Effect of hydrogen bonds on the energetics of electron transfer

被引：0

作者：

Krasilnikov, PM ^{[1
]}

Mamonov, PA ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Biol, Moscow 119899, Russia

来源：

BIOFIZIKA | 2006年 / 51卷 / 02期

关键词：

recombination reaction; electron transfer; hydrogen bond;

D O I：

暂无

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

For a model system consisting of a special pair of bacteriochlorophyll molecules (P) and a primary quinone with the nearest environment (QA) (which are acceptor and donor in the recombination reaction in Rhodobacter sphaeroides reaction center, respectively), energies of P(+)Q(A)(-) and PQ(A) states were calculated. Calculations were performed using several stable QA conformations differing by the positions of hydrogen bond protons. Essential influence of proton positions on the energy of vertical transition P(+)Q(A)(-) -> PQ(A) was shown.

引用

页码：267 / 273

页数：7

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