18O-Water exchange in photosystem II:: Substrate binding and intermediates of the water splitting cycle

被引：114

作者：

Hillier, Warwick ^{[1
]}

Wydrzynski, Tom ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Biol Sci, Canberra, ACT 0200, Australia

来源：

COORDINATION CHEMISTRY REVIEWS | 2008年 / 252卷 / 3-4期

基金：

澳大利亚研究理事会;

关键词：

oxygen evolving complex; photosystem II; substrate water; ligand exchange;

D O I：

10.1016/j.ccr.2007.09.004

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Photosynthetic water oxidation proceeds via four I light- activated intermediate states. The nature of the substrate water in each of these intermediate states is important for understanding the mechanism of the photosynthetic O-O bond formation. Oxygen-18 water exchange measurements have been used to probe the binding of the substrate water at the water oxidation site in photosystem II. In this review we summarize the water exchange behaviour for a range of aqua-metal complexes for comparison with the Photosystem II exchange measurements. The analysis provides a basis for determining the nature of the substrate water in each of the intermediate states in the photosynthetic reaction cycle. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：306 / 317

页数：12

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