Theoretical studies of proton-coupled electron transfer reactions

被引:64
作者
Hammes-Schiffer, S [1 ]
Iordanova, N [1 ]
机构
[1] Penn State Univ, Dept Chem, Davey Lab 152, University Pk, PA 16802 USA
来源
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS | 2004年 / 1655卷 / 1-3期
关键词
proton-coupled electron transfer; hydrogen; kinetic isotope effect;
D O I
10.1016/j.bbabio.2003.07.009
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
A theoretical formulation for proton-coupled electron transfer (PCET) is described. This theory allows the calculation of rates and kinetic isotope effects and provides insight into the Underlying fundamental principles of PCET reactions. Applications of this theory to PCET reactions in iron bi-imidazoline complexes, oxoruthenium polypyridyl complexes, osmium-benzoquinone systems, amidinium-carboxylate salt bridges, DNA-acrylamide complexes, and rutheium polypyridyl-tyrosine systems are summarized. The mechanistic insight gained front theoretical calculations on these model systems is relevant to PCET in more complex biological processes such as photosynthesis and respiration. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:29 / 36
页数:8
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