Structural Transition from Closed to Open for the Influenza A M2 Proton Channel as Observed by Proton-Detected Solid-State NMR - Swantje Mohr; Caspar Schattenberg; Tillmann Utesch; Henry Sawczyc; Veniamin Chevelkov; Sascha Lange; Jacek Kozuch; Han Sun; Adam Lange (Journal of the American Chemical Society, 2025)