Selective enhancement of the one-electron oxidation of guanine by base pairing with cytosine

被引：0
|
作者：
Kawai, K [1 ]
Wata, Y [1 ]
Ichinose, N [1 ]
Majima, T [1 ]
机构：
[1] Osaka Univ, Inst Sci & Ind Res, SANKEN, Ibaraki, Osaka 5670047, Japan
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2000年 / 39卷 / 23期
关键词：
D O I：
10.1002/1521-3773(20001201)39:23<4327::AID-ANIE4327>3.0.CO;2-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The oxidation potential of guanine is lowered by 100 mV on selective hydrogen bonding to a cytosine residue. This has been established by examining the effects of the base pairing of guanine to other nucleosides on the rate constant of the electron transfer from guanine to the excited electron acceptor molecule N,N'-dibutylnaphthaladiimide (NDI, see scheme). An enhancement of the electron transfer was observed selectively for the G:C pair.
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页码：4327 / +
页数：4
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