| abstract |
(57) [Summary] [PROBLEMS] SE which is a G protein-coupled receptor protein NR (sensory epithelium neuropeptide-like recepto Provided is a polypeptide having a ligand activity for r) and use of a DNA encoding the same. SOLUTION: An anti-attention deficit disorder or an anti-narcoleptic agent comprising a polypeptide having the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, or an amide or an ester or a salt thereof, A compound having an anti-attention deficit disorder or an anti-narcoleptic activity characterized by using the above polypeptide, or a precursor protein or a salt thereof, or having an anxiolytic, anti-depressive, anti-insomnia, anti-schizophrenic or anti-phobic activity Methods for screening compounds or salts thereof. |