KINETIC AND SPECTROSCOPIC EFFECTS OF PROTEIN-CHROMOPHORE ELECTROSTATIC INTERACTIONS IN BACTERIORHODOPSIN

被引:57
作者
WARSHEL, A [1 ]
OTTOLENGHI, M [1 ]
机构
[1] HEBREW UNIV JERUSALEM,DEPT PHYS CHEM,JERUSALEM 91000,ISRAEL
关键词
D O I
10.1111/j.1751-1097.1979.tb07149.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Abstract— Available pH effects on the absorption spectrum and on the rates of dark adaptation (all‐trans → 13‐cis interconversion) of bacteriorhodopsin are analyzed in terms of a model based on protein‐chromophore electrostatic interactions. Plausible locations of three protein acid‐base groups controlling the spectrum and the activation energy of the thermal trans → 13‐cis process are suggested. The importance of the protein charges in controlling the cycles of bacteriorhodopsin is indicated. Copyright © 1979, Wiley Blackwell. All rights reserved
引用
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页码:291 / 293
页数:3
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