STRUCTURE OF PHOTOSYSTEM-I - SUGGESTIONS ON THE DOCKING SITES FOR PLASTOCYANIN, FERREDOXIN AND THE COORDINATION OF P700

被引：76

作者：

FROMME, P ^{[1
]}

SCHUBERT, WD ^{[1
]}

KRAUSS, N ^{[1
]}

机构：

[1] FREE UNIV BERLIN,INST KRISTALLOG,D-14195 BERLIN,GERMANY

来源：

BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS | 1994年 / 1187卷 / 02期

关键词：

PHOTOSYSTEM I; CRYSTAL; X-RAY STRUCTURE; PHOTOSYNTHESIS; PLASTOCYANIN; FERREDOXIN;

D O I：

10.1016/0005-2728(94)90092-2

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Photosystem I of Synechococcus elongatus was crystallized showing maximal diffraction to 4 Angstrom resolution (Witt et al. (1988) Ber. Bunsenges. Phys. Chem. 92, 1503-1506). The crystal structure has been determined at a resolution of 6 Angstrom (Krauss et al. (1993) Nature 361, 326-331). Based on this structure, docking sites for plastocyanin and ferredoxin are proposed. The arrangement of helices is analysed in terms of hydrophobicity plots and homology to the reaction center of purple bacteria. A possible coordination of the primary donor P700 by the helices in subunits A and B is suggested based on the relative three-dimensional arrangement of the helices.

引用

页码：99 / 105

页数：7

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