title: Superhelical Escherichia coli DNA: relaxation by coumermycin.
mesh_terms: D049933:Aminocoumarins; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002498:Centrifugation; D002876:Chromosomes, Bacterial / Q000187:drug effects; D003374:Coumarins / Q000494:pharmacology*; D004269:DNA, Bacterial / Q000032:analysis / Q000037:antagonists & inhibitors / Q000096:biosynthesis; D004278:DNA, Superhelical / Q000032:analysis / Q000037:antagonists & inhibitors / Q000096:biosynthesis; D004926:Escherichia coli; D009154:Mutation; D011758:Pyrroles / Q000494:pharmacology
chemical_list: D049933:Aminocoumarins; D000900:Anti-Bacterial Agents; D003374:Coumarins; D004269:DNA, Bacterial; D004278:DNA, Superhelical; D011758:Pyrroles; C004628:coumermycin