title: A new simple preparation method for NaK-ATPase-rich membrane fragments.
mesh_terms: D000818:Animals; D002499:Centrifugation, Density Gradient; D004557:Electric Organ / Q000201:enzymology*; D004593:Electrophorus; D007425:Intracellular Membranes / Q000201:enzymology; D008861:Microsomes / Q000201:enzymology; D000254:Sodium-Potassium-Exchanging ATPase / Q000302:isolation & purification*
chemical_list: D000254:Sodium-Potassium-Exchanging ATPase