Echistatin α1 isoform

Echistatin was originally purified from the venom of the viper Echis carinatus. Echistatin is a cyclic RGD peptide that inhibits platelet aggregation by inhibiting the glycoprotein IIb/IIIa complex receptor. Echistatin is a potent disintegrin that antagonize αVβ3 integrin and has been described to inhibit cell proliferation, migration, invasion, and adhesion of αVβ3 expressing cells.