Hcr tr2,Hcrt receptor 2,Hcrtr2,Hypocretin (orexin) receptor 2,Hypocretin receptor 2,Hypocretin receptor type 2,Orexin 2 receptor,Orexin A/Orexin B receptor,Orexin receptor 2,Orexin receptor type 2,Orexin type 2 receptor,Ox-2-R,Ox2-R,Ox2r,OX2R,Type 2 hypocretin receptor,Type 2 orexin receptor,The protein encoded by this gene is a G-protein coupled receptor involved in the regulation of feeding behavior. The encoded protein binds the hypothalamic neuropeptides orexin A and orexin B. A related gene (HCRTR1) encodes a G-protein coupled receptor that selectively binds orexin A.