title: Purification and properties of coliphage 21 repressor.
mesh_terms: D001426:Bacterial Proteins / Q000302:isolation & purification / Q000502:physiology; D003090:Coliphages / Q000502:physiology*; D004279:DNA, Viral / Q000378:metabolism; D004926:Escherichia coli / Q000502:physiology*; D007700:Kinetics; D008242:Lysogeny; D008274:Magnesium / Q000494:pharmacology; D011485:Protein Binding; D014779:Virus Replication
chemical_list: D001426:Bacterial Proteins; D004279:DNA, Viral; D008274:Magnesium