omega-Agatoxin IVA

**Definition:** 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.

**Tree numbers:** - D12.644.400.562 - D12.776.093.249.500 - D20.888.065.870.324.500 - D23.946.833.065.870.324.500

**Synonyms:** - omega-Aga-IVA