title: Isolation of an RNA polymearse-DNA complex by CsCl equilibrium centrifugation.
mesh_terms: D001665:Binding Sites; D002499:Centrifugation, Density Gradient; D002586:Cesium; D004247:DNA / Q000302:isolation & purification*; D004589:Electrophoresis, Disc; D004926:Escherichia coli; D008722:Methods; D012313:RNA / Q000096:biosynthesis; D012316:RNA Nucleotidyltransferases / Q000302:isolation & purification*; D013696:Temperature
chemical_list: D002586:Cesium; D012313:RNA; D004247:DNA; D012316:RNA Nucleotidyltransferases