title: Does ATP cause relaxation by binding to actin or its regulatory proteins?
mesh_terms: D000199:Actins / Q000378:metabolism*; D000251:Adenosine Triphosphatases; D000255:Adenosine Triphosphate / Q000378:metabolism*; D001665:Binding Sites; D002118:Calcium; D002132:Calcium Radioisotopes; D046911:Macromolecular Substances; D008274:Magnesium; D009124:Muscle Proteins / Q000378:metabolism*; D011485:Protein Binding; D014335:Tropomyosin / Q000378:metabolism*
chemical_list: D000199:Actins; D002132:Calcium Radioisotopes; D046911:Macromolecular Substances; D009124:Muscle Proteins; D014335:Tropomyosin; D000255:Adenosine Triphosphate; D000251:Adenosine Triphosphatases; D008274:Magnesium; D002118:Calcium