title: Regulation of muscle contraction by Ca ion.
mesh_terms: D000199:Actins / Q000378:metabolism; D000251:Adenosine Triphosphatases / Q000378:metabolism; D000255:Adenosine Triphosphate / Q000378:metabolism / Q000494:pharmacology; D000818:Animals; D017301:Ca(2+) Mg(2+)-ATPase; D002118:Calcium / Q000378:metabolism* / Q000494:pharmacology; D000252:Calcium-Transporting ATPases / Q000378:metabolism; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000378:metabolism; D009218:Myosins / Q000378:metabolism; D014335:Tropomyosin / Q000378:metabolism; D014336:Troponin / Q000378:metabolism
chemical_list: D000199:Actins; D014335:Tropomyosin; D014336:Troponin; D000255:Adenosine Triphosphate; D000251:Adenosine Triphosphatases; D017301:Ca(2+) Mg(2+)-ATPase; D009218:Myosins; D000252:Calcium-Transporting ATPases; D008274:Magnesium; D002118:Calcium