title: Organization of DNA and proteins in mammalian chromosomes.
mesh_terms: D001665:Binding Sites; D002455:Cell Division; D002499:Centrifugation, Density Gradient; D002843:Chromatin; D002875:Chromosomes; D004247:DNA; D004591:Electrophoresis, Polyacrylamide Gel; D006657:Histones; D006863:Hydrogen-Ion Concentration; D008954:Models, Biological; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D009698:Nucleoproteins; D011485:Protein Binding; D011487:Protein Conformation; D014316:Tritium; D014508:Urea
chemical_list: D002843:Chromatin; D006657:Histones; D009698:Nucleoproteins; D014316:Tritium; D014508:Urea; D004247:DNA