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    • 3. 发明授权
    • Chimeric DNA polymerases
    • 嵌合DNA聚合酶
    • US09023633B2
    • 2015-05-05
    • US13127420
    • 2009-11-03
    • Bjarne FaurholmPaul McEwanWilliam BournGavin Rush
    • Bjarne FaurholmPaul McEwanWilliam BournGavin Rush
    • C12N9/00C12N9/12C12P19/34
    • C12N9/1252C12N9/1241C12P19/34
    • The present invention provides, among other things, chimeric DNA polymerases containing heterologous domains having sequences derived from at least two DNA polymerases that have at least one distinct functional characteristics (e.g., elongation rate, processivity, error rate or fidelity, salt tolerance or resistance) and methods of making and using the same. In some embodiments, the present invention can combine desired functional characteristics (e.g., high processivity; high elongation rate; thermostability; resistance to salt, PCR additives (e.g., PCR enhancers) and other impurities; and high fidelity) of different DNA polymerases in a chimeric polymerase.
    • 本发明尤其提供了含有异源结构域的嵌合DNA聚合酶,所述异源结构域具有源自至少两种DNA聚合酶的序列,其具有至少一个不同的功能特征(例如伸长率,持续性,错误率或保真度,耐盐性或抗性) 以及制作和使用它们的方法。 在一些实施方案中,本发明可以将不同DNA聚合酶的所需功能特征(例如,高延展率,高延伸率,耐热性,耐盐性,PCR添加剂(例如PCR增强剂)以及其他杂质以及高保真度)结合在一起 嵌合聚合酶。