The nitrogenase catalyzed N2 dependent HD formation:: a model reaction and its significance for the FeMoco function

被引:53
作者
Sellmann, D [1 ]
Fürsattel, A [1 ]
Sutter, J [1 ]
机构
[1] Univ Erlangen Nurnberg, Inst Anorgan Chem, D-91058 Erlangen, Germany
关键词
nitrogen fixation; hydrogen; iron sulfur complexes; structure-function;
D O I
10.1016/S0010-8545(99)00240-4
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The first completely characterized model for the nitrogenase catalyzed 'N-2 dependent HD formation' from D-2 and protons is described. This key reaction of nitrogenases is most plausibly rationalized by the 'open-side' FeMoco model, which enables us to explain the severe constraints imposed on the N-2 dependent HD formation as well as the noncompetitive inhibition of N-2 fixation by CO. (C) 2000 Elsevier Science S.A. All rights reserved.
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页码:545 / 561
页数:17
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