title: Gene N regulator function of phage lambda immun21: evidence that a site of N action differs from a site of N recognition.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages / Q000201:enzymology; D004790:Enzyme Induction; D005092:Exonucleases / Q000032:analysis; D005796:Genes; D005809:Genes, Regulator; D005827:Genetics, Microbial; D006824:Hybridization, Genetic; D007109:Immunity; D008242:Lysogeny; D008967:Molecular Biology; D009154:Mutation; D010641:Phenotype; D011995:Recombination, Genetic; D012641:Selection, Genetic
chemical_list: D005092:Exonucleases