Receptor Activity-Modifying Proteins (RAMPs): New Insights and Roles.

Receptor Activity-Modifying Proteins (RAMPs): New Insights and Roles.
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DOI:
10.1146/annurev-pharmtox-010715-103120
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发表时间:
2016
影响因子:
12.5
通讯作者:
Pioszak AA
Pioszak AA
中科院分区:
医学1区
文献类型:
--
作者:
Hay DL;Pioszak AA

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G蛋白偶联受体(GPCR)曾经被认为是很大程度上独立的功能单位,现在被认为具有更多样化的分子结构。受体活性修饰蛋白(RAMP)提供了与GPCR相互作用以修饰其功能的蛋白质的主要实例。RAMP能够充当药理学开关、分子伴侣,以受体依赖性方式调节信号传导和/或运输。本文综述了RAMP领域的最新发现,并总结了已知的GPCR伙伴和RAMP的功能。我们还讨论了RAMP-GPCR复合物的第一个肽结合结构,这使我们深入了解RAMPs如何改变GPCR的药理学及其信号传导的分子机制。
Once considered as largely independent functional units, G protein-coupled receptors (GPCRs) are now recognized as having a far more diverse molecular architecture. Receptor activity-modifying proteins (RAMPs) provide a major example of proteins that interact with GPCRs to modify their function. RAMPs are able to act as pharmacological switches, chaperones, regulate signaling and/or trafficking in a receptor-dependent manner. This review covers recent discoveries in the RAMP field and summarizes the known GPCR partners and functions of RAMPs. We also discuss the first peptide-bound structures of RAMP-GPCR complexes, which give insight into the molecular mechanisms as to how RAMPs can alter the pharmacology of GPCRs and their signaling.
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