A Theoretical Analysis of Absorption Spectra and Dynamics of Photosynthetic Reaction Centers
作者： Chung-Hung Chang , Michitoshi Hayashi , Railing Chang , Kuo-Kan Liang , Tzyy-Schiuan Yang
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摘要: In this work, we construct a microscopic model with which one can reconstruct all the experimentally observed characteristics of RCs including temperature effects. For purpose, analyze absorption spectra Rb. sphaeroides (R26 and R26.Phe-a mutants). We apply excitonic-vibronic displaced harmonic potential surface for nuclear freedoms determine properties such as electronic coupling constants, vibrational frequencies, displacements among surfaces these states. also take into account inhomogeneity in our theoretical analysis. introduce thermal expansion to treat dependent peak shifts P band RCs. With resulting information, calculate rate constants dynamic processes occurring RCs, determining states involved electron transfer energy Based on model, investigate mechanism direct path PB * H → + B - recently YM210W mutant.
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