Oxidation of cytochrome c 2 by photosynthetic reaction centers of Rhodospirillum rubrum and Rhodopseudomonas sphaeroides in vivo. Effect of viscosity on the rate of reaction.
In Rhodospirillum rubrum and Rhodopseudomonas sphaeroides it is shown that the oxidation of cytochrome c 2 involves a diffusion limited process. From analysis of the results it follows that the electron transfer probability must be very low. This is corroborated by in vitro studies using the isolated components.
Department of Biophysics, Huygens Laboratory of the State University, P.O. Box 9504, 2300 RA, Leiden, The Netherlands.
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Van Der Wal
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Gorter
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Van Grondelle