Loading the page.
Proteins/UNIPROT:P54709
This is the non-catalytic component of the active enzyme, which catalyzes the hydrolysis of ATP coupled with the exchange of Na(+) and K(+) ions across the plasma membrane. The exact function of the beta-3 subunit is not known.
Function from UniProtKB (P54709), read 2026-09-23. CC BY 4.0.
Curated compounds routed: 0
28 statements
28 statements · 5 reference databases · Subject: ATP1B3 · Sources: gene ontology, Hetionet, Human-GEM, Reactome, WikiPathways
1 reaction
ATP+water+2potassium atom+3sodium(1+)ADP+proton+2potassium atom+3sodium(1+)+phosphate(3-)
Transported by ATP1A1 & FXYD2 & ATP1B4 or ATP1B2 & ATP1A2 & FXYD2 or ATP1A2 & ATP1B3 &
3 names
Resolves to: ATP1B3
Reaction pageLeft to rightBalancedcytosol, extracellular space
Human-GEM MAR05429CC BY 4.0Reference data