Function
Tachykinins are active peptides which excite neurons, evoke behavioral responses, are potent vasodilators and secretagogues, and contract (directly or indirectly) many smooth muscles.
Sequence
MQCDFRVHQDARLARVYYFTEVWWMFIFKFLEPKMLINSVLFLAIWSSSFAEESSSSDATSNKRAAMGFQDMRGNKNLIPTSLEHNKLSKRTLMDFQDNKDSNAPDIEDNLSHEFEKRAPMGFQGMRGKKGYLTPDFEDSYFRDEKRAPMGFQGMRGKKVVSDDDYYKRAPMGFQGMRGKKSLEEVLGEIEKKAAMDYYDTRDKKTYVFEYPEDYEKRLLASIRGKLKEFPMEWEKRAPMGFQGMRGKKSLLDEIEELEKRTIMGFQGMRGKKNALENYIDYYLDPDMDFDKRAPMGFQGMRGKKDSDKRAPMGFQGMRGKRNTGQRFDTGINFNIRSSNEYQGTNNRRNALASCQLEKRSPFRYFEMRGKKNPRWELRGMFVGVRGKKWATAPYEDDSPFISVFDNTERIGVDGDSPAILGNSIS