title: Mechanisms of contraction and the specialized protein components of smooth muscle.
mesh_terms: D000199:Actins / Q000502:physiology; D000818:Animals; D002118:Calcium / Q000502:physiology; D002147:Calmodulin / Q000502:physiology; D009119:Muscle Contraction; D009124:Muscle Proteins / Q000502:physiology*; D009130:Muscle, Smooth / Q000502:physiology* / Q000648:ultrastructure; D009210:Myofibrils / Q000648:ultrastructure; D009218:Myosins / Q000378:metabolism / Q000502:physiology; D010766:Phosphorylation; D014336:Troponin / Q000502:physiology
chemical_list: D000199:Actins; D002147:Calmodulin; D009124:Muscle Proteins; D014336:Troponin; D009218:Myosins; D002118:Calcium