PR:000001499 orexin receptor hypocretin receptor has_part Pfam:PF03827 Orexin receptor type 2 20090326 PRO:CNA PR:000001499 orexin receptor hypocretin receptor has_part Pfam:PF00001 7 transmembrane receptor (rhodopsin family) PIRSF:PIRSF038624 ISS PIRSF:PIRSF038624 PIRSF:PIRSF038624 20090326 PRO:CNA