title: Structural changes in thin filaments of crab striated muscle.
mesh_terms: D000199:Actins; D000818:Animals; D003386:Brachyura / Q000648:ultrastructure*; D009119:Muscle Contraction; D009132:Muscles / Q000648:ultrastructure*; D014336:Troponin; D014961:X-Ray Diffraction
chemical_list: D000199:Actins; D014336:Troponin