Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Inhibitor of voltage-gated potassium channels. It specifically inhibits Kv2.1/KCNB1 channels. {ECO:0000269|PubMed:12065754}.
Target
voltage-gated potassium channel (Kv)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Heteroscodra maculata (Togo starburst tarantula) (Togo starburst baboon spider)
Neurotoxin
Ion channel impairing toxin
Potassium channel impairing toxin
Voltage-gated potassium channel impairing toxin
Inhibitor of voltage-gated potassium channels. It specifically inhibits Kv2.1/KCNB1 channels..
Kappa-theraphotoxin-Hm2a (Kappa-TRTX-Hm2a) (Heteroscodratoxin-2) (HmTx2)
spider
Neurotoxin 10 (Hwtx-1) family, 13 (Hntx-13) subfamily
Evidence at protein level
Amidation
Direct protein sequencing
Disulfide bond
Ion channel impairing toxin
Knottin
Neurotoxin
Potassium channel impairing toxin
Secreted
Toxin
Voltage-gated potassium channel impairing toxin
TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000305|PubMed:12065754}.