title: (Mg2+ + K+)-dependent inhibition of NaK-ATPase due to a contaminant in equine muscle ATP.
mesh_terms: D000251:Adenosine Triphosphatases / Q000037:antagonists & inhibitors / Q000097:blood*; D000255:Adenosine Triphosphate / Q000302:isolation & purification; D000818:Animals; D004789:Enzyme Activation; D004910:Erythrocyte Membrane / Q000201:enzymology*; D004912:Erythrocytes / Q000201:enzymology*; D006736:Horses; D006801:Humans; D007545:Isoproterenol / Q000494:pharmacology; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology*; D009124:Muscle Proteins / Q000302:isolation & purification / Q000494:pharmacology*; D009132:Muscles; D011188:Potassium / Q000378:metabolism / Q000494:pharmacology*; D012964:Sodium / Q000378:metabolism
chemical_list: D009124:Muscle Proteins; D000255:Adenosine Triphosphate; D012964:Sodium; D000251:Adenosine Triphosphatases; D008274:Magnesium; D007545:Isoproterenol; D011188:Potassium