Article
Protein dynamics control the kinetics of initial electron transfer in photosynthesis.
Science (New York, N.Y.) - 4 May 2007
Wang Haiyu, Lin Su, Allen James P, Williams Joann C, Blankert Sean, Laser Christa, Woodbury Neal W
Abstract excerpt
The initial electron transfer dynamics during photosynthesis have been studied in Rhodobacter sphaeroides reaction centers from wild type and 14 mutants in which the driving force and the kinetics of charge separation vary over a broad range. Surprisingly, the protein relaxation kinetics, as measured by tryptophan absorbance changes, are invariant in these mutants. By applying a reaction-diffusion model, we can...
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