title: Ligation of nicked SV40 dna in a polyethylene glycol-condensed state as a test for net coiling.
mesh_terms: D011088:DNA Ligases / Q000378:metabolism*; D004279:DNA, Viral; D004926:Escherichia coli / Q000201:enzymology; D009690:Nucleic Acid Conformation; D011092:Polyethylene Glycols; D011118:Polynucleotide Ligases / Q000378:metabolism*; D013539:Simian virus 40
chemical_list: D004279:DNA, Viral; D011092:Polyethylene Glycols; D011088:DNA Ligases; D011118:Polynucleotide Ligases