title: Chromatin structure; oligomers of the histones.
mesh_terms: D000645:Ammonium Sulfate; D000818:Animals; D002417:Cattle; D011232:Chemical Precipitation; D002843:Chromatin / Q000032:analysis*; D002850:Chromatography, Gel; D004591:Electrophoresis, Polyacrylamide Gel; D006657:Histones; D008970:Molecular Weight; D011487:Protein Conformation; D013950:Thymus Gland / Q000032:analysis; D014961:X-Ray Diffraction
chemical_list: D002843:Chromatin; D006657:Histones; D000645:Ammonium Sulfate