Neuropeptide B(NPB) that consists of 29 amino acid was identified to be an endogenous ligand for the G-protein coupled receptor 7 (GPR7).

• 神经肽B是一个由29个氨基酸组成的肽,它是G-蛋白耦联受体7(GPR7)的内源性配体,它们在中枢神经系统有广泛的表达。