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    • 7. 发明申请
    • METHODS FOR TAGGING DNA-ENCODED LIBRARIES
    • 标记DNA编码的图书馆的方法
    • WO2016109423A1
    • 2016-07-07
    • PCT/US2015/067667
    • 2015-12-28
    • X-CHEM, INC.
    • KEEFE, Anthony, D.LITOVCHICK, AlexanderCLARK, MatthewWAGNER, Richard, W.
    • C07H21/02
    • C12N15/1065C07H1/00C07H21/02C12N15/1068
    • The present invention relates to methods for producing encoded chemical entities. In particular, the oligonucleotides and methods can include encoded chemical entities having wild-type linkages formed through chemical ligation techniques. One strategy that can be utilized that simultaneously takes advantage of chemical ligation as a means to encode chemical history, while also retaining the ability of polymerases to directly recover tag sequence and association information, is to perform chemical ligation in a manner that generates wildtype phosphodiester linkages. Such methods generally utilize condensing agents such as cyanogen bromide or similar along with 5'-phosphate and 3'-hydroxyl oligonucleotides in a double-stranded or templated context. Similarly cyanogen bromide has also been shown to chemically ligate pairs of substrate oligonucleotides that are 5'-hydroxyl and 3'-phosphate. However, these methods suffer from poor efficiency making them ill-suited for use in an iterative process such as tagging DNA-encoded libraries.
    • 本发明涉及生产编码化学实体的方法。 特别地,寡核苷酸和方法可以包括具有通过化学连接技术形成的野生型连接的编码化学实体。 可以同时利用化学连接作为编码化学历史的手段的一种策略,同时保留聚合酶直接回收标签序列和缔合信息的能力是以产生野生型磷酸二酯键的方式进行化学连接 。 这样的方法通常在双链或模板化环境中使用缩合剂如溴化氰或类似物以及5'-磷酸和3'-羟基寡核苷酸。 类似地,溴化氰也被证明化学连接了5'-羟基和3'-磷酸的底物寡核苷酸对。 然而,这些方法的效率差,使得它们不适合用于迭代过程,例如标记DNA编码的文库。