Chlorotoxin. An Inhibitor of Some Chloride Channels.
Native Chlorotoxin (CTX) is a 36-amino acid peptide, originally isolated from the venom of the giant yellow Israeli scorpion Leiurus quinquestriatus hebraeus. Primary amino acid sequence shows considerable homology to a class of short insectotoxins.
Initially, CTX has been demonstrated as an irreversible inhibitor of small conductance Cl