title: Assembly in biological systems.
mesh_terms: D003090:Coliphages; D006863:Hydrogen-Ion Concentration; D046911:Macromolecular Substances; D008970:Molecular Weight; D009994:Osmolar Concentration; D011506:Proteins; D014027:Tobacco Mosaic Virus; D014764:Viral Proteins
chemical_list: D046911:Macromolecular Substances; D011506:Proteins; D014764:Viral Proteins