The pK of Schiff base deprotonation in bacteriorhodopsin.

The pK of Schiff base deprotonation in bacteriorhodopsin.
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细菌视紫红质希夫碱去质子化的 pK。

DOI:
10.1016/0006-291x(78)90307-8
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发表时间:
1978
影响因子:
3.1
通讯作者:
A. Lewis
A. Lewis
中科院分区:
生物学4区
文献类型:
--
作者:
B. Ehrenberg;A. Lewis

文献摘要

被引文献

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动力学共振拉曼光谱作为pH值的函数已被用来确定在细菌视紫红质光化学循环的席夫碱去质子化的pK。结果表明,席夫碱去质子化的pK在光吸收后为9.9 - 10.3微秒,在与质子泵相关的光化学循环的光子引发前>12。
Kinetic resonance Raman spectroscopy as a function of pH has been utilized to determine the pK of Schiff base deprotonation during the bacteriorhodopsin photochemical cycle. It is shown that the pK of Schiff base deprotonation is between 9.9 and 10.3, microseconds after light absorption and is >12 before photon initiation of photochemical cycling associated with proton pumping.