ATPases 1 Alpha-beta Association reactions 1 Beta subunit 1 Catalytic subunits 1 Dimers 1 Electrophysiology 1 Fluorescence imaging 1 Fluorescence lifetime imaging microscopy 1 Ion gradients 1 Live cell 1 Molecular dynamics 1 Physiological functions 1 Proteins 1 Regulatory complexes 1 Sodium 1 Sodium/potassium-ATPase 1 Stoichiometry 1