Neurotoxin active on both insects and mammals. Monomer. Expressed by the venom gland. LD(50) is 1.41 mg/kg by intracerebroventricular injection into mice. PD(50) is 16 mg/kg in cockroaches. Belongs to the neurotoxin 12 (Hwtx-2) family. 02 (Hwtx-2) subfamily.