Physalaemin Peptide belongs to the tachykinin family which excites neurons, provoke behaviorial responses, are potent vasodilators and secretagogues.Frog: pGlu-Ala-Asp-Pro-Asn-Lys-Phe-Tyr-Gly-Leu-Met-NH2 or pEADPNKFYGLM-NH2