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  Home > JCE Print > Journal of Chemical Education > Issues > 1997  > June  >
Symposium: Applications of Inorganic Photochemistry
Ruthenium(II) Polypyridine Complexes and the Electron-Transfer Reactions of Metalloproteins
Bill Durham and Frank Millett
Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR 72701
Cover
June 1997
Vol. 74 No. 6
p. 636
Abstract
Over the past decade, a variety of ruthenium complexes have been used to study electron-transfer reactions in metalloproteins. In the majority of these studies, the ruthenium complexes provide a means of photochemically initiating a rapid electron-transfer reaction. These reactions can be used in several different schemes to: 1) probe structural features which determine the magnitude of the electronic coupling between redox centers in metalloproteins, 2) measure the rate constants for electron transfer between two metalloproteins, 3) investigate the binding interactions between two proteins and 4) measure the rate constants for formation and dissociation of protein-protein complexes. The basic reactions involved in the photochemical schemes and the covalent binding of ruthenium complexes to metalloproteins are described. Several examples involving cytochrome c and cytochrome b5 are used to illustrate the methodology.
More Information
*  Citation
 Durham, Bill; Millett, Frank. J. Chem. Educ. 1997 74 636.
*  Keywords
 Redox Reactions, Kinetics, Electron Transport, Photochemistry , Bioorganic/Bioinorganic, Biochemistry
*  History
 Created:
Last Updated:		 July 28, 1999
June 23, 2005
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