title: Restriction endonuclease B and f1 heteroduplex DNA.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages; D004270:DNA, Circular / Q000378:metabolism; D004277:DNA, Single-Stranded / Q000378:metabolism; D004279:DNA, Viral / Q000032:analysis / Q000096:biosynthesis / Q000378:metabolism*; D004720:Endonucleases / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology*; D006868:Hydrolysis; D009154:Mutation; D009693:Nucleic Acid Hybridization; D010759:Phosphorus Isotopes; D014316:Tritium
chemical_list: D004270:DNA, Circular; D004277:DNA, Single-Stranded; D004279:DNA, Viral; D010759:Phosphorus Isotopes; D014316:Tritium; D004720:Endonucleases