title: Structure of simian virus 40. IV. The polypeptide chains of the virus particle.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D002499:Centrifugation, Density Gradient; D002852:Chromatography, Ion Exchange; D004279:DNA, Viral / Q000032:analysis; D008970:Molecular Weight; D010455:Peptides / Q000032:analysis*; D013539:Simian virus 40 / Q000032:analysis*
chemical_list: D000596:Amino Acids; D004279:DNA, Viral; D010455:Peptides