Pore-modulating toxins exploit inherent slow inactivation to block K+ channels
I. Karbat, H. Altman-Gueta, S. Fine, T. Szanto, S. Hamer-Rogotner, O. Dym, F. Frolow, D. Gordon, G. Panyi, M. Gurevitz, E. Reuveny
The paper shows that the toxin Cs1 blocks K+ channels by modulating pore structure through hydrogen bond disruption, leading to asymmetric pore collapse.
bioRxiv · Mar 13, 2019Pharmacology & Toxicology