Difference between revisions of "Hunte 2003 FEBS Letters"
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|title=Hunte C, Palsdottir H, Trumpower BL (2003) Protonmotive pathways and mechanisms in the cytochrome | |title=Hunte C, Palsdottir H, Trumpower BL (2003) Protonmotive pathways and mechanisms in the cytochrome ''bc''<sub>1</sub> complex. FEBS Letters 545:39-46. | ||
|info=[https://pubmed.ncbi.nlm.nih.gov/12788490/ PMID:12788490] | |info=[https://pubmed.ncbi.nlm.nih.gov/12788490/ PMID:12788490] | ||
|authors=Hunte C, Palsdottir H, Trumpower BL | |authors=Hunte C, Palsdottir H, Trumpower BL | ||
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Latest revision as of 22:25, 16 February 2021
| Hunte C, Palsdottir H, Trumpower BL (2003) Protonmotive pathways and mechanisms in the cytochrome bc1 complex. FEBS Letters 545:39-46. |
Hunte C, Palsdottir H, Trumpower BL (2003) FEBS Letters
Abstract: The cytochrome bc(1) complex catalyzes electron transfer from ubiquinol to cytochrome c by a protonmotive Q cycle mechanism in which electron transfer is linked to proton translocation across the inner mitochondrial membrane. In the Q cycle mechanism proton translocation is the net result of topographically segregated reduction of quinone and reoxidation of quinol on opposite sides of the membrane, with protons being carried across the membrane as hydrogens on the quinol. The linkage of proton chemistry to electron transfer during quinol oxidation and quinone reduction requires pathways for moving protons to and from the aqueous phase and the hydrophobic environment in which the quinol and quinone redox reactions occur. Crystal structures of the mitochondrial cytochrome bc(1) complexes in various conformations allow insight into possible proton conduction pathways. In this review we discuss pathways for proton conduction linked to ubiquinone redox reactions with particular reference to recently determined structures of the yeast bc(1) complex.
• Bioblast editor: Komlodi T
Cited by
- Komlódi T, Cardoso LHD, Doerrier C, Moore AL, Rich PR, Gnaiger E (2021) Coupling and pathway control of coenzyme Q redox state and respiration in isolated mitochondria. Bioenerg Commun 2021.3. https://doi.org/10.26124/bec:2021-0003
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