Preparation and properties of oligodeoxynucleotides containing 5-iodouracil and 5-bromo- and 5-iodocytosine

被引:21
作者
Ferrer, E
Wiersma, M
Kazimierczak, B
Muller, CW
Eritja, R
机构
[1] EUROPEAN MOL BIOL LAB,D-69117 HEIDELBERG,GERMANY
[2] ILL GRENOBLE,GRENOBLE OUTSTN,EUROPEAN MOL BIOL LAB,F-38042 GRENOBLE 9,FRANCE
关键词
D O I
10.1021/bc970042l
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The behavior of oligonucleotides containing 5-iodouracil, 5-bromocytidine, and 5-iodocytidine in concentrated ammonia is described. 5-Aminouracil and 5-aminocytidine are obtained as side products when deprotection is performed at 60 degrees C. Small amounts, if any, of side products are obtained when ammonia deprotection is performed at room temperature. The base-pairing properties of these 5-halopyrimidines including triple helix are described.
引用
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页码:757 / 761
页数:5
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