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    • 16. 发明申请
    • NOVEL METHOD TO GENERATE MEGANUCLEASES WITH ALTERED CHARACTERISTICS
    • 用改进的特征生成核糖体的新方法
    • US20110207199A1
    • 2011-08-25
    • US13057528
    • 2009-02-09
    • Frederic PaquesSylvestre GrizotPhilippe Duchateau
    • Frederic PaquesSylvestre GrizotPhilippe Duchateau
    • C12N9/16C40B10/00
    • C12P19/34C12N9/22
    • Method to generate and select a meganuclease having at least two altered characteristics in comparison to a parent meganuclease, comprising the steps: a. constructing from a parent meganuclease, a first series of variants which differ from said parent meganuclease by at least one acid amino substitution; b. screening the variants from said first series of step a. and selecting those which have a first altered characteristic; c. constructing from the selected variants of step b. a second series of variants having a least one other amino acid substitution; d. screening the variants from said series of step b. and selecting those which have said first altered characteristic and a second altered characteristic. Polypeptide obtained from said method.
    • 与父母大范围核酸酶相比,产生和选择具有至少两个改变的特征的大范围核酸酶的方法,包括以下步骤:a。 从母体大范围核酸酶构建第一系列变体,其不同于所述亲本大范围核酸酶至少一个酸性氨基取代; b。 从所述第一系列步骤a筛选变体。 并选择具有第一改变特征的那些; C。 从步骤b的选定变体构建。 具有至少一个其它氨基酸取代的第二系列变体; d。 筛选所述系列步骤b中的变体。 并选择具有所述第一改变特性和第二改变特性的那些。 从所述方法获得的多肽。