Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Binds the voltage-sensor domain of the potassium channel KvAP (from the archaeon Aeropyrum pernix) and affects channel gating. {ECO:0000269|PubMed:15287735}.
Target
voltage-gated potassium channel (Kv)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Grammostola rosea (Chilean rose tarantula) (Grammostola spatulata)
Neurotoxin
Ion channel impairing toxin
Potassium channel impairing toxin
Binds the voltage-sensor domain of the potassium channel KvAP (from the archaeon Aeropyrum pernix) and affects channel gating..
Kappa-theraphotoxin-Gr2b (Kappa-TRTX-Gr2b) (Voltage sensor toxin 2) (VSTX2)
spider
Neurotoxin 30 (phrixotoxin) family
Evidence at protein level
Direct protein sequencing
Disulfide bond
Ion channel impairing toxin
Knottin
Neurotoxin
Potassium channel impairing toxin
Secreted
Toxin
TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000305|PubMed:15287735}.