title: Complete separation of proteins and nucleic acids from chromatins by an isopycnic centriguation step.
mesh_terms: D002499:Centrifugation, Density Gradient / Q000379:methods; D002843:Chromatin / Q000032:analysis*; D004247:DNA / Q000302:isolation & purification*; D009698:Nucleoproteins / Q000302:isolation & purification*
chemical_list: D002843:Chromatin; D009698:Nucleoproteins; D004247:DNA