title: Structural basis of contraction in vertebrate smooth muscle.
mesh_terms: D000199:Actins; D000818:Animals; D006168:Guinea Pigs; D008297:Male; D008854:Microscopy, Electron; D008954:Models, Biological; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000166:cytology / Q000502:physiology*; D009218:Myosins; D013194:Staining and Labeling; D014961:X-Ray Diffraction
chemical_list: D000199:Actins; D009218:Myosins