<Tr> <Th> PubMed </Th> <Td> articles </Td> </Tr> <Tr> <Th> NCBI </Th> <Td> proteins </Td> </Tr> <P> Na + / K + - ATPase (sodium - potassium adenosine triphosphatase, also known as the Na + / K + pump or sodium--potassium pump) is an enzyme (EC 3.6. 3.9) (an electrogenic transmembrane ATPase) found in the plasma membrane of all animal cells . The Na + / K + - ATPase enzyme is a solute pump that pumps sodium out of cells while pumping potassium into cells, both against their concentration gradients . This pumping is active (i.e. it uses energy from ATP) and is important for cell physiology . An example application is nerve conduction . </P> <P> It has antiporter - like activity, but since it moves both molecules against their concentration gradients it is not a true antiporter, which would require one solute to move with its gradient, not against it . </P>

Role of na/k pump in action potential
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