Theoretical Studies of the Grotthuss Mechanism in Biological Proton Wires

Theoretical Studies of the Grotthuss Mechanism in Biological Proton Wires
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生物质子线中格罗萨斯机制的理论研究

DOI:
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发表时间:
1999
期刊:
影响因子:
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通讯作者:
R. Pomès
R. Pomès
中科院分区:
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作者:
R. Pomès

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研究了质子线的结构、动力学和热力学性质。综述了模型非极性孔道和葛兰素A通道中水分子单分子链上质子传导的Grotthuss机制的HOP步骤和TURN步骤的详细分子方面,并给出了新的模拟结果。从氢键网络结构和连接性两个方面对格洛特斯机理进行了讨论和分析,并将质子线的性质与体水的性质进行了对比。提出了关于这类研究的生物学相关性的一般考虑。
The structural, dynamic, and thermodynamic properties of proton wires are examined. Detailed molecular aspects of both hop and turn steps of the Grotthuss mechanism for proton conduction along single-file chains of water molecules in model nonpolar pores and in the gramicidin A channel are reviewed, and new simulation results are presented. The Grotthuss mechanism is discussed and analyzed in terms of hydrogen-bonded network structure and connectivity, and the properties of proton wires are contrasted to those of bulk water. General considerations regarding the biological relevance of such studies are proposed.
含氧光合作用细胞色素 f 内部水链的扰动:细胞色素 f 和 b6 协同还原的丧失。
DOI: 10.1021/bi981814j
发表时间: 1998
期刊: Biochemistry.
影响因子: --
作者:
Ponamarev,MV;Cramer,WA
通讯作者: Cramer,WA