The present invention provides a method of screening a compound or its salt that alters binding properties of a protein comprising the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, or a salt thereof, and a ligand capable of specifically binding to the protein or its salt, which comprises using (a) the protein, its partial peptide, or a salt thereof and (b) the ligand; a screening kit therefor, and so on. The screening method and kit of the present invention are useful for screening an agent for the prevention/treatment of, e.g., digestive tract disorders, cancer, immune disorders, type II diabetes mellitus or obesity, etc.
本发明提供了一种筛选化合物或其盐的方法,该化合物或其盐可改变包含与
SEQ ID NO: 1 所代表的
氨基酸序列相同或基本相同的
氨基酸序列的蛋白质或其盐的结合特性,以及能够与该蛋白质或其盐特异性结合的
配体,该方法包括使用(a)该蛋白质、其部分肽或其盐和(b)
配体;其筛选试剂盒等。本发明的筛选方法和试剂盒可用于筛选预防/治疗消化道疾病、癌症、免疫紊乱、II 型糖尿病或肥胖症等的药物。