Neuropeptide Y (NPY) is implicated in the control of feeding and in the secretion of gonadotrophin-release hormone.Human: H-Pro-Ala-Glu-Asp-Met-Ala-Arg-Tyr-Tyr-Ser-Ala-Leu-Arg-His-Tyr-Ile-Asn-Leu-Ile-Thr-Arg-Gln-Arg-Tyr-NH2 or H-PAEDMARYYSALRHYINLITRQRY-NH2