title: A mutation of T4B phage, which enhances suppression of ligase mutants with rII mutations.
mesh_terms: D003090:Coliphages / Q000201:enzymology; D003433:Crosses, Genetic; D004720:Endonucleases / Q000096:biosynthesis; D004926:Escherichia coli / Q000201:enzymology*; D008025:Ligases / Q000096:biosynthesis*; D008242:Lysogeny; D009154:Mutation; D011995:Recombination, Genetic; D013489:Suppression, Genetic
chemical_list: D004720:Endonucleases; D008025:Ligases