Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Omega-agatoxin are antagonist of voltage-gated calcium channels. They block insect neuromuscular transmission presynaptically. This toxin is a blocker of L-type calcium channels (Cav/CACNA1).
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-Aa1b (Omega-AGTX-Aa1b) (Omega-agatoxin IB) (Omega-Aga-IB) (Omega-agatoxin-1B)
spider
Neurotoxin 04 (omega-agtx) family, 01 (type I 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.