title: The relaxing protein system and the regulation of the myofibrillar adenosine triphosphatase.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism*; D001665:Binding Sites; D002118:Calcium; D008970:Molecular Weight; D009124:Muscle Proteins / Q000302:isolation & purification / Q000378:metabolism*; D009210:Myofibrils / Q000201:enzymology*; D014335:Tropomyosin / Q000302:isolation & purification
chemical_list: D009124:Muscle Proteins; D014335:Tropomyosin; D000251:Adenosine Triphosphatases; D002118:Calcium