... isolated from the venom of theScorpionidae, IsTx from the Ischnuridae, HgeTx1 from the Caraboctonidae, and anuroctoxin from the Chacti-dae. Therefore, HTX was the first example of such apeptide from ... MTX was from S. maurus [10]; Pi1, Pi4 andPi7 were purified from P. imperator [9,21]; HsTx1 [22] and spinoxin (Protein Data Bank code Iv56A [25]) was from He. spinnifer; OcKTx1–5were from O. ... scor-pion toxin 7 (Pi7), were obtained from P. imperator[9,21], Heterometrus spinnifer scorpion toxin 1 (HsTx1)was obtained from He. spinnifer [22], MTX wasobtained from S. maurus [10], K+channel...