Article
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 - 20 Feb 2007
Rajagukguk Sany, Yang Shaoqing, Yu Chang-An, Yu Linda, Durham Bill, Millett Francis
Abstract excerpt
Long-range movement of the Rieske iron-sulfur protein (ISP) between the cytochrome (cyt) b and cyt c1 redox centers plays a key role in electron transfer within the cyt bc1 complex. A series of 21 mutants in the cyt b ef loop of Rhodobacter sphaeroides cyt bc1 were prepared to examine the role of this loop in controlling the capture and release of the ISP from cyt b. Electron transfer in the cyt bc1 complex was...
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