Nuclear Overhauser data and stereochemical considerations suggest that netropsin binds symmetrically within the minor groove of poly(dA).poly(dT), forming hydrogen bonds with both strands of the double helix.


Sarma et al. (J. Biomol. Str. and Dynam. 2, 1085 (1985) have proposed, on the basis of nuclear magnetic resonance experiments on the complex of netropsin with poly(dA).poly(dT), that the drug molecule lies asymmetrically along the dA side of the minor groove and makes hydrogen bonds only with the dA strand. If the crystal structure analyses of B-DNA… (More)


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