Binding affinities of synthetic peptides, pyridine-2-carboxamidonetropsin and 1-methylimidazole-2-carboxamidonetropsin, that form 2:1 complexes in the minor groove of double-helical DNA

The designed peptides pyridine-2-carboxamidonetropsin (2-PyN) and 1-methylimidazole-2-carboxamidonetropsin (2-ImN) are crescent-shaped analogs of the natural products netropsin and distamycin A. 2-PyN and 2-ImN bind the 5'-TGTCA-3' sequence as antiparallel side-by-side dimers in the minor...

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