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    • 44. 发明授权
    • Nucleotide compounds including a rigid linker
    • 包括刚性接头的核苷酸化合物
    • US06653462B2
    • 2003-11-25
    • US10085561
    • 2002-02-26
    • Shaheer H. KhanBarnett B. RosenblumWeiguo ZhenSteven M. Menchen
    • Shaheer H. KhanBarnett B. RosenblumWeiguo ZhenSteven M. Menchen
    • C07H2100
    • C07H21/00C07H19/04C07H19/06C07H19/14C07H19/16C07H19/20C12Q1/6869C12Q2525/186C12Q2525/117C12Q2525/113
    • A nucleoside/tide compound having the structure: NUC-L-S-LB/LG is described wherein NUC is a nucleoside/tide having a nucleobase portion B, L is a rigid linkage, S is a spacer; and LB/LG is a member of a linkage pair or a label. NUC is attached to L through B such that when B is a purine, L is attached to the 8-position of the purine, when B is 7-deazapurine, L is attached to the 7-position of the 7-deazapurine, and when B is pyrimidine, L is attached to the 5-position of the pyrimidine. In an important aspect of the invention, L has the structure: wherein each of n, o and p are integers ranging from 0 to 3, and the sum of n, o and p is at least 2, and each of W, X, Y and Z is selected from the group consisting of carbon and nitrogen. The invention further includes polynucleotide compounds comprising the nucleoside/tide, and primer extension methods utilizing the nucleoside/tide, particularly when used in combination with certain mutant polymerase enzymes.
    • 描述了具有以下结构的核苷/潮汐化合物:其中NUC是具有核碱基部分B的核苷/潮汐,L是刚性键,S是间隔基; 而LB / LG是连锁对或标签的成员。 N与B连接,B为嘌呤时,L为嘌呤8位时,B为7-脱氮嘌呤时,L为7-脱氮嘌呤的7-位, B是嘧啶,L连接到嘧啶的5位上。 在本发明的一个重要方面,L具有以下结构:其中n,o和p各自为0至3的整数,n,o和p之和至少为2,W,X, Y和Z选自碳和氮。 本发明还包括包含核苷/潮汐的多核苷酸化合物,以及利用核苷/潮汐的引物延伸方法,特别是当与某些突变型聚合酶组合使用时。