Structure of cyanobacterial Photosystem I

被引：137

作者：

Grotjohann, I ^{[1
]}

Fromme, P ^{[1
]}

机构：

[1] Arizona State Univ, Tempe, AZ 85287 USA

来源：

PHOTOSYNTHESIS RESEARCH | 2005年 / 85卷 / 01期

基金：

美国国家科学基金会;

关键词：

antenna; crystal structure; electron transfer; membrane protein; photosynthesis; Photosystem I;

D O I：

10.1007/s11120-005-1440-4

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Photosystem I is one of the most fascinating membrane protein complexes for which a structure has been determined. It functions as a bio-solar energy converter, catalyzing one of the first steps of oxygenic photosynthesis. It captures the light of the sun by means of a large antenna system, consisting of chlorophylls and carotenoids, and transfers the energy to the center of the complex, driving the transmembrane electron transfer from plastoquinone to ferredoxin. Cyanobacterial Photosystem I is a trimer consisting of 36 proteins to which 381 cofactors are non-covalently attached. This review discusses the complex function of Photosystem I based on the structure of the complex at 2.5 angstrom resolution as well as spectroscopic and biochemical data.

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页码：51 / 72

页数：22

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