on potassium channels At this point, the effects of JZTX-34 on potassium channels are largely unknown. Toxicity The crude venom of Chilobrachys Jingzhao is lethal to mice with an intraperitoneal LD50 of 4.4 mg/kg. The scarce LD50 values that have been described for the toxins that make up the venom vary; 0.23 mg/kg (JZTX-IX) – 1.48 mg/kg (JZTX-I). See also Guangxitoxin References Neurotoxins Ion channel toxins Spider toxins