Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Omega-agatoxins are antagonists of voltage-gated calcium channels (Cav). They block neuromuscular transmission presynaptically (By similarity). {ECO:0000250}.
Target
voltage-gated calcium channel (Cav)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Ancylometes sp. (South American fishing spider)
Neurotoxin
Presynaptic neurotoxin
Calcium channel impairing toxin
Ion channel impairing toxin
Voltage-gated calcium channel impairing toxin
Omega-agatoxins are antagonists of voltage-gated calcium channels (Cav). They block neuromuscular transmission presynaptically (By similarity)..
U1-ctenitoxin-Asp1a (U1-CNTX-Asp1a) (Neurotoxin ANC32C7)
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. {ECO:0000269|Ref.1}.