Equilibrium/Nonequilibrium Initial Configurations in Forward/Reverse Electron Transfer within Mixed-Metal Hemoglobin Hybrids

Ami D.Patel; Judith M.Nocek; Brian M.Hoffman

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Equilibrium/Nonequilibrium Initial Configurations in Forward/Reverse Electron Transfer within Mixed-Metal Hemoglobin Hybrids

机译：混合金属血红蛋白混合体中正向/反向电子转移的平衡/非平衡初始构型

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Studies of long-range electron transfer (ET) within covalently linked systems typically seek an understanding of the ET process itself However,when the electron is transferred across a dynamic protein-protein interface,the observed kinetics frequently are controlled not by the ET process,but by the dynamics of protein recognition,binding,and conversion among an ensemble of bound configurations.In general,such an interface will be characterized by a complicated energy landscape with multiple binding minima,with ET dominated by a subset of conformations in which the ET matrix element is largest;this is illustrated in the two-tier landscape of Figure 1.This idea recently led us to recognize that the "forward" and "back" halves of a flash-induced protein-protein ET photocycle involve different initial configurational ensembles and,hence,should respond differently to the modulation of configuration interconversion dynamics.

机译：对共价连接系统内的远程电子转移（ET）的研究通常寻求对ET过程本身的理解。但是，当电子通过动态蛋白质-蛋白质界面转移时，观察到的动力学通常不受ET过程控制，通常，这种界面的特征是复杂的能量格局，具有多个最小结合，其中ET由构象的一个子集主导，其中ET基质元素是最大的；在图1的两层视图中对此进行了说明。这个想法最近使我们认识到，闪光诱导的蛋白质-蛋白质ET光循环的“正向”和“反向”部分涉及不同的初始构象集合因此，对配置互转换动力学的调制应有不同的响应。

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《Journal of the American Chemical Society》 |2005年第48期|p.16766-16767|共2页
作者
Ami D.Patel; Judith M.Nocek; Brian M.Hoffman;
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作者单位

Department of Chemistry,Northwestern University,2145 North Sheridan Road,Evanston,Illinois 60208-3113;

Department of Chemistry,Northwestern University,2145 North Sheridan Road,Evanston,Illinois 60208-3113;

Department of Chemistry,Northwestern University,2145 North Sheridan Road,Evanston,Illinois 60208-3113;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
中图分类化学;
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1. Kinetic-dynamic model for conformational control of an electron transfer photocycle: Mixed-metal hemoglobin hybrids [J] . Patel AD, Nocek JM, Hoffman BM The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 2008,第37期

机译：电子转移光循环构象控制的动力学模型：混合金属血红蛋白杂化体
2. SIMULATION OF ELECTRON TRANSFER IN POLAR SOLVENTS - EFFECTS OF NONEQUILIBRIUM INITIAL STATE PREPARATION [J] . Evans DG., Coalson RD. The Journal of Chemical Physics . 1996,第10期

机译：极性溶剂中电子传递的模拟-非平衡初始态制备的影响。
3. Forward osmosis membrane modular configurations for osmotic dilution of seawater by forward osmosis and reverse osmosis hybrid system [J] . Kim Jung Eun, Phuntsho Sherub, Ali Syed Murtuza, Water Research . 2018,第jana1期

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4. Forward transit delay in In/sub 0.53/Ga/sub 0.47/As heterojunction bipolar transistors with nonequilibrium electron transpor [C] . Laskar, J., Noltenburg, . 1993

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5. Conformational dynamics in the electron transfer photocycle of mixed-metal hemoglobin hybrids. [D] . Patel, Ami Dasharath. 2009

机译：混合金属血红蛋白杂化体电子转移光循环的构象动力学。
6. Kinetic-Dynamic Model for Conformational Control of an Electron Transfer Photocycle: Mixed-Metal Hemoglobin Hybrids [O] . Ami D. Patel, Judith M. Nocek, Brian M. Hoffman -1

机译：电子转移光周期的构象控制的动力学动力学模型：混合金属血红蛋白混合体。
7. Oxygen equilibrium and electron paramagnetic resonance studies on copper(II)-iron(II) hybrid hemoglobins at room temperature [O] . Shibayama Naoya, Ikeda-Saito Masao, Hori Hiroshi, 1995

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8. Effect of Orbital Alignment on the Forward and Reverse Electronic Energy Transfer Ca(4s5p 1P1) + M Yields Ca(4s5p 3P sub j) + M with Rare Gases [R] . Bussert, W., Neuschaefer, D., Leone, S. R. 1987

机译：轨道对准对正向和反向电子能量转移Ca（4s5p 1p1）+ m产量Ca（4s5p 3p sub j）+ m与稀有气体的影响

Equilibrium/Nonequilibrium Initial Configurations in Forward/Reverse Electron Transfer within Mixed-Metal Hemoglobin Hybrids

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