title: A mutant of Escherichia coli K12 deficient in the 5'-3' exonucleolytic activity of DNA polymerase I. II. Purification and properties of the mutant enzyme.
mesh_terms: D003090:Coliphages; D004247:DNA; D004254:DNA Nucleotidyltransferases / Q000302:isolation & purification*; D004279:DNA, Viral; D004926:Escherichia coli / Q000201:enzymology*; D009154:Mutation; D013950:Thymus Gland
chemical_list: D004279:DNA, Viral; D004247:DNA; D004254:DNA Nucleotidyltransferases