title: Muscle contraction. Are two heads better than one?
mesh_terms: D000199:Actins / Q000502:physiology; D000251:Adenosine Triphosphatases / Q000378:metabolism; D000818:Animals; D008854:Microscopy, Electron; D008958:Models, Molecular; D009068:Movement; D009119:Muscle Contraction; D015879:Myosin Subfragments / Q000502:physiology; D009218:Myosins / Q000502:physiology; D013211:Staphylococcus aureus
chemical_list: D000199:Actins; D015879:Myosin Subfragments; D000251:Adenosine Triphosphatases; D009218:Myosins