Partial alteration of secondary structure in native superhelical DNA.
D001435:Bacteriophages; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003090:Coliphages; D004279:DNA, Viral; D005557:Formaldehyde; D006358:Hot Temperature; D007700:Kinetics; D009691:Nucleic Acid Denaturation; D013053:Spectrophotometry; D014461:Ultracentrifugation
D004279:DNA, Viral; D005557:Formaldehyde