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Control of electron transfer in DNA by peptide nucleic acids (PNA)
Department of Synthetic Chemistry and Biological Chemistry, Faculty of Engineering, Kyoto University, Kyoto 606-8501, Japan and CREST, Japan Science and Technology Corporation, Japan
The one-electron oxidation of PNA-DNA hybrid containing G-triplet sequence was examined. In DNA duplex G-triplet was selectively cleaved by oxidation, whereas in PNA-DNA hybrid cleavage efficiency was extremely lowered. These result suggested that cleavage efficiency of PNA-DNA hybrid was different from that of B-form DNA duplex.
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A. Sen and P. E. Nielsen On the stability of peptide nucleic acid duplexes in the presence of organic solvents Nucleic Acids Res., May 11, 2007; 35(10): 3367 - 3374. [Abstract] [Full Text] [PDF] |
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