Calculating standard reduction potentials of [4Fe-4S] proteins

Copyright © 2012 Wiley Periodicals, Inc.

Bibliographische Detailangaben
Veröffentlicht in:Journal of computational chemistry. - 1984. - 34(2013), 7 vom: 15. März, Seite 576-82
1. Verfasser: Perrin, Bradley Scott Jr (VerfasserIn)
Weitere Verfasser: Niu, Shuqiang, Ichiye, Toshiko
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Journal of computational chemistry
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, N.I.H., Intramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Iron-Sulfur Proteins
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520 |a The oxidation-reduction potentials of electron transfer proteins determine the driving forces for their electron transfer reactions. Although the type of redox site determines the intrinsic energy required to add or remove an electron, the electrostatic interaction energy between the redox site and its surrounding environment can greatly shift the redox potentials. Here, a method for calculating the reduction potential versus the standard hydrogen electrode, E°, of a metalloprotein using a combination of density functional theory and continuum electrostatics is presented. This work focuses on the methodology for the continuum electrostatics calculations, including various factors that may affect the accuracy. The calculations are demonstrated using crystal structures of six homologous HiPIPs, which give E° that are in excellent agreement with experimental results 
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650 4 |a Research Support, N.I.H., Extramural 
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650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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700 1 |a Ichiye, Toshiko  |e verfasserin  |4 aut 
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