Predicted to enable G protein-coupled peptide receptor activity. Predicted to be involved in adenylate cyclase-activating G protein-coupled receptor signaling pathway and hormone-mediated signaling pathway. Predicted to act upstream of or within G protein-coupled receptor signaling pathway. Predicted to be located in membrane. Predicted to be active in plasma membrane. Orthologous to human RXFP1 (relaxin family peptide receptor 1).