Calcium-dependent interaction of transducin with calmodulin Sepharose

被引：0
|
作者：
Grishchenko V.M. [1 ]
Orlova T.G. [1 ]
Freidin A.A. [1 ]
Orlov N.Ya. [1 ]
机构：
[1] Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region
来源：
Biophysics | 2006年 / 51卷 / 5期
关键词：
Calmodulin; G proteins; Transducin; Transduction systems;
D O I：
10.1134/S0006350906050083
中图分类号：
学科分类号：
摘要：
Affinity chromatography on calmodulin Sepharose showed that transducin, the G protein of bovine retinal rod outer segments, interacts with the Ca 2+-calmodulin complex. This may mean that in the dark, rod outer segment calmodulin is largely in the bound state. It was assumed that photoactivation of rods induces a change in the calmodulin concentration in the cytoplasm of rod outer segments and this may be one of the processes leading to light adaptation of the photoreceptor. © Nauka/Interperiodica 2006.
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页码：721 / 725
页数：4
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