The medium in electron transfer proteins

被引:39
作者
Williams, RJP
机构
[1] Inorganic Chemistry Laboratory, University of Oxford, Oxford OX1 3QR, South Parks Road
来源
JOURNAL OF BIOLOGICAL INORGANIC CHEMISTRY | 1997年 / 2卷 / 03期
关键词
electron transfer; coupling factors; transfer distances; transfer pathways;
D O I
10.1007/s007750050146
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
The problems of the description of a protein matrix as a medium for electron transfer in biological systems are described. It is not the uncertainty in rate constants but that of measuring donor-acceptor distances or of pathway lengths which makes it impossible to decide between the merits of these two approximations to a full quantum-mechanical treatment of the matrix. However, proteins do not seem to have designed pathways to fulfil their functions but just separations of donors and accepters in space which then allows gated flow in mobile structures.
引用
收藏
页码:373 / 377
页数:5
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