Backbone amides are key determinants of Cl- selectivity in CLC ion channels
L. Leisle, K. Lam, S. Dehghanighahnaviyeh, E. Fortea, J. D. Galpin, C. A. Ahern, E. Tajkhorshid, A. Accardi
The paper shows that backbone amides in CLC channels are critical for Cl- selectivity, as replacing them with ester groups reduces ion discrimination.
bioRxiv · Jul 1, 2022 · PreprintBiophysics