MercuryII-mediated formation of thymine-HgII-thymine base pairs in DNA duplexes

被引:965
作者
Miyake, Y
Togashi, H
Tashiro, M
Yamaguchi, H
Oda, S
Kudo, M
Tanaka, Y
Kondo, Y
Sawa, R
Fujimoto, T
Machinami, T
Ono, A
机构
[1] Tokyo Metropolitan Univ, Grad Sch Sci, Dept Chem, Tokyo 1920397, Japan
[2] Iwaki Meisei Univ, Coll Sci & Technol, Dept Chem, Hino, Tokyo 1918506, Japan
[3] Tohoku Univ, Sendai, Miyagi 9808578, Japan
[4] Microbial Chem Res Ctr, Tokyo 1410021, Japan
[5] Kanagawa Univ, Fac Engn, Dept Appl Chem, Kanagawa Ku, Kanagawa 2218686, Japan
关键词
D O I
10.1021/ja056354d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The very specific binding of the HgII ion unexpectedly and significantly stabilizes naturally occurring thymine-thymine base mispairing in DNA duplexes. Following this finding, we prepared DNA duplexes containing metal-mediated base pairs at the desired sites, as well as novel double helical architectures consisting only of thymine-HgII-thymine pairs. Copyright © 2006 American Chemical Society.
引用
收藏
页码:2172 / 2173
页数:2
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