omega-Agatoxin IVA
Synonyms
IVA, omega-Agatoxin
omega Aga IVA
omega Agatoxin IVA
omega-Aga-IVA
A neuropeptide toxin from the venom of the funnel web spider, Agelenopsis aperta. It inhibits CALCIUM CHANNELS, P-TYPE by altering the voltage-dependent gating so that very large depolarizations are needed for channel opening. It also inhibits CALCIUM CHANNELS, Q-TYPE.