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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Genghis Khan (Gek) as a putative effector for Drosophila Cdc42 and regulator of actin polymerization
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Genghis Khan (Gek) as a putative effector for Drosophila Cdc42 and regulator of actin polymerization

机译:成吉思汗(Gek)作为果蝇Cdc42的假定效应子和肌动蛋白聚合调节剂

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摘要

The small GTPases Cdc42 and Rac regulate a variety of biological processes, including actin polymeriza- tion, cell proliferation, and JNK/mitogen-activated protein kinase activation, conceivably via distinct effectors. Whereas the effector for mitogen-activated protein kinase activation appears to be p65~PAK, the identity of effector(s) for actin polymerization remains unclear. We have found a putative effector for Drosophila Cdc42, Genghis Khan (Gek), which binds to Dcdc42 in a GTP-dependent and effector domain- dependent manner. Gek contains a predicted serine/ threonine kinase catalytic domain that is 63/100 identical to human myotonic dystrophy protein kinase and has protein kinase activities.
机译:小的GTPases Cdc42和Rac调节各种生物学过程,包括肌动蛋白聚合,细胞增殖和JNK /丝裂原活化的蛋白激酶活化,可能是通过不同的效应子。尽管有丝分裂原活化的蛋白激酶激活的效应子似乎是p65〜PAK,但肌动蛋白聚合的效应子的身份仍不清楚。我们发现了果蝇Cdc42的推定效应子,成吉思汗(Gek),它以GTP依赖和效应子域依赖的方式与Dcdc42结合。 Gek包含预测的丝氨酸/苏氨酸激酶催化结构域,与人强直性营养不良蛋白激酶63/100相同,并具有蛋白激酶活性。

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