Flash-induced membrane potential generation by cytochrome c oxidase.

  title={Flash-induced membrane potential generation by cytochrome c oxidase.},
  author={Dmitry Zaslavsky and Andrey D. Kaulen and Irina A Smirnova and Tatiana V Vygodina and Alexander A. Konstantinov},
  journal={FEBS letters},
  volume={336 3},
Flash-induced single-electron reduction of cytochrome c oxidase. Compound F (oxoferryl state) by RuII(2,2'-bipyridyl)3(2+) [Nilsson (1992) Proc. Natl. Acad. Sci. USA 89, 6497-6501] gives rise to three phases of membrane potential generation in proteoliposomes with tau values and contributions of ca. 45 microsecond (20%), 1 ms (20%) and 5 ms (60%). The rapid phase is not sensitive to the binuclear centre ligands, such as cyanide or peroxide, and is assigned to vectorial electron transfer from… CONTINUE READING
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