期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 111, 期 11, 页码 2948-2956出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp066256u
关键词
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The mechanism of the proton transfer and the concomitant molecular structural and hydrogen bond rearrangements after the photoisomerization of the chromophore in the photocycle of photoactive yellow protein are theoretically investigated by using the QM/MM method and molecular dynamics calculations. The free energy surface along this proton-transfer process is determined. This work suggests the important role of the water molecular migration into the moiety of chromophore, which facilitates proton transfer by the hydrogen bond rearrangement and the hydration of the pB' state.
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