Recruitment of PP1 to the centrosomal scaffold protein CEP192.

Recruitment of PP1 to the centrosomal scaffold protein CEP192.
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将 PP1 募集至中心体支架蛋白 CEP192。

DOI:
10.1016/j.bbrc.2017.02.004
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发表时间:
2017
影响因子:
3.1
通讯作者:
Moorhead,GregB
Moorhead,GregB
中科院分区:
生物学4区
文献类型:
--
作者:
Nasa,Isha;Trinkle-Mulcahy,Laura;Douglas,P;Chaudhuri,Sibapriya;Lees-Miller,SP;Lee,KyungS;Moorhead,GregB

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192kDa的中心体蛋白(CEP192)是一种支架蛋白,它将有丝分裂蛋白激酶Aurora A和PLK1招募到中心体。在这里,我们证明了CEP192也通过一个高度保守的KHVTF对接基序招募第一型蛋白磷酸酶(PP1)。KHVTF基序的苏氨酸在有丝分裂过程中被磷酸化,蛋白激酶抑制研究表明这是一个PLK1依赖的过程。
Centrosomal protein of 192 kDa (CEP192) is a scaffolding protein that recruits the mitotic protein kinases Aurora A and PLK1 to the centrosome. Here we demonstrate that CEP192 also recruits the type one protein phosphatase (PP1) via a highly conserved KHVTF docking motif. The threonine of the KHVTF motif is phosphorylated during mitosis and protein kinase inhibition studies suggest this to be a PLK1-dependent process.