Abstract

Formation of a triple helix between an oligodeoxyribonucleotide contg. 8-oxo-2'-deoxyadenosine and a DNA duplex target was studied as a function of pH. Above pH 7.4, the triple helix with the 8-oxo-2'-deoxyadenosine was more stable than the complex with an analogous oligodeoxyribonucleotide contg. deoxycytidine instead of 8-oxo-2'-deoxyadenosine.

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