ATOMIC MODEL OF PLANT LIGHT-HARVESTING COMPLEX BY ELECTRON CRYSTALLOGRAPHY

被引：1510

作者：

KUHLBRANDT, W ^{[1
]}

WANG, DN ^{[1
]}

FUJIYOSHI, Y ^{[1
]}

机构：

[1] PROT ENGN RES INST,SUITA,OSAKA 565,JAPAN

来源：

NATURE | 1994年 / 367卷 / 6464期

关键词：

D O I：

10.1038/367614a0

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The structure of the light-harvesting chlorophyll a/b-protein complex, an integral membrane protein, has been determined at 3.4 Angstrom resolution by electron crystallography of two-dimensional crystals. Two of the three membrane-spanning alpha-helices are held together by ion pairs formed by charged residues that also serve as chlorophyll ligands. In the centre of the complex, chlorophyll a is in close contact with chlorophyll b for rapid energy transfer, and with two carotenoids that prevent the formation of toxic singlet oxygen.

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页码：614 / 621

页数：8

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