Making potassium run uphill.
D002462:Cell Membrane / Q000201:enzymology*; D006801:Humans; D011188:Potassium / Q000502:physiology*; D000254:Sodium-Potassium-Exchanging ATPase / Q000378:metabolism*
D000254:Sodium-Potassium-Exchanging ATPase; D011188:Potassium