USE OF POLYPEPTIDE

摘要

Use of a polypeptide having a ligand activity to sensory epithelium neuropeptide-like receptor (SENR) which is a G protein-coupled receptor protein and DNA encoding the same. Drugs against attention deficit disorder or narcolepsy containing the polypeptide having a ligand activity to SENR or its salt; and a method of screening a compound having an activity against attention deficit disorder or narcolepsy, a compound having an activity against anxiety, depression, insomnia, schizophrenia or fear or salts thereof characterized by using the above-described polypeptide, its precursor protein or its salt.