title: Potassium ions asymmetrically activate erythrocyte membrane phosphatase.
abstract: In Reconstituted ghosts of human red cells, the cell membrane phosphatase is activated by external, but not by internal, potassium. This finding is consistent with the possible participation of the membrane system responsible for cation transport.
mesh_terms: D002462:Cell Membrane / Q000201:enzymology*; D002463:Cell Membrane Permeability; D004579:Electron Transport; D004789:Enzyme Activation; D004912:Erythrocytes / Q000201:enzymology*; D010042:Ouabain / Q000494:pharmacology; D010744:Phosphoric Monoester Hydrolases / Q000378:metabolism*; D011188:Potassium / Q000494:pharmacology*; D012964:Sodium / Q000494:pharmacology
chemical_list: D010042:Ouabain; D012964:Sodium; D010744:Phosphoric Monoester Hydrolases; D011188:Potassium