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Sazanov 2015 Nat Rev Mol Cell Biol

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Sazanov LA (2015) A giant molecular proton pump: structure and mechanism of respiratory complex I. Nat Rev Mol Cell Biol 16:375-88.

Β» PMID: 25991374

Sazanov LA (2015) Nat Rev Mol Cell Biol

Abstract: The mitochondrial respiratory chain, also known as the electron transport chain (ETC), is crucial to life, and energy production in the form of ATP is the main mitochondrial function. Three proton-translocating enzymes of the ETC, namely complexes I, III and IV, generate proton motive force, which in turn drives ATP synthase (complex V). The atomic structures and basic mechanisms of most respiratory complexes have previously been established, with the exception of complex I, the largest complex in the ETC. Recently, the crystal structure of the entire complex I was solved using a bacterial enzyme. The structure provided novel insights into the core architecture of the complex, the electron transfer and proton translocation pathways, as well as the mechanism that couples these two processes.

β€’ Bioblast editor: Gnaiger E


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Enzyme: Complex I  Regulation: ATP production, Coupling efficiency;uncoupling