title: Isolation of a DNA-nicking enzyme from phage lambda-Ci-infected Escherichia coli.
mesh_terms: D001412:Bacillus subtilis; D001681:Biological Assay; D002499:Centrifugation, Density Gradient; D002848:Chromatography, DEAE-Cellulose; D003090:Coliphages / Q000201:enzymology*; D004269:DNA, Bacterial; D003851:Deoxyribonucleases / Q000302:isolation & purification*; D008025:Ligases
chemical_list: D004269:DNA, Bacterial; D003851:Deoxyribonucleases; D008025:Ligases