title: Molecular organization of Limulus thick filaments.
mesh_terms: D000818:Animals; D006737:Horseshoe Crabs / Q000033:anatomy & histology*; D009132:Muscles / Q000033:anatomy & histology*; D014335:Tropomyosin / Q000032:analysis; D014961:X-Ray Diffraction
chemical_list: D014335:Tropomyosin