The role of Mg2+ in the contraction and adenosine triphosphatase activity of myofibrils.
D000251:Adenosine Triphosphatases / Q000378:metabolism*; D002118:Calcium / Q000494:pharmacology; D004798:Enzymes / Q000494:pharmacology; D066298:In Vitro Techniques; D008274:Magnesium / Q000494:pharmacology*; D009119:Muscle Contraction; D009210:Myofibrils / Q000201:enzymology*
D004798:Enzymes; D000251:Adenosine Triphosphatases; D008274:Magnesium; D002118:Calcium