Prolactin-releasing peptide receptor Tags: Protein.The prolactin-releasing peptide receptor (PrRPR) also known as G-protein coupled receptor 10 (GPR10) is a protein that in humans is encoded by the PRLHR gene.PrRPR is a G-protein coupled receptor that binds the prolactin-releasing peptide (PRLH). EntrezGene 2834 Learn more... Loading...