title: An enzyme system requiring magnesium, calcium and potassium ions.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism*; D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002462:Cell Membrane / Q000201:enzymology; D008274:Magnesium / Q000378:metabolism*; D009132:Muscles / Q000201:enzymology*; D011188:Potassium / Q000378:metabolism*; D011817:Rabbits
chemical_list: D000251:Adenosine Triphosphatases; D008274:Magnesium; D011188:Potassium; D002118:Calcium