首页> 外文期刊>Journal of the American Chemical Society >ANALYZING THE ROLE OF PRESSURE AND TEMPERATURE ON BIOLOGICAL ELECTRON TRANSFER REACTIONS - CYTOCHROME C AS A MODEL SYSTEM
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ANALYZING THE ROLE OF PRESSURE AND TEMPERATURE ON BIOLOGICAL ELECTRON TRANSFER REACTIONS - CYTOCHROME C AS A MODEL SYSTEM

机译:压力和温度在生物电子转移反应中的作用分析-细胞色素C模型系统

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Horse heart cytochrome c serves as a test case for analyzing the role of temperature and pressure on electron transfer since its temperature- and pressure-dependent reduction potentials are known. Both the magnitude and direction of experimental reduction potential changes observed in cytochrome c as a function of temperature and pressure were reproduced empirically using a numerical solution to the Poisson-Boltzman equation. It is proposed based on these calculations and analysis of the X-ray crystal structures in both oxidation states that the heme iron is screened more efficiently from surface charges in the oxidized state. [References: 24]
机译:由于已知其依赖于温度和压力的还原电位,因此马心脏细胞色素c可以用作分析温度和压力对电子转移的作用的测试案例。使用泊松-玻尔兹曼方程的数值解经验性地再现了在细胞色素c中观察到的实验还原电位变化的大小和方向随温度和压力的变化。基于这些计算和对两种氧化态下的X射线晶体结构的分析,提出了从氧化态下的表面电荷更有效地筛选血红素铁。 [参考:24]

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