A<unk>  is a high-molecular mass neurotoxin found in the venom of spiders of the genus Latrodectus (widow spiders) and also found in the venom of spider species, Steatoda nobilis.<unk> s are the main active components of the venom and are responsible for the symptoms of latrodectism. The following<unk> s have been described: five insecticidal toxins, termed α, β, γ, δ and ε-latroinsectotoxins, one vertebrate-specific neurotoxin, alpha-latrotoxin, and one toxin affecting crustaceans, α-latrocrustatoxin.
Latrotoxin
Kurtoxin
Alpha-neurotoxin
Dinotoxin
Bungarotoxin
Neurotoxin
Kaliotoxin
Agitoxin