Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Omega-agatoxin are antagonist of voltage-gated calcium channels. They block insect neuromuscular transmission presynaptically. Potent blocker of N-type calcium channels (Cav2.2/CACNA1B).
Target
voltage-gated calcium channel (Cav)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Agelenopsis aperta (North American funnel-web spider) (Agelenopsis gertschi)
Neurotoxin
Presynaptic neurotoxin
Calcium channel impairing toxin
Ion channel impairing toxin
Voltage-gated calcium channel impairing toxin
Omega-agatoxin are antagonist of voltage-gated calcium channels. They block insect neuromuscular transmission presynaptically.
Omega-agatoxin-Aa2a (Omega-AGTX-Aa2a) (Omega-agatoxin IIA) (Omega-Aga-IIA) (Omega-agatoxin-2A)
spider
Neurotoxin 04 (omega-agtx) family, 03 (type II/III omega-agtx) subfamily
Evidence at protein level
Calcium channel impairing toxin
Direct protein sequencing
Ion channel impairing toxin
Neurotoxin
Presynaptic neurotoxin
Secreted
Toxin
Voltage-gated calcium channel impairing toxin
TISSUE SPECIFICITY: Expressed by the venom gland.