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FMRFamide-related neuropeptides are agonists of the orphan G-protein-coupled receptor GPR54.

Authors: Clements, MK  McDonald, TP  Wang, R  Xie, G  O'Dowd, BF  George, SR  Austin, CP  Liu, Q 
Citation: Clements MK, etal., Biochem Biophys Res Commun. 2001 Jun 29;284(5):1189-93.
Pubmed: (View Article at PubMed) PMID:11414709
DOI: Full-text: DOI:10.1006/bbrc.2001.5098

We have isolated and determined the coding sequences of human and mouse orthologs of the rat orphan G-protein-coupled receptor GPR54. Mouse and rat GPR54 are nearly 95% identical to each other, and both are approximately 85% identical to human GPR54 at the amino acid level. Screening of agonists for GPR54 identified several invertebrate neuropeptides of the RFamide and RWamide family that were able to activate GPR54 at microM range through the G(alpha)q pathway. Substitution analysis showed that the C-terminal optimal sequence of GPR54-activating peptides is Gly-Leu-Arg-Trp-NH2. Northern analysis of human GPR54 detected expression in several peripheral tissues and many regions of the central nervous system.

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RGD Object Information
RGD ID: 1599294
Created: 2007-01-29
Species: All species
Last Modified: 2007-01-29
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.