Multiparticle computer simulation of plastocyanin diffusion and interaction with cytochrome f in the electrostatic field of the thylakoid membrane

被引：6
|
作者：
Knyazeva O.S. [1 ]
Kovalenko I.B. [2 ]
Abaturova A.M. [2 ]
Riznichenko G.Y. [2 ]
Grachev E.A. [1 ]
Rubin A.B. [2 ]
机构：
[1] Physical Faculty, Moscow State University, Vorob'evy Gory
[2] Biological Faculty, Moscow State University, Vorob'evy Gory
来源：
Biophysics | 2010年 / 55卷 / 2期
基金：
俄罗斯基础研究基金会;
关键词：
cytochrome f; electron transport; electrostatic interactions; electrostatic potential; lipids; multiparticle computer model; photosynthetic membrane; plastocyanin;
D O I：
10.1134/S0006350910020090
中图分类号：
学科分类号：
摘要：
A multiparticle computer model of plastocyanin-cytochrome f complex formation in the thylakoid lumen has been designed, which takes into account the electrostatic interactions of proteins and membrane. The Poisson-Boltzmann formalism was used to determine the electrostatic potentials of the electron carrier proteins and the thylakoid membrane at different ionic strengths. The membrane electrostatic field was shown to influence plastocyanin diffusion and interaction with cytochrome f. The rate constants for plastocyanin-cytochrome f complex formation were calculated as a function of ionic strength and membrane surface charge. © 2010 Pleiades Publishing, Ltd.
引用
收藏
页码：221 / 227
页数：6
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