Analysis of ATP and AMP binding to a DNA aptamer and its imidazole-tethered derivatives by surface plasmon resonance

被引：9
|
作者：
Zhao, Jing [1 ]
Katsube, Satoshi [2 ]
Yamamoto, Junpei [2 ]
Yamasaki, Kazuhiko [1 ]
Miyagishi, Makoto [1 ]
Iwai, Shigenori [2 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Biomed Res Inst, Tsukuba, Ibaraki 3058566, Japan
[2] Osaka Univ, Grad Sch Engn Sci, Div Chem, Toyonaka, Osaka 5608531, Japan
来源：
ANALYST | 2015年 / 140卷 / 17期
关键词：
ULTRASENSITIVE DETECTION; IN-VITRO; MOLECULES; ADENOSINE; SELECTION; LIGANDS; ENZYME; STABILIZATION; INTERLEUKIN-6; APTASENSOR;
D O I：
10.1039/c5an01347j
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Imidazole was tethered to the C5 position of thymine in an ATP-binding DNA aptamer with two types of linkers, and the affinities of each aptamer for ATP and AMP were determined by surface plasmon resonance measurements. The imidazole-tethered aptamers exhibited higher affinity for ATP, almost independently of the linker structure or the modification site.
引用
收藏
页码：5881 / 5884
页数：4
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