... El Ayeb, M., Rochat, H., Allen, P.D., Pessah, I.N., De Waard, M & Sabatier, J.M (2000) Chemical synthesis and characterization of maurocalcine, a scorpion toxin that activates Ca2+ release channel/ryanodine ... synthesis and characterization of Pi1, a scorpion toxin from Pandinus imperator active on K+ channels Eur J Biochem 267, 5149–5155 Lebrun, B., Romi-Lebrun, R., Martin-Eauclaire, M.-F., Yasuda, A. , ... Functional map of Pi4 towards rat Kv1.2 channel, and comparison with that of Pi1 Functional maps of Pi4 [1] and Pi1 [5–7] (A and B, respectively) The structures of scorpion toxins are shown according...