Identification of Relaxin-3/INSL7 as an Endogenous Ligand for the Orphan G-protein-coupled Receptor GPCR135

Abstract excerpt

GPCR135, publicly known as somatostatin- and angiotensin-like peptide receptor, is expressed in the central nervous system and its cognate ligand(s) has not been identified. We have found that both rat and porcine brain extracts stimulated 35S-labeled guanosine 5'-O-(3-thiotriphosphate) (GTPgammaS) incorporation in cells over-expressing GPCR135. Multiple rounds of extraction, purification, followed by N-terminal...

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