<unk>  is one of many neurotoxic polypeptide components in the venom of the South African Spitting scorpion. It has a birtoxin-like structure. Antibodies against the N-terminus of the birtoxin protein structure can neutralize the venom of the South African spitting scorpion, and such antibodies may be useful clinically to treat envenomation.
Ikitoxin
Saxitoxin
Agitoxin
Kaliotoxin
Bungarotoxin
Dortoxin
Presepsin
Charybdotoxin