kurtoxin   Click here for help

GtoPdb Ligand ID: 2521

Synonyms: Ktx
Comment: From Parabuthus transvaalicus (South African fattail scorpion)
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Selectivity at ion channels
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
Cav2.1 Rn Gating inhibitor Antagonist 7.8 pEC50 - 2
pEC50 7.8 [2]
Voltage: -80.0 mV
Cav2.2 Rn Gating inhibitor Antagonist 6.3 pEC50 - 2
pEC50 6.3 [2]
Voltage: -80.0 mV
Cav3.1 Rn Gating inhibitor Antagonist 7.3 – 7.8 pIC50 - 1-2
pIC50 7.3 – 7.8 (IC50 5.01x10-8 – 1.58x10-8 M) [1-2]
Voltage: -90.0 mV
Cav3.2 Rn Gating inhibitor Antagonist 7.3 – 7.6 pIC50 - 1-2
pIC50 7.3 – 7.6 (IC50 5.01x10-8 – 2.51x10-8 M) [1-2]
Voltage: -90.0 mV