Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Gating-modifier toxin with very weak activity on Nav1.7/SCN9A and Nav1.8/SCN10A. Shows 22% peak current inhibition (at 10 uM) on Nav1.8/SCN10A sodium channels. Show peak current inhibition and delays fast inactivation on Nav1.7/SCN9A (EC(50)>10 uM). {ECO:0000269|PubMed:32092883}.
Target
voltage-gated sodium channel (Nav)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Poecilotheria metallica (Metallic blue ornamental tree spider)
Neurotoxin
Ion channel impairing toxin
Voltage-gated sodium channel impairing toxin
Gating-modifier toxin with very weak activity on Nav1.7/SCN9A and Nav1.8/SCN10A. Shows 22% peak current inhibition (at 10 uM) on Nav1.8/SCN10A sodium channels.
Mu/delta-theraphotoxin-Pm2a (Mu/delta-TRTX-Pm2a) (Delta/mu-theraphotoxin-Pm2a)
spider
Neurotoxin 10 (Hwtx-1) family, 47 subfamily
Evidence at protein level
Amidation
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:32092883}.