Charybdotoxin TFA, a 37-amino acid peptide isolated from venom of the scorpion Leiurus quinquestriatus var. hebraeus, is a K+ channel blocker[1].
Charybdotoxin represents a remarkable tool for studying K+ channels[1].
[1]. M L Garcia , et al. Charybdotoxin and its effects on potassium channels. Am J Physiol. 1995 Jul;269(1 Pt 1):C1-10.
















