Electron tunneling in biological molecules
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چکیده
منابع مشابه
Electron tunneling in biological molecules*
Electron transfers in photosynthesis and respiration commonly occur between protein-bound prosthetic groups that are separated by large molecular distances (often greater than 10 AÊ ). Although the electron donors and acceptors are expected to be weakly coupled, the reactions are remarkably fast and proceed with high speci®city. Tunneling timetables based on analyses of Fe/Cu to Ru electron-tra...
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A theory of electron transfer between two fixed sites by tunneling is developed. Vibronic coupling in the individual molecules produces an activation energy to transfer at high temperatures, and temperature-independent tunneling (when energetically allowed) at low temperature. The model is compared with known results on electron transfer in Chromatium and in Rhodopseudomonas spheroides. It quan...
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ژورنال
عنوان ژورنال: Pure and Applied Chemistry
سال: 1999
ISSN: 1365-3075,0033-4545
DOI: 10.1351/pac199971091753