A study of rhodopsin-detergent micelles by transient electric birefringence.
作者信息
Wright A K
出版信息
Biophys Chem. 1976 Mar;4(2):199-202. doi: 10.1016/0301-4622(76)85010-7.
PMID:1260100
Abstract
The hydrodynamic method of transient electric birefringence has been used to study bovine rhodopsin solubilized in two detergents, 0.02% Ammonyx LO and 0.045% digitonin. All measurements are interpreted as the sum of two exponentials by which the relaxation times yield the rotary diffusion coefficients for ellipsoids of revolution. The semi-major and minor axes for prolate ellipsoid models have been calculated and their axial ratio, 6.8, in both detergents, is in line with recent reports on the structure of rhodopsin. Studies on bleached rhodopsin showed a large increase in axial ratio in 0.02% Ammonyx LO.
摘要
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