Structure of the ILT Mutant Shaker K+ Channel and the Mechanism of Voltage Activation
Richa Agrawal, Ramon Mendoza Uriarte, Bernardo I. Pinto, Trayder Thomas, Lydia Blachowicz, Young Hoon Koh, Francisco Bezanilla, Eduardo Perozo, Benoı̂t Roux
The paper determines the cryo-EM structure of a Shaker K+ channel mutant and shows that voltage sensing domain activation induces a dynamic shift in the linker population equilibrium rather than directly pulling the gate open.
bioRxiv · Nov 13, 2025 · PreprintBiophysics