来自兔肌肌浆网的一种二磷酸腺苷酶可裂解与F-肌动蛋白结合的二磷酸腺苷。
An ADPase from sarcoplasmic reticulum of rabbit muscle cleaves ADP bound to F-actin.
作者信息
Lanzara V, Magri E, Grazi E
出版信息
Int J Biochem. 1986;18(2):179-82. doi: 10.1016/0020-711x(86)90153-9.
PMID:3005071
Abstract
We have found that sarcoplasmic reticulum from rabbit muscle contains an ADPase which cleaves ADP bound to F-actin. The interaction is not of the simple Michaelis-Menten type, the order of the reaction being larger than the first. A possible explanation of this behaviour could be that ADPase binds to two adjacent actin monomers with a preferred orientation thus cleaving preferentially the nucleotide of one of the two monomers.
摘要
我们发现，兔肌肉的肌浆网含有一种ADP酶，该酶可裂解与F-肌动蛋白结合的ADP。这种相互作用并非简单的米氏类型，反应级数大于一级。对此行为的一种可能解释是，ADP酶以优先取向与两个相邻的肌动蛋白单体结合，从而优先裂解两个单体之一的核苷酸。
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