Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
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Noncovalent Assembly of TEMPO Radicals Pair-wise Embedded on a DNA Duplex
Hiroshi AtsumiKensuke MaekawaShigeaki NakazawaDaisuke ShiomiKazunobu SatoMasahiro KitagawaTakeji TakuiKazuhiko Nakatani
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JOURNAL OPEN ACCESS

2010 Volume 39 Issue 6 Pages 556-557

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Abstract

We have synthesized and characterized a new G–G mismatch binding ligand containing a TEMPO radical. The two mismatch binding ligands cooperatively bound to the CGG/CGG triad and an apparent binding constant was in the order of 105 M−1. The tumbling of the ligand on a DNA duplex was ten times slower than that of the unbound ligand. Asymmetric addressability of two TEMPO radicals on DNA is shown.

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© 2010 The Chemical Society of Japan
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