title: Biochemical approaches to chromatin assembly.
mesh_terms: D002499:Centrifugation, Density Gradient; D002843:Chromatin / Q000032:analysis / Q000096:biosynthesis*; D004247:DNA / Q000032:analysis; D006657:Histones / Q000032:analysis; D007553:Isotope Labeling
chemical_list: D002843:Chromatin; D006657:Histones; D004247:DNA