...
首页> 外文期刊>The FEBS journal >WD-repeat-propeller-FYVE protein, ProF, binds VAMP2 and protein kinase C zeta
【24h】

WD-repeat-propeller-FYVE protein, ProF, binds VAMP2 and protein kinase C zeta

机译:WD重复螺旋桨FYVE蛋白ProF结合VAMP2和蛋白激酶C Zeta

获取原文
获取原文并翻译 | 示例
           

摘要

We have recently identified a protein, consisting of seven WD repeats, presumably forming a beta-propeller, and a domain identified in Fab1p, YOTB, VAC1p, and EEA1 (FYVE) domain, ProF. The FYVE domain targets the protein to vesicular membranes, while the WD repeats allow binding of the activated kinases Akt and protein kinase (PK)C zeta. Here, we describe the vesicle-associated membrane protein 2 (VAMP2) as interaction partner of ProF. The interaction is demonstrated with overexpressed and endogenous proteins in mammalian cells. ProF and VAMP2 partially colocalize on vesicular structures with PKC zeta and the proteins form a ternary complex. VAMP2 can be phosphorylated by activated PKC zeta in vitro and the presence of ProF increases the PKC zeta-dependent phosphorylation of VAMP2 in vitro. ProF is an adaptor protein that brings together a kinase with its substrate. VAMP2 is known to regulate docking and fusion of vesicles and to play a role in targeting vesicles to the plasma membrane. The complex may be involved in vesicle cycling in various secretory pathways.
机译:我们最近鉴定了一种蛋白质,该蛋白质由七个WD重复序列组成,大概形成了β-螺旋桨,并在Fab1p,YOTB,VAC1p和EEA1(FYVE)域(ProF)中确定了一个域。 FYVE结构域将蛋白质靶向囊泡膜,而WD重复序列则允许活化的激酶Akt和蛋白质激酶(PK)C zeta结合。在这里,我们描述了囊泡相关膜蛋白2(VAMP2)作为ProF的相互作用伙伴。哺乳动物细胞中的过表达和内源性蛋白质证明了这种相互作用。 ProF和VAMP2与PKC zeta部分共定位在水泡结构上,蛋白质形成三元复合物。 VAMP2可以在体外被活化的PKC zeta磷酸化,ProF的存在增加了VAMP2在体外的PKC zeta依赖性磷酸化。 ProF是一种衔接蛋白,可将激酶与其底物结合在一起。已知VAMP2调节囊泡的对接和融合,并在将囊泡靶向质膜中发挥作用。该复合物可能以各种分泌途径参与囊泡循环。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号