry, 42, 7303, 10.1021/bi0342719
Trumpower, 2002, A concerted, alternating sites mechanism of ubiquinol oxidation by the dimeric cytochrome bc1 complex, Biochim. Biophys. Acta, 1555, 166, 10.1016/S0005-2728(02)00273-6
Sadoski, 2000, Use of a photoactivated ruthenium dimer complex to measure electron transfer between the Rieske iron–sulfur protein and cytochrome c1 in the cytochrome bc1 complex, Biochemistry, 39, 4231, 10.1021/bi000003o
Link, 1997, The role of the “Rieske” iron sulfur protein in the hydroquinone oxidation (Qp−) site of the cytochrome bc1 complex: the “proton-gated affinity change” mechanism, FEBS Lett., 412, 257, 10.1016/S0014-5793(97)00772-2
Berry, 2003, Observations concerning the quinol oxidation site of the cytochrome bc1 complex, FEBS Lett., 555, 13, 10.1016/S0014-5793(03)01099-8
Schröter, 1998, Mutational analysis of residues forming hydrogen bonds in the Rieske [2Fe2S] cluster of the cytochrome bc1 complex of Paracoccus denitrificans, Eur. J. Biochem., 255, 100, 10.1046/j.1432-1327.1998.2550100.x
Denke, 1998, Alteration of the midpoint potential of the Rieske iron–sulfur protein by changes of amino acids forming H-bonds to the iron–sulfur cluster, J. Biol. Chem., 273, 9085, 10.1074/jbc.273.15.9085
Guergova-Kuras, 2000, Specific mutagenesis of the Rieske iron sulfur protein in Rhodobacter sphaeroides shows that both thermodynamic gradient and the pK of the oxidized form determine the rate of quinol oxidation by the bc1 complex, Biochemistry, 39, 7436, 10.1021/bi992491+
Crofts, 1999, Pathways for proton release during ubihydroquinone oxidation by the bc1 complex, Proc. Natl. Acad. Sci. U. S. A., 96, 10021, 10.1073/pnas.96.18.10021
Crofts, 2002, Proton processing at the Qo-site of the bc1 complex of Rhodobacter sphaeroides, 6
Lin, 2006, Rieske protein from Thermus thermophilus: 15N NMR titration study demonstrates the role of iron-ligated histidines in the pH dependence of the reduction potential, J. Am. Chem. Soc., 128, 10672, 10.1021/ja0627388
Iwaki, 2005, Direct observation of redox-linked histidine protonation changes in the iron–sulfur protein of the cytochrome bc(1) complex by ATR-FTIR spectroscopy, Biochemistry, 44, 4230, 10.1021/bi047533v
Iwaki, 2004, ATR-FTIR spectroscopy studies of iron–sulfur protein and cytochrome c1 in the Rhodobacter capsulatus cytochrome bc1 complex, Biochemistry, 43, 9477, 10.1021/bi049211x
Hunte, 2000, Structure at 2.3 Å resolution of the cytochrome bc1 complex from the yeast Saccharomyces cerevisiae co-crystallized with an antibody Fv fragment, Structure, 8, 669, 10.1016/S0969-2126(00)00152-0
Osyczka, 2006, Role of the PEWY glutamate in hydroquinone–quinone oxidation-reduction catalysis in the Qo site of cytochrome bc1, Biochemistry, 45, 10492, 10.1021/bi060013a
Wenz, 2007, Mutational analysis of cytochrome b at the ubiquinol oxidation site of yeast complex III, J. Biol. Chem., 282, 3977, 10.1074/jbc.M606482200
Seddiki, 2008, Is cytochrome b glutamic acid 272 a quinol binding residue in the bc1 complex of Saccharomyces cerevisiae?, Biochemistry, 47, 2357, 10.1021/bi701905a
Klingen, 2007, Redox-linked protonation state changes in cytochrome bc1 identified by Poisson–Boltzmann electrostatics calculations, Biochim. Biophys. Acta, 1767, 204, 10.1016/j.bbabio.2007.01.016
Forquer, 2006, Similar transition states mediate the Q-cycle and superoxide production by the cytochrome bc1 complex, J. Biol. Chem., 281, 38459, 10.1074/jbc.M605119200
Cape, 2007, A semiquinone intermediate generated at the Qo site of the cytochrome bc1 complex: importance for the Q-cycle and superoxide production, Proc. Natl. Acad. Sci. U. S. A., 104, 7887, 10.1073/pnas.0702621104
Zhang, 2007, Exposing the complex III Qo semiquinone radical, Biochim. Biophys. Acta, 1767, 883, 10.1016/j.bbabio.2007.04.004
Zhu, 2007, Simultaneous reduction of iron–sulfur protein and cytochrome bL during ubiquinol oxidation in cytochrome bc1 complex, Proc. Natl. Acad. Sci. U. S. A., 104, 4864, 10.1073/pnas.0607812104
Junemann, 1998, On the mechanism of quinol oxidation in the bc1 complex, J. Biol. Chem., 273, 21603, 10.1074/jbc.273.34.21603
De Vries, 1983, The effect of pH, ubiquinone depletion and myxothiazol on the reduction kinetics of the prosthetic groups of QH2:cytochrome c oxidoreductase, Biochim. Biophys. Acta, 723, 91, 10.1016/0005-2728(83)90013-0
Kolling, 2003, Exploration of ligands to the Qi-site semiquinone in the bc1 complex using high resolution EPR, J. Biol. Chem., 278, 39747, 10.1074/jbc.M305913200
De Vries, 1982, Oxidation-reduction properties of an antimycin-sensitive semiquinone anion bound to QH2:cytochrome c oxidoreductase, 235
Robertson, 1984, Thermodynamic properties of the semiquinone and its binding site in the ubiquinol:cytochrome c (c2) oxidoreductase of respiratory and photosynthetic systems, J. Biol. Chem., 259, 1758, 10.1016/S0021-9258(17)43472-7
Crofts, 1995, Structure and function in the bc1 complex of Rb. sphaeroides, vol. II, 493
Glaser, 1984, Reduction of cytochrome b561 through the antimycin-sensitive site of the ubiquinol:cytochrome c2 oxidoreductase complex of Rps. sphaeroides, FEBS Lett., 178, 336, 10.1016/0014-5793(84)80629-8
Meinhardt, 1984, A new effect of antimycin on the b-cytochromes of Rps. sphaeroides, vol. 1, 649
Salerno, 1989, Thermodynamic and spectroscopic characteristics of the cytochrome bc1 complex. Role of quinone in the behavior of cytochrome b562, J. Biol. Chem., 264, 15398, 10.1016/S0021-9258(19)84841-X
Salerno, 1990, Electron nuclear double resonance (ENDOR) of the Qc-ubiSQ radical in the mitochondrial electron transport chain, Biochemistry, 29, 6987, 10.1021/bi00482a006
Dikanov, 2004, Hydrogen bonds involved in binding the Qi-site semiquinone in the bc1 complex, identified through deuterium exchange using pulsed EPR, J. Biol. Chem., 279, 15814, 10.1074/jbc.M313417200
Rich, 1990, Inhibitor effects on redox-linked protonations of the b hemes of the mitochondrial bc1 complex, Biochim. Biophys. Acta, 1018, 29, 10.1016/0005-2728(90)90106-E
Huang, 2005, Binding of the respiratory chain inhibitor antimycin to the mitochondrial bc1 complex: a new crystal structure reveals an altered intramolecular hydrogen-bonding pattern, J. Mol. Biol., 351, 573, 10.1016/j.jmb.2005.05.053
Esser, 2008, Inhibitor complexed structures of the cytochrome bc1 complex from the photosynthetic bacterium Rhodobacter sphaeroides, J. Biol. Chem., 283, 2846, 10.1074/jbc.M708608200
Carugo, 2005, When X-rays modify the protein structure: radiation damage at work, Trends Biochem. Sci., 30, 213, 10.1016/j.tibs.2005.02.009
Weiss, 2005, On the influence of the incident photon energy on the radiation damage in crystalline biological samples, J. Synchrotron Radiat., 12, 304, 10.1107/S0909049505003328
Dikanov, 2007, Hydrogen bonds between nitrogen donors and the semiquinone in the Qi-site of the bc1 complex, J. Biol. Chem., 282, 25831, 10.1074/jbc.M702333200
Dutton, 1972, Thermodynamic and kinetics characterization of electron-transfer components in situ in Rps. spheroides and Rhodospirillum rubrum, Eur. J. Biochem., 30, 495, 10.1111/j.1432-1033.1972.tb02121.x
Dutton, 1976, Redox potentiometry in biological systems, Methods Enzymol., 54, 411
K.M. Andrews, Purification and characterization of the cytochrome bc1 complex from Rhodobacter sphaeroides. Ph.D. Thesis, University of Illinois at Urbana-Champaign., 1984.
Crofts, 1995, Structure and function in the bc1-complex of Rb. sphaeroides, vol. II, 493
Robertson, 1984, Thermodynamic properties of the semiquinone and its binding site in the ubiquinol-cytochrome c (c2) oxidoreductase of respiratory and photosynthetic systems, J. Biol. Chem., 259, 1758, 10.1016/S0021-9258(17)43472-7
Rich, 1990, Inhibitor effects on redox-linked protonations of the b haems of the mitochondrial bc1 complex, Biochim. Biophys. Acta, 1018, 29, 10.1016/0005-2728(90)90106-E
Zweck, 1989, The pathway of the quinol/quinone transhydrogenation reaction in ubiquinol: cytochrome-c reductase of Neurospora mitochondria, Eur. J. Biochem., 183, 199, 10.1111/j.1432-1033.1989.tb14913.x
Rich, 1991, The interactions of duroquinol, DBMIB and NQNO with the chloroplast cytochrome bf complex, Biochim. Biophys. Acta, 1058, 312, 10.1016/S0005-2728(05)80252-X
Shinkarev, 2001, The electric field generated by photosynthetic reaction center induces rapid reversed electron transfer in the bc(1) complex, Biochemistry, 40, 12584, 10.1021/bi011334j
Siedow, 1978, The preparation and characterization of highly purified enzymically active complex III from baker's yeast, J. Biol. Chem., 253, 2392, 10.1016/S0021-9258(17)38087-0
de la Rosa, 1983, Reductive titration of CoQ-depleted complex III from baker's yeast: evidence for an exchange-coupled complex between QHand low-spin ferricytochrome b, FEBS Lett., 163, 140, 10.1016/0014-5793(83)81181-8
Cooley, 2005, Binding dynamics at the quinone reduction (Qi) site influence the equilibrium interactions of the iron sulfur protein and hydroquinone oxidation (Qo) site of the cytochrome bc1 complex., Biochemistry, 44, 10520, 10.1021/bi050571+
Yu, 2002, Inter- and intra-molecular electron transfer in the cytochrome bc1 complex, Biochim. Biophys. Acta, 1555, 65, 10.1016/S0005-2728(02)00256-6
Gong, 2005, Evidence for electron equilibrium between the two hemes bL in the dimeric cytochrome bc1 complex, J. Biol. Chem., 280, 9251, 10.1074/jbc.M409994200
Crofts, 1998, Structure and function of the cytochrome bc1 complex of mitochondria and photosynthetic bacteria, Curr. Opin. Struct. Biol., 8, 501, 10.1016/S0959-440X(98)80129-2
Berry, 2000, Structure and function of cytochrome bc complexes, Annu. Rev. Biochem., 69, 1007, 10.1146/annurev.biochem.69.1.1005
Bowyer, 1981, On the mechanism of photosynthetic electron transfer in Rps. capsulata and Rps. sphaeroides, Biochim. Biophys. Acta, 636, 218, 10.1016/0005-2728(81)90096-7
Meinhardt, 1982, Kinetic and thermodynamic resolution of cytochrome c1 and cytochrome c2 from Rps. sphaeroides, FEBS Lett., 149, 223, 10.1016/0014-5793(82)81105-8
Meinhardt, 1983, The role of cytochrome b566 in the electron transfer chain of Rps. sphaeroides, Biochim. Biophys. Acta, 723, 219, 10.1016/0005-2728(83)90121-4
Snozzi, 1984, Electron transport in chromatophores from Rhodopseudomonas sphaeroides GA fused with liposomes, Biochim. Biophys. Acta, Bioenerg., 766, 451, 10.1016/0005-2728(84)90261-5
Shinkarev, 2005, Spectral analysis of the bc1 complex components in Situ: beyond the traditional difference approach, Biochim. Biophys. Acta, 1757, 67, 10.1016/j.bbabio.2005.11.006
Shinkarev, 2006, In situ kinetics of cytochromes c1 and c2, Biochemistry, 45, 7897, 10.1021/bi060172u
Shinkarev, 2006, Spectral and kinetic resolution of the bc1 complex components in situ: a simple and robust alternative to the traditional difference wavelength approach, Biochim. Biophys. Acta, 1757, 273, 10.1016/j.bbabio.2006.04.003
Fato, 1986, Determination of partition and lateral diffusion coefficients of ubiquinones by fluorescence quenching of n-(9-anthroyloxy)stearic acids in phospholipid vesicles and mitochondrial membranes, Biochemistry, 25, 3378, 10.1021/bi00359a043
Cape, 2005, The respiratory substrate rhodoquinol induces Q-cycle bypass reactions in the yeast cytochrome bc1 complex — mechanistic and physiological implications, J. Biol. Chem., 280, 34654, 10.1074/jbc.M507616200
Rieske, 1967, On the antimycin-sensitive cleavage of complex III of the mitochondrial respiratory chain, J. Biol. Chem., 242, 4854, 10.1016/S0021-9258(18)99450-0
Crofts, 1998, Structure and function of the cytochrome bc1 complex of mitochondria and photosynthetic bacteria, Curr. Opin. Struct. Biol., 8, 501, 10.1016/S0959-440X(98)80129-2
Marcus, 1985, Electron transfers in chemistry and biology, Biochim. Biophys. Acta, 811, 265, 10.1016/0304-4173(85)90014-X
DeVault, 1980, Quantum mechanical tunnelling in biological systems, Q. Rev. Biophys., 13, 387, 10.1017/S003358350000175X
Moser, 1997, Biological electron tunnelling through protein media, J. Biol. Inorg. Chem., 2, 393, 10.1007/s007750050149
Moser, 2006, Electron tunnelling chains of mitochondria, Biochim. Biophys. Acta, 1757, 1096, 10.1016/j.bbabio.2006.04.015
Moser, 2006, Darwin at the molecular scale: selection and variance in electron tunnelling proteins including cytochrome c oxidase, Philos. Trans. R. Soc., 361, 1295, 10.1098/rstb.2006.1868
Shinkarev, 2007, Intermonomer electron transfer in the bc1 complex dimer is controlled by the energized state and by impaired electron transfer between low and high potential hemes, FEBS Lett., 581, 1535, 10.1016/j.febslet.2007.03.037
Covián, 2002, Tight binding of inhibitors to bovine bc1 complex is independent of the Rieske protein redox state — consequences for semiquinone stabilization in the quinol oxidation site, J. Biol. Chem., 277, 48449, 10.1074/jbc.M208060200
Crofts, 2003, The Q-cycle, — a personal perspective, Photosynth. Res., 80, 223, 10.1023/B:PRES.0000030444.52579.10
Kröger, 1973, The kinetics of the redox reactions of ubiquinone related to the electron-transport activity in the respiratory chain, Eur. J. Biochem., 34, 358, 10.1111/j.1432-1033.1973.tb02767.x
Kröger, 1973, Further evidence for the pool function of ubiquinone as derived from the inhibition of the electron transport by antimycin, Eur. J. Biochem., 39, 313, 10.1111/j.1432-1033.1973.tb03129.x
Fernandez-Velasco, 1991, Complexes or super complexes: inhibitor titrations show that electron transfer in chromatophores from Rb. sphaeroides involves a dimeric ubiquinol: cytochrome c2 oxidoreductase, and is delocalized, Biochem. Soc. Trans., 19, 588, 10.1042/bst0190588
Bechmann, 1992, Nonlinear inhibition curves for tight-binding inhibitors of dimeric ubiquinol-cytochrome c oxidoreductase — evidence for rapid inhibitor mobility, Eur. J. Biochem., 208, 315, 10.1111/j.1432-1033.1992.tb17189.x
Prince, 1977, Single and multiple turnover reactions in the ubiquinone-cytochrome b–c2 oxidoreductase of Rhodopseudomonas sphearoides: the physical chemistry of the major electron donor to cytochrome c2, and its coupled reactions, Biochim. Biophys. Acta, 462, 731, 10.1016/0005-2728(77)90114-1
Venturoli, 1987, Kinetic measurements of electron transfer in coupled chromatophores from photosynthetic bacteria: a method of correction for the electrochromic effects, FEBS Lett., 219, 477, 10.1016/0014-5793(87)80276-4
Venturoli, 1988, The effect of the size of the quinone pool on the electrogenic reactions in the UQH2:cyt c2 oxidoreductase of Rhodobacter capsulatus. Pool behavior at the quinone reductase site, Biochim. Biophys. Acta, 935, 258, 10.1016/0005-2728(88)90222-8
Venturoli, 1986, Demonstration of a collisional interaction of ubiquinol with the ubiquinol-cytochrome c2 oxidoreductase complex in chromatophores from Rhodobacter sphaeroides, Biochim. Biophys. Acta, Bioenerg., 851, 340, 10.1016/0005-2728(86)90070-8
Kuras, 1998, Steps toward constructing a cytochrome b6f complex in the purple bacteria Rhodobacter sphaeroides: an example of the structural plasticity of a membrane cytochrome, Biochemistry, 37, 16280, 10.1021/bi9813476
Crofts, 2007, Marcus treatment of endergonic reactions: a commentary, Biochim. Biophys. Acta, 1767, 1228, 10.1016/j.bbabio.2007.06.006
Balabin, 2000, Dynamically controlled protein tunneling paths in photosynthetic reaction centers, Science, 290, 114, 10.1126/science.290.5489.114
Kawatsu, 2006, Conformationally averaged score functions for electronic propagation in proteins, J. Phys. Chem. B, 110, 5747, 10.1021/jp052194g
Prytkova, 2007, Coupling coherence distinguishes structure sensitivity in protein electron transfer, Science, 315, 622, 10.1126/science.1134862
Hoffman, 2005, Differential influence of dynamic processes on forward and reverse electron transfer across a protein–protein interface, Proc. Natl. Acad. Sci. U. S. A., 102, 3564, 10.1073/pnas.0408767102
Nishioka, 2005, Interference, fluctuation, and alternation of electron tunneling in protein media. 1. two tunneling routes in photosynthetic reaction center alternate due to thermal fluctuation of protein conformation, J. Phys. Chem. B, 109, 1978, 10.1021/jp046282x
Walker, 1999, Magnetic spectroscopic (EPR, ESEEM, Mössbauer, MCD and NMR) studies of low-spin ferriheme centers and their corresponding heme proteins, Coord. Chem. Rev., 185–186, 471, 10.1016/S0010-8545(99)00029-6
Walker, 2004, Models of the bis-histidine-ligated electron-transferring cytochromes. Comparative geometric and electronic structure of low-spin ferro- and ferrihemes, Chem. Rev., 104, 589, 10.1021/cr020634j
Yun, 1991, Assignment of the histidine axial ligands to the cytochrome bH and cytochrome bL components of the bc1 complex from Rb. sphaeroides by site-directed mutagenesis, Biochemistry, 30, 6747, 10.1021/bi00241a017
Holland, 2007, Investigation of the interaction between cytochrome bH and the Qi-site in Rhodobacter sphaeroides, 163