Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: High affinity blocker of Kv1.3/KCNA3 channels of human T cells. Blocks Kv1.2/KCNA2 with an order of magnitude smaller than for Kv1.3/KCNA3. {ECO:0000269|PubMed:15615696}.
Target
voltage-gated potassium channel (Kv)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Anuroctonus phaiodactylus (Mafia scorpion)
Neurotoxin
Ion channel impairing toxin
Potassium channel impairing toxin
Voltage-gated potassium channel impairing toxin
High affinity blocker of Kv1.3/KCNA3 channels of human T cells. Blocks Kv1.2/KCNA2 with an order of magnitude smaller than for Kv1.3/KCNA3..
Potassium channel toxin alpha-KTx 6.12 (Anuroctoxin)
scorpion
Short scorpion toxin superfamily, Potassium channel inhibitor family, Alpha-KTx 06 subfamily
Evidence at protein level
Amidation
Direct protein sequencing
Disulfide bond
Ion channel impairing toxin
Neurotoxin
Potassium channel impairing toxin
Pyrrolidone carboxylic acid
Secreted
Toxin
Voltage-gated potassium channel impairing toxin
TISSUE SPECIFICITY: Expressed by the venom gland.