Fluorescent nucleobase conjugates having anionic linkers
    4.
    发明授权
    Fluorescent nucleobase conjugates having anionic linkers 有权
    具有阴离子接头的荧光核碱基缀合物

    公开(公告)号:US07687236B2

    公开(公告)日:2010-03-30

    申请号:US12240924

    申请日:2008-09-29

    IPC分类号: C12Q1/68 C12P19/34

    摘要: Provided are nucleotide-dye conjugates and related compounds in which a dye is linked to a nucleobase directly or indirectly by an anionic linker. The anionic character of the linker is provided by one or more anionic moieties which are present in the linker, such as phosphate, phosphonate, sulfonate, and carboxylate groups. When the dye is a provided as a donor/acceptor dye pair, the anionic linker can be located between the donor and the acceptor, or between the nucleobase and either the donor or acceptor, or both. In one embodiment, conjugates of the invention provide enhanced electrophoretic mobility characteristics to sequencing fragments, e.g., for dideoxy sequencing using labeled terminators.

    摘要翻译: 提供的是核苷酸 - 染料缀合物和相关化合物,其中染料通过阴离子连接体直接或间接连接到核碱基。 连接体的阴离子特征由连接物中存在的一个或多个阴离子部分提供,例如磷酸酯,膦酸酯,磺酸酯和羧酸酯基团。 当染料作为供体/受体染料对提供时,阴离子连接体可以位于供体和受体之间,或位于核碱基与供体或受体之间或两者之间。 在一个实施方案中,本发明的缀合物为测序片段提供增强的电泳迁移率特性,例如使用标记的终止子进行双脱氧测序。