Photoelectric studies of the transmembrane charge transfer reactions in photosystem I pigment-protein complexes

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Abstract

The results of studies of charge transfer in cyanobacterial photosystem I (PS I) using the photoelectric method are reviewed. The electrogenicity in the PS I complex and its interaction with natural donors (plastocyanin, cytochrome c6), natural acceptors (ferredoxin, flavodoxin), or artificial acceptors and donors (methyl viologen and other redox dyes) were studied. The operating dielectric constant values in the vicinity of the charge transfer carriers in situ were calculated. The profile of distribution of the dielectric constant along the PS I pigment-protein complex (from plastocyanin or cytochrome c6 through the chlorophyll dimer P700 to the acceptor complex) was estimated, and possible mechanisms of correlation between the local dielectric constant and electron transfer rate constant were discussed. © 2003 Published by Elsevier B.V. on behalf of the Federation of European Biochemical Societies.

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Semenov, A. Y., Mamedov, M. D., & Chamorovsky, S. K. (2003, October 23). Photoelectric studies of the transmembrane charge transfer reactions in photosystem I pigment-protein complexes. FEBS Letters. Elsevier. https://doi.org/10.1016/S0014-5793(03)01032-9

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