Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Lethal neurotoxin. Slows the inactivation of tetrodotoxin-sensitive voltage-gated sodium channels (Nav) by binding to site 3 of the channel, resulting in repetitive firing in autonomic and motor nerve fibers. {ECO:0000269|PubMed:10745084}.
Target
voltage-gated sodium channel (Nav)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Hadronyche versuta (Blue mountains funnel-web spider) (Atrax versutus)
Neurotoxin
Ion channel impairing toxin
Voltage-gated sodium channel impairing toxin
Lethal neurotoxin. Slows the inactivation of tetrodotoxin-sensitive voltage-gated sodium channels (Nav) by binding to site 3 of the channel, resulting in repetitive firing in autonomic and motor nerve fibers..
Delta-hexatoxin-Hv1b (Delta-HXTX-Hv1b) (Delta-atracotoxin-Hv1b) (Delta-ACTX-Hv1b)
spider
Neurotoxin 06 (delta-actx) family
Evidence at protein level
Direct protein sequencing
Disulfide bond
Ion channel impairing toxin
Knottin
Neurotoxin
Secreted
Toxin
Voltage-gated sodium channel impairing toxin
TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000305|PubMed:10745084}.