Electron tunneling through proteins

HB Gray, JR Winkler - Quarterly reviews of biophysics, 2003 - cambridge.org
1. History 3422. Activation barriers 3432.1 Redox potentials 3442.2 Reorganization energy
3443. Electronic coupling 3454. Ru-modified proteins 3484.1 Reorganization energy …

[HTML][HTML] Electron flow through metalloproteins

HB Gray, JR Winkler - Biochimica et Biophysica Acta (BBA)-Bioenergetics, 2010 - Elsevier
Electron transfers in photosynthesis and respiration commonly occur between metal-
containing cofactors that are separated by large molecular distances. Understanding the …

Long-range electron transfer

HB Gray, JR Winkler - … of the National Academy of Sciences, 2005 - National Acad Sciences
Recent investigations have shed much light on the nuclear and electronic factors that control
the rates of long-range electron tunneling through molecules in aqueous and organic …

Free energies for biological electron transfer from QM/MM calculation: method, application and critical assessment

J Blumberger - Physical Chemistry Chemical Physics, 2008 - pubs.rsc.org
Computer simulations of biological electron transfer reactions are reviewed with a focus on
the calculation of reaction free energy (driving force) and reorganization free energy. Then a …

Inelastic tunneling in long-distance biological electron transfer reactions

ES Medvedev, AA Stuchebrukhov - The Journal of chemical physics, 1997 - pubs.aip.org
Long-range electron transfer reactions have been actively discussed in the past decade in
the context of electron transport in biological membranes. 1, 2 Recent experimental work …

Prediction of reorganization free energies for biological electron transfer: a comparative study of Ru-modified cytochromes and a 4-helix bundle protein

V Tipmanee, H Oberhofer, M Park, KS Kim… - Journal of the …, 2010 - ACS Publications
The acceleration of electron transfer (ET) rates in redox proteins relative to aqueous solutes
can be attributed to the protein's ability to reduce the nuclear response or reorganization …

Reorganization energy for internal electron transfer in multicopper oxidases

LH Hu, M Farrokhnia, J Heimdal, S Shleev… - The Journal of …, 2011 - ACS Publications
We have calculated the reorganization energy for the intramolecular electron transfer
between the reduced type 1 copper site and the peroxy intermediate of the trinuclear cluster …

Reorganization free energies for long-range electron transfer in a porphyrin-binding four-helix bundle protein

J Blumberger, ML Klein - Journal of the American Chemical …, 2006 - ACS Publications
To explore the possibility of electron transport in a recently designed four-helix bundle
protein (Cochran, FV; et al. J. Am. Chem. Soc. 2005, 127, 1346), we have computed the …

Electron tunneling in proteins: role of the intervening medium

R Langen, JL Colón, DR Casimiro, TB Karpishin… - JBIC Journal of …, 1996 - Springer
Abstract Analysis of electron-transfer (ET) kinetics data obtained from experiments on Ru-
modified proteins (azurin, cytochrome c, myoglobin) and the bacterial photosynthetic …

Temperature dependence of the electric field modulation of electron-transfer rates: charge recombination in photosynthetic reaction centers

S Franzen, SG Boxer - The Journal of Physical Chemistry, 1993 - ACS Publications
The rates of electron-transfer reactions can be systematically varied by application of
external electric fields. The electric field effect on the charge recombination rate constant of …