Neuropeptide K belongs to the tachykinin family. These active peptides excite neurons, provoke behaviorial responses, and are potent vasodilators and secretagogues.Porcine: H-Asp-Ala-Asp-Ser-Ser-Ile-Glu-Lys-Gln-Val-Ala-Leu-Leu-Lys-Ala-Leu-Tyr-Gly-His-Gly-Gln-Ile-Ser-His-Lys-Arg-His-Lys-Thr-Asp-Ser-Phe-Val-Gly-Leu-Met-NH2 or H-DADSSIEKQVALLKALYGHGQISHKRHKTDSFVGLM-NH2