Kaliotoxin (1-37) is a toxin from the scorpion Artdroctonus mauretanicus mauretanicus. Kaliotoxin (1-37) is a potent calcium-dependent potassium channel blocker[1].
References
[1] Fernández I, et, al. Kaliotoxin (1-37) shows structural differences with related potassium channel blockers. Biochemistry. 1994 Nov 29;33(47):14256-63. DOI:10.1021/bi00251a038