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首页> 外文期刊>Cell motility and the cytoskeleton >The light chain composition of chicken brain myosin-Va: calmodulin, myosin-II essential light chains, and 8-kDa dynein light chain/PIN.
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The light chain composition of chicken brain myosin-Va: calmodulin, myosin-II essential light chains, and 8-kDa dynein light chain/PIN.

机译:鸡脑肌球蛋白-Va的轻链组成:钙调蛋白,肌球蛋白-II基本轻链和8-kDa达因轻链/ PIN。

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摘要

Class V myosins are a ubiquitously expressed family of actin-based molecular motors. Biochemical studies on myosin-Va from chick brain indicate that this myosin is a two-headed motor with multiple calmodulin light chains associated with the regulatory or neck domain of each heavy chain, a feature consistent with the regulatory effects of Ca(2+) on this myosin. In this study, the identity of three additional low molecular weight proteins of 23-,17-, and 10 kDa associated with myosin-Va is established. The 23- and 17-kDa subunits are both members of the myosin-II essential light chain gene family, encoded by the chicken L23 and L17 light chain genes, respectively. The 10-kDa subunit is a protein originally identified as a light chain (DLC8) of flagellar and axonemal dynein. The 10-kDa subunit is associated with the tail domain of myosin-Va. Copyright 2000 Wiley-Liss, Inc.
机译:V类肌球蛋白是基于肌动蛋白的分子马达的普遍表达的家族。对来自鸡脑的肌球蛋白-Va的生化研究表明,该肌球蛋白是双头运动,具有多个钙调蛋白轻链,与每个重链的调节或颈部结构域相关,该特征与Ca(2+)对这个肌球蛋白。在这项研究中,确定了与肌球蛋白-Va相关的三种另外的低分子量蛋白质23-,17-和10 kDa。 23-kDa和17-kDa亚基都是肌球蛋白-II必需轻链基因家族的成员,分别由鸡的L23和L17轻链基因编码。 10 kDa亚基是最初被鉴定为鞭毛和轴突动力蛋白的轻链(DLC8)的蛋白质。 10-kDa亚基与肌球蛋白-Va的尾部结构域相关。版权所有2000 Wiley-Liss,Inc.

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