title: Viral integration and excision: structure of the lambda att sites.
mesh_terms: D001483:Base Sequence; D002874:Chromosome Mapping; D003090:Coliphages / Q000032:analysis*; D003434:Crossing Over, Genetic; D004262:DNA Restriction Enzymes; D004269:DNA, Bacterial / Q000032:analysis* / Q000378:metabolism; D004279:DNA, Viral / Q000032:analysis* / Q000378:metabolism; D004926:Escherichia coli; D008242:Lysogeny; D011995:Recombination, Genetic
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D004262:DNA Restriction Enzymes