The role of calcium in the adensine triphosphatase activity of myofibrils and in the mechanism of the relaxing factor system of muscle.
D000251:Adenosine Triphosphatases / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism*; D009132:Muscles / Q000378:metabolism* / Q000502:physiology*; D009210:Myofibrils
D000251:Adenosine Triphosphatases; D002118:Calcium
ADENYLPYROPHOSPHATASE/metabolism; CALCIUM/metabolism; MUSCLES/metabolism; MUSCLES/physiology