title: In vitro repair of single-strand breaks in  -irradiated DNA by polynucleotide ligase.
mesh_terms: D000135:Acid Phosphatase; D000469:Alkaline Phosphatase; D002474:Cell-Free System; D003036:Cobalt Isotopes; D004247:DNA / Q000032:analysis / Q000528:radiation effects*; D004260:DNA Repair; D004277:DNA, Single-Stranded / Q000528:radiation effects; D003851:Deoxyribonucleases; D004926:Escherichia coli / Q000201:enzymology; D008025:Ligases; D008722:Methods; D009243:NAD; D010759:Phosphorus Isotopes; D010770:Phosphotransferases; D011119:Polynucleotides; D011830:Radiation Effects; D014461:Ultracentrifugation
chemical_list: D003036:Cobalt Isotopes; D004277:DNA, Single-Stranded; D010759:Phosphorus Isotopes; D011119:Polynucleotides; D009243:NAD; D004247:DNA; D010770:Phosphotransferases; D003851:Deoxyribonucleases; D000469:Alkaline Phosphatase; D000135:Acid Phosphatase; D008025:Ligases