期刊
FEBS LETTERS
卷 555, 期 1, 页码 40-44出版社
WILEY
DOI: 10.1016/S0014-5793(03)01124-4
关键词
photosynthesis; photosystem I; ferredoxin; plastocyanin; antenna
Photosystem 1 (PS 1) is a large membrane protein complex that catalyzes the first step of solar conversion, the light-induced transmembrane electron transfer, and generates reductants for CO2 assimilation. It consists of 12 different proteins and 127 cofactors that perform light capturing and electron transfer. The function of PS I includes inter-protein electron transfer between PS I and smaller soluble electron transfer proteins. The structure of PS I is discussed with respect to the potential docking sites for the soluble electron acceptors, ferredoxin/flavodoxin, at the stromal side and the soluble electron donors, cytochrome c(6)/plastocyanin, at the luminal side of the PS I complex. Furthermore, the potential interaction sites with the peripheral antenna proteins are discussed. (C) 2003 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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