title: Two actions of bleomycin on superhelical DNA.
mesh_terms: D001761:Bleomycin; D055598:Chemical Phenomena; D002621:Chemistry; D003090:Coliphages; D004278:DNA, Superhelical; D004279:DNA, Viral; D004229:Dithiothreitol; D008970:Molecular Weight
chemical_list: D004278:DNA, Superhelical; D004279:DNA, Viral; D001761:Bleomycin; D004229:Dithiothreitol