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Published December 29, 1993 | Supplemental Material
Journal Article Open

Enantiospecific palindromic recognition of 5'-d(CTCTAGAG)-3' by a novel rhodium intercalator: analogies to a DNA-binding protein


We are exploring principles of protein-DNA recognition through the design of model 9,10-phenanthrenequinonediimine (phi) complexes of rhodium(II1) which bind site-selectively to DNA. [Rh(phi)]^(3+) complexes intercalate in the DNA major groove through the phi ligand and upon photoactivation promote strand scission via abstraction of the deoxyribose C3'-H atom. Here we report on the metal complex [Rh(DPB)_2phi]^(3+) (DPB = 4,4'-diphenyl-2,2'-bipyridyl) (Figure 1 ), which mimics DNA-binding proteins in DNA site-specificity and affinity.

Additional Information

© 1993 American Chemical Society. Received July 2, 1993. Revised Manuscript Received November 6, 1993. We are grateful to the NIH (GM33309) for their financial support and to the NSF for a postdoctoral fellowship (C. M.D.).

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Supplemental Material - ja00079a050_si_001.pdf

Supplemental Material - ja12589.pdf


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