This invention provides isolated nucleic acids encoding mammalian SNORF36 receptors, purified mammalian SNORF36 receptors, vectors comprising nucleic acid encoding mammalian SNORF36 receptors, cells comprising such vectors, antibodies directed to mammalian SNORF36 receptors, nucleic acid probes useful for detecting nucleic acid encoding mammalian SNORF36 receptors, antisense oligonucleotides complementary to unique sequences of nucleic acid encoding mammalian SNORF36 receptors, transgenic, nonhuman animals which express DNA encoding normal or mutant mammalian SNORF36 receptors, methods of isolating mammalian SNORF36 receptors, methods of treating an abnormality that is linked to the activity of the mammalian SNORF36 receptors, as well as methods of determining binding of compounds to mammalian SNORF36 receptors, methods of identifying agonists and antagonists of SNORF36 receptors, and agonists and antagonists so identified.