µ-Conotoxin-CnIIIC acetate, a 22-residue conopeptide, is a potent antagonist of the voltage-gated NaV1.4 sodium channel with an IC50 of 1.3 nM acting at the neuromuscular junction. µ-Conotoxin-CnIIIC acetate has myorelaxant and analgesic effects.
References:
[1]. Del Río-Sancho S, et al. Cutaneous iontophoresis of μ-conotoxin CnIIIC-A potent NaV1.4 antagonist with analgesic, anaesthetic and myorelaxant properties. Int J Pharm. 2017 Feb 25;518(1-2):59-65.
















