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首页> 外文期刊>Current Opinion in Cell Biology >Role of beta-arrestins and arrestin domain-containing proteins in G protein-coupled receptor trafficking. [Review]
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Role of beta-arrestins and arrestin domain-containing proteins in G protein-coupled receptor trafficking. [Review]

机译:β-抑制蛋白和抑制蛋白域蛋白在G蛋白偶联受体运输中的作用。 [评论]

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摘要

The arrestin clan can now be broadly divided into three structurally similar subgroups: the originally identified arrestins (visual and beta-arrestins), the alpha-arrestins and a group of Vps26-related proteins. The visual and beta-arrestins selectively bind to agonist-occupied phosphorylated G protein-coupled receptors (GPCRs) and inhibit GPCR coupling to heterotrimeric G proteins while the beta-arrestins also function as adaptor proteins to regulate GPCR trafficking and G protein-independent signaling. The alpha-arrestins have also recently been implicated in regulating GPCR trafficking while Vps26 regulates retrograde trafficking. In this review, we provide an overview of the alpha-arrestins and beta-arrestins with a focus on our current understanding of how these adaptor proteins regulate GPCR trafficking
机译:现在,抑制蛋白家族可以大致分为三个结构相似的亚组:最初鉴定的抑制蛋白(视觉和β-抑制蛋白),α-抑制蛋白和一组Vps26相关蛋白。视觉和β-arrestins选择性结合激动剂占据的磷酸化G蛋白偶联受体(GPCR),并抑制GPCR与异源三聚体G蛋白的偶联,而β-arrestins还可作为衔接蛋白调节GPCR的运输和不依赖G蛋白的信号传导。最近,α-抑制蛋白还参与了调节GPCR的交易,而Vps26则调控逆行的交易。在这篇综述中,我们提供了α-arrestins和β-arrestins的概述,重点是我们目前对这些衔接子蛋白如何调控GPCR转运的理解。

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