Footprinting studies on ligands which stabilize DNA triplexes: effects on stringency within a parallel triple helix.


We have examined the effect of four triplex-binding ligands on the interaction of the oligodeoxynucleotides T8NT8 (N = A, G, C, T) with DNA fragments containing the sequences A8XA8.T8YT8 (X = G, C, T; Y = C, G, A) by DNase I footprinting. The ligands form a series of quinoline derivatives with an alkylamine chain in the 4-position and different aryl… (More)


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