[Ala1,​3,​11,​15]​-​Endothelin (53-63) (TFA)

[Ala1,3,11,15]-Endothelin (53-63) (TFA) is an ETB agonist. [Ala1,3,11,15]-Endothelin (53-63) (TFA) has selectivity for ETB with IC50 values range from 0.33 nM to 0.61 nM. [Ala1,3,11,15]-Endothelin (53-63) (TFA) can be used for the research of vasoconstriction.