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Orientation-dependent kinetics of heterogeneous electron transfer for cytochrome c immobilized on gold: Electrochemical determination and theoretical prediction (Articolo in rivista)
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- Orientation-dependent kinetics of heterogeneous electron transfer for cytochrome c immobilized on gold: Electrochemical determination and theoretical prediction (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
Bortolotti, C; Borsari, M; Sola, M; Chertkova, R; Dolgikh, D; Kotlyar, A; Facci, P (2007)
Orientation-dependent kinetics of heterogeneous electron transfer for cytochrome c immobilized on gold: Electrochemical determination and theoretical prediction
in Journal of physical chemistry. C
(literal)
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- Bortolotti, C; Borsari, M; Sola, M; Chertkova, R; Dolgikh, D; Kotlyar, A; Facci, P (literal)
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- INFM, CNR, Natl Ctr Nanostruct & Biosyst Surfaces S3, I-41100 Modena, Italy; Tel Aviv Univ, George S Wise Fac Life Sci, Dept Biochem, Ramat Aviv, Israel; Univ Modena & Reggio Emilia, Dept Chem, Modena, Italy; Russian Acad Sci, Shemyakin Ovchinnikov Inst Bioorgan Chem, Moscow, Russia (literal)
- Titolo
- Orientation-dependent kinetics of heterogeneous electron transfer for cytochrome c immobilized on gold: Electrochemical determination and theoretical prediction (literal)
- Abstract
- A systematic comparison between electron-transfer rate constants measured electrochemically for different cysteine-bearing mutants of cytochrome c chemisorbed on gold surfaces in different orientations has been performed. Experimental data have been correlated with electronic coupling theoretical estimates obtained from two different empirical models for the kinetics of protein electron transfer, the tunneling pathway model and the average packing density model. The results indicate that both models also hold in the case of immobilized redox proteins, outlining their role in the rational design of optimized electron-transfer-based bioinorganic interfaces. (literal)
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