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Release of 7-methyIguanine residues whose imidazole rings have been opened from damaged DNA by a DNA glycosylase from Escherichia coli
(Oxford University Press, 1979-05)
Double-stranded DNA containing 7-methylguanine residues whose imidazole rings have been opened, i.e. 2, 6-diamino-4-hydroxy-5—N-methylformamidopyrimidine residues, may be prepared by treatment of DNA with dimethyl sulphate ...