The object of the present invention is to provide a nucleoside or nucleotide having a 5-substituted-2-oxo(1H)pyridin-3-yl group as a base, as well as a method using the same.
In one embodiment, the nucleoside or nucleotide of the present invention has a fluorescent dye selected from the group consisting of 5-FAM, 6-FAM, 5-TAMRA, 6-TAMRA, DANSYL, 5-HEX, 6-HEX, 5-TET, 6-TET, 5-ROX and 6-ROX or a quencher dye selected from the group consisting of DABCYL. BHQ1 and BHQ2, which is attached either directly or through a linker to the 5-position of the above base.
本发明的目的是提供一种以5-取代-2-氧代(1H)
吡啶-3-基团为碱基的核苷或核苷酸,以及使用这种核苷或核苷酸的方法。
在一个实施方案中,本发明的核苷或核苷酸具有选自
5-FAM、
6-FAM、5-TAMRA、6-TAMRA、
DANSYL、5-HEX、6-HEX、5-TET、6-TET、5-ROX 和 6-ROX 组成的组的荧光
染料或选自
DABCYL.BHQ1 和 BHQ2,它们直接或通过连接体连接到上述碱基的 5 位。