Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Inhibits voltage-dependent potassium channels of the Kv1 family (Kv1.1/KCNA1 (Kd=6 nM), Kv1.2/KCNA2 (Kd=15 nM), Kv1.3/KCNA3 (Kd=10-39 nM), Kv1.6/KCNA6, and KCa3.1/KCNN4 (Kd=172 nM)). {ECO:0000269|PubMed:10419508, ECO:0000269|PubMed:10585444, ECO:0000269|PubMed:11707459, ECO:0000269|PubMed:8098956}.
Target
voltage-gated potassium channel (Kv)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Bunodosoma granuliferum (Red warty sea anemone)
Neurotoxin
Ion channel impairing toxin
Potassium channel impairing toxin
Voltage-gated potassium channel impairing toxin
Inhibits voltage-dependent potassium channels of the Kv1 family (Kv1.1/KCNA1 (Kd=6 nM), Kv1.2/KCNA2 (Kd=15 nM), Kv1.3/KCNA3 (Kd=10-39 nM), Kv1.6/KCNA6, and KCa3.1/KCNN4 (Kd=172 nM))..
Kappa-actitoxin-Bgr1a (Kappa-AITX-Bgr1a) (Potassium channel toxin Bgk)
sea anemone
Sea anemone type 1 potassium channel toxin family, Type 1b subfamily
Evidence at protein level
3D-structure
Direct protein sequencing
Disulfide bond
Ion channel impairing toxin
Nematocyst
Neurotoxin
Potassium channel impairing toxin
Secreted
Toxin
Voltage-gated potassium channel impairing toxin