Structural basis for proton inhibition of the two-pore domain K+ channel TASK-1
Trevor A. Docter, Nicolas Sammy Lee, Michelle Reid, Stephen Graf Brohawn
This study determines the cryo-EM structure of TASK-1 at low pH and shows how protonation of an extracellular histidine leads to channel closure, with mutations affecting proton sensitivity.
Structure · Jun 2, 2026Peer-reviewedBiophysics