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    • 8. 发明申请
    • DNA LIBRARY AND ITS USE IN METHODS OF SELECTING AND DESIGNING POLYPEPTIDES
    • DNA图书馆及其在选择和设计多糖方法中的应用
    • WO0125417A3
    • 2001-11-15
    • PCT/GB0003765
    • 2000-10-02
    • GENDAQ LTDCHOO YENKLUG AARON
    • CHOO YENKLUG AARON
    • C12N15/10C12Q1/68
    • C12N15/1055C12N15/1048
    • A library is provided of DNA sequences consisting of 4 sequences, where N is greater than or equal to three, each sequence varying from the other sequences by comprising a different one of the 4 possible permutations of a DNA sequence of length N, wherein the library of DNA sequences is immobilised on a solid substrate. Preferably, each sequence occupies a discrete position, and preferably, the library is arranged in two or more sub-libraries, preferably 4N sub-libraries, wherein for any one sub-library one base in the DNA sequence of length N is defined and the other N-1 bases are randomised. The library may be used in screening methods to identify and characterise zinc fingers having specificity for particular nucleotide sequences.
    • 提供由4个N序列组成的DNA序列的文库,其中N大于或等于3个,每个序列从其他序列变化,包括不同的4个可能的排列的DNA序列 长度为N,其中将DNA序列文库固定在固体基质上。 优选地,每个序列占据离散位置,并且优选地将文库排列在两个或更多个子文库中,优选4N子文库,其中对于任何一个子文库,定义长度为N的DNA序列中的一个碱基,并且 其他N-1碱基是随机的。 该文库可用于筛选方法以鉴定和表征具有特定核苷酸序列特异性的锌指。