肌球蛋白轻链磷酸化对重酶解肌球蛋白与血影纤维中受调节的F-肌动蛋白相互作用的影响。
Effect of phosphorylation of myosin light chains on interaction of heavy meromyosin with regulated F-actin in ghost fibers.
作者信息
Szczesna D, Lebedeva N N, Kakol I
出版信息
Experientia. 1987 Feb 15;43(2):194-6. doi: 10.1007/BF01942849.
PMID:3545896
Abstract
The binding of phosphorylated heavy meromyosin to regulated F-actin in ghost fibers at high Ca2+ concentration increases, and at low Ca2+ concentration decreases, the anisotropy of intrinsic tryptophan fluorescence of F-actin. The effect is opposite to the effect of the binding of dephosphorylated heavy meromyosin.
摘要
在高钙离子浓度下，磷酸化重酶解肌球蛋白与鬼纤维中受调节的F-肌动蛋白结合会增加F-肌动蛋白内在色氨酸荧光的各向异性，而在低钙离子浓度下则会降低。该效应与去磷酸化重酶解肌球蛋白结合的效应相反。
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