Probable G-protein coupled receptor 45 is a protein that in humans is encoded by the GPR45gene.
This intronless gene encodes a member of the G protein-coupled receptor (GPCR) family. Members of this protein family contain seven putative transmembrane domains and may mediate signaling processes to the interior of the cell via activation of heterotrimeric G proteins. This protein may function in the central nervous system.
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Kawasawa Y, Kume K, Izumi T, Shimizu T (2000). "Mammalian PSP24s (alpha and beta isoforms) are not responsive to lysophosphatidic acid in mammalian expression systems". Biochem. Biophys. Res. Commun.276 (3): 957–64. doi:10.1006/bbrc.2000.3570. PMID11027575.