The prokineticin receptor is a G protein-coupled receptor which binds the peptide hormone prokineticin. There are two variants each encoded by a different gene (PROKR1, PROKR2).[1] These receptors mediate gastrointestinal smooth muscle contraction and angiogenesis.
"Prokineticin Receptors". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology. Archived from the original on 2011-05-16. Retrieved 2007-10-25.