Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 12, Issue 2, Pages 122-124Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2008.11.020
Keywords
Mismatched DNA; Cobalt complex; Intercalation; NMR
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Funding
- National Natural Science Foundation of China [20601018]
- Shanxi Provincial Natural Science Foundation for Youth
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The binding of the complex [Co(phen)(2)(DPQ)]Cl-3 to the decanucleotide d(CCGAATGAGG)(2) containing two pairs of sheared G:A mispairs was studied by 2D-NMR. There appear many H-1 NOE cross-peaks from the complex to the oligonucleortide. The results indicate that the complex, with DPQ, intercalates into the oligonucleotide via its terminal base pairs from the minor groove, which further proved our previous conclusion. (C) 2008 Elsevier B.V. All rights reserved.
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