title: A DNA operator-repressor system.
mesh_terms: D003090:Coliphages / Q000378:metabolism*; D004279:DNA, Viral / Q000378:metabolism*; D003852:Deoxyribonucleoproteins / Q000378:metabolism; D005796:Genes; D005809:Genes, Regulator; D008954:Models, Biological; D014764:Viral Proteins / Q000378:metabolism
chemical_list: D004279:DNA, Viral; D003852:Deoxyribonucleoproteins; D014764:Viral Proteins