title: DNA tertiary structure of disk-shaped toruses: an in vitro viral DNA model system.
authors.forename: K A
authors.initials: KA
authors.lastname: Marx
authors.forename: G C
authors.initials: GC
authors.lastname: Ruben
mesh_terms: D010584:Bacteriophage phi X 174; D004279:DNA, Viral; D005613:Freeze Etching; D046911:Macromolecular Substances; D008854:Microscopy, Electron; D009690:Nucleic Acid Conformation; D013095:Spermidine
chemical_list: D004279:DNA, Viral; D046911:Macromolecular Substances; D013095:Spermidine