Proton-Assisted Electron Transfer

Andrea Peluso; Meziane Brahimi; Maurizio Carotenuto; Giuseppe Del Re

首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Proton-Assisted Electron Transfer

【24h】

Proton-Assisted Electron Transfer

机译：质子辅助电子转移

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相似文献
相关主题

摘要

The case for highly selective long range "proton assisted" electron transfer in biomolecules (PA-ET), involving the hopping of protons and hydrogen atoms along H-bond chains connecting two redox sites, is discussed and analyzed on systems closely resembling typical biochemical sequences. These systems consist of an electron acceptor, an H-bond/covalent-bridge chain and an electron donor, and monohydroparabenzoquinone as the electron acceptor and a xanthine-like molecule as the electron donor and acceptor species held together by one or more peptide bridges. It is shown that, in biochemical structures, despite the involvement of the imidol (oximine) form of the peptide link, (a) PA-ET is energetically efficient and (b) the rate constants for proton-transfer, which is arguably the rate-controlling step, are reasonably high, the transfer times being on the order of hundreds of picoseconds.

机译：在非常类似于典型生化序列的系统上讨论和分析了生物分子中高选择性远程“质子辅助”电子转移的情况（PA-ET），质子和氢原子沿连接两个氧化还原位点的H键链跳跃。。这些系统由一个电子受体，一个H键/共价桥链和一个电子供体组成，单氢对苯并醌作为电子受体，黄嘌呤样分子作为一个或多个肽桥结合在一起的电子供体和受体。结果表明，在生化结构中，尽管参与了肽链的亚美多（oximine）形式，（a）PA-ET在能量上有效，并且（b）质子转移的速率常数，可以说是速率控制步骤相当高，传输时间约为数百皮秒。

著录项

来源
《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |1998年第50期|共7页
作者
Andrea Peluso; Meziane Brahimi; Maurizio Carotenuto; Giuseppe Del Re;
展开▼
作者单位

展开▼
收录信息
原文格式 PDF
正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词

相似文献

外文文献
中文文献
专利

1. Concerted heavy-atom bond cleavage and proton and electron transfers illustrated by proton-assisted reductive cleavage of an 0-0 bond [J] . Cyrille Costentin, Viviane Hajj, Marc Robert, Proceedings of the National Academy of Sciences of the United States of America . 2011,第21期

机译：一致的重原子键裂解以及质子和电子转移，质子辅助的0-0键还原裂解
2. Cross-Dehydrogenative Couplings between Indoles and β-Keto Esters: Ligand-Assisted Ligand Tautomerization and Dehydrogenation via a Proton-Assisted Electron Transfer to Pd(Ⅱ) [J] . Mikko V. Leskinen, Adam Madarasz, Kai-Tai Yip, Journal of the American Chemical Society . 2014,第17期

机译：吲哚和β-酮酯的跨脱氢偶联：配体辅助的配体互变异构和质子辅助电子转移到Pd（Ⅱ）上的脱氢
3. Two-electron transfer reactions in proteins: Bridge-mediated and proton-assisted processes - art. no. 061916 [J] . Petrov EG., Teslenko VI., May V. Physical review, E. Statistical physics, plasmas, fluids, and related interdisciplinary topics . 2003,第6aPta1期

机译：蛋白质中的两电子转移反应：桥介导和质子辅助过程-艺术。没有。 061916
4. Flavin radicals,conformational sampling and robust design principles in interprotein electron transfer:the trimethylamine dehydrogenase-electron-transferring flavoprotein complex [C] . David Leys, Jaswir Basran, FrancoisTalfournier, Biochemical Society Symposium . 2004

机译：译文电子转移中的黄素自由基，构象取样和鲁棒设计原理：三甲胺脱氢酶 - 电子转移黄霉素复合物
5. Catalysis of interfacial transfer of photo-generated electrons: A study of four molybdenum -sulfur complex ions mediating electron transfer across a colloidal semiconductor -liquid interface [D] . Wycoff, Donald E. 2004

机译：光生电子的界面转移催化：四个钼-硫复合离子介导电子通过胶体半导体-液体界面转移的研究
6. Concerted heavy-atom bond cleavage and proton and electron transfers illustrated by proton-assisted reductive cleavage of an O–O bond [O] . Cyrille Costentin, Viviane Hajj, Marc Robert, 2011

机译：协调一致的重原子键裂解以及质子和电子转移质子辅助的O–O键还原裂解
7. Concerted heavy-atom bond cleavage and proton and electron transfers illustrated by proton-assisted reductive cleavage of an O–O bond [O] . Costentin, Cyrille, Hajj, Viviane, Robert, Marc, 2011

机译：协调一致的重原子键裂解以及质子和电子转移，质子辅助的O–O键还原裂解
8. Radiation Forces to Electrons in Laser Fields Explained as Scattering forPonderomotive Momentum Transfers [R] . Petrzilka, V., Hora, H. 1991

机译：激光场中电子的辐射力解释为机动动量传递的散射

Proton-Assisted Electron Transfer

摘要

著录项

相似文献

相关主题

期刊订阅