μ-conotoxin SmIIIA   Click here for help

GtoPdb Ligand ID: 7567

Comment: Conotoxin from Conus stercusmuscarum (Fly-specked cone).
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Selectivity at ion channels
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
Nav1.2 Rn Channel blocker Pore blocker 8.9 pKd - 1
pKd 8.9 [1]
Voltage: -80.0 mV
Nav1.1 Rn Channel blocker Pore blocker 8.4 pKi - 1
pKi 8.4 [1]
Voltage: -80.0 mV
Description: Two-microelectrode voltage clamp on rat Nav1.1 in Xenopus oocytes
Nav1.5 Rn Channel blocker Pore blocker 5.5 pKi - 1
pKi 5.5 [1]
Voltage: -80.0 mV
Description: Two-microelectrode of Xenopus oocytes expression rat Nav1.5.
Conditions: Holding potential of -80mV