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    • 1. 发明公开
    • Modified nucleotides for polynucleotide sequencing
    • Modifizierte Nucleotide zur Polynucleotidsequenzierung
    • EP2607369A1
    • 2013-06-26
    • EP12180077.5
    • 2003-08-22
    • Illumina Cambridge Limited
    • Milton, JohnWu, XiaolinSmith, MarkBrennan, JosephBarnes, ColinLiu, XiaohaiRuediger, Silke
    • C07H19/06C07H19/10C07H19/16C07H19/20C07H21/00C12Q1/68
    • C12Q1/6869C07H1/00C07H19/06C07H19/10C07H19/14C07H19/16C07H19/20C07H21/00C12Q2525/186C12Q2535/113Y02P20/55C12Q2525/197
    • The invention provides modified nucleotide or nucleoside molecule comprising a purine or pyrimidine base and a ribose or deoxyribose sugar moiety having a removable 3'-OH blocking group covalently attached thereto, such that the 3' carbon atom has attached a group of the structure

              -O-Z

      wherein Z is any of -C(R') 2 -O-R", -C(R') 2 -N(R") 2 ,-C(R') 2 -N(H)R", -C(R') 2 -S-R" and -C(R') 2 -F,
      wherein each R" is or is part of a removable protecting group;
      each R' is independently a hydrogen atom, an alkyl, substituted alkyl, arylalkyl, alkenyl, alkynyl, aryl, heteroaryl, heterocyclic, acyl, cyano, alkoxy, aryloxy, heteroaryloxy or amido group, or a detectable label attached through a linking group; or (R') 2 represents an alkylidene group of formula =C(R"') 2 wherein each R''' may be the same or different and is selected from the group comprising hydrogen and halogen atoms and alkyl groups; and
      wherein said molecule may be reacted to yield an intermediate in which each R" is exchanged for H or, where Z is -C(R') 2 -F, the F is exchanged for OH, SH or NH 2 , preferably OH, which intermediate dissociates under aqueous conditions to afford a molecule with a free 3'OH;
      with the proviso that where Z is -C(R') 2 -S-R", both R' groups are not H.
    • 本发明提供了包含嘌呤或嘧啶碱基和核糖或脱氧核糖糖部分的修饰的核苷酸或核苷分子,其具有共价连接到其上的可移除的3'-OH封闭基团,使得3'碳原子连接有一组结构 ƒ€ƒ€ƒ€ƒ€ƒ-OZ其中Z是-C(R')2 -OR“,-C(R')2 -N(R”)2,-C( R')2 -N(H)R“,-C(R')2 -SR”和-C(R')2 -F,其中每个R“为或可除去保护基的一部分;每个R' 氰基,烷氧基,芳氧基,杂芳氧基或酰胺基,或通过连接基团连接的可检测标记;或(R ')2表示式= C(R“')2的亚烷基,其中每个R”可以相同或不同,并且选自氢和卤素原子和烷基; 并且其中所述分子可以反应以产生其中每个R“被交换为H的中间体,或者其中Z是-C(R')2 -F,F被换成OH,SH或NH 2,优选OH, 该中间体在水性条件下解离以得到具有游离3'OH的分子;条件是其中Z为-C(R')2 -SR“,两个R'基团均不为H.