DNA and nitrous acid.
D001665:Binding Sites; D003090:Coliphages; D004279:DNA, Viral; D008741:Methyl Methanesulfonate; D009573:Nitrites; D009608:Nitrous Acid; D009690:Nucleic Acid Conformation; D009691:Nucleic Acid Denaturation
D004279:DNA, Viral; D009573:Nitrites; D008741:Methyl Methanesulfonate; D009608:Nitrous Acid