title: Helical viruses.
mesh_terms: D001435:Bacteriophages / Q000648:ultrastructure*; D004279:DNA, Viral; D011485:Protein Binding; D014027:Tobacco Mosaic Virus / Q000648:ultrastructure*; D014764:Viral Proteins
chemical_list: D004279:DNA, Viral; D014764:Viral Proteins