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    • 5. 发明申请
    • DROSOPHILA RECOMBINATION-ASSOCIATED PROTEIN AND METHODS FOR USE
    • DROSOPHILA重组相关蛋白及其使用方法
    • WO0107627A9
    • 2002-09-06
    • PCT/US0019901
    • 2000-07-21
    • EINSTEIN COLL MEDEISEN ANDREW
    • EISEN ANDREW
    • C12N15/09A61K38/00A61K38/43A61K48/00A61P43/00C07K16/40C12N1/15C12N1/19C12N1/21C12N5/10C12N9/00C12N9/10C12N9/90C12N15/52C12N15/10
    • C12N9/00A01K2217/05
    • The invention encompasses Drosophila Recombination Associated Protein (DRAP) isolated from D. melanogaster and a nucleic acid sequence encoding DRAP. The Drosophila Recombination Associated Protein, its homologues from other organisms or active peptides derived therefrom, as well as DNA encoding such protein are useful for homology-dependent pairing of three DNA strands. The combination of strand-transfer and topoisomerase activities associated with DRAP permits directed pairing and cleavage at defined site(s) within DNA. This in turn makes possible the isolation and/or removal of a defined segment of DNA. DRAP is also useful in cloning, genomic cloning and gene mapping, in promoting gene disruptions or "knockout" mutations, in carrying out targeted mutagenesis of specific genes and in generating transgenic animals. The invention further encompasses a method for experimental and therapeutic application of DRAP driven knockouts or other modifications of genes responsible for genetic diseases as well as the use of DRAP driven genetic manipulation of genes in gene therapy.
    • 本发明包括从黑腹果蝇分离的果蝇重组相关蛋白(DRAP)和编码DRAP的核酸序列。 果蝇重组相关蛋白,其来自其他生物的同源物或由其衍生的活性肽,以及编码这种蛋白质的DNA可用于三个DNA链的同源性依赖性配对。 与DRAP相关的链转移和拓扑异构酶活性的组合允许在DNA内的限定位点定向配对和切割。 这反过来使得能够分离和/或去除限定的DNA片段。 DRAP还可用于克隆,基因组克隆和基因作图,促进基因破坏或“敲除”突变,进行特异性基因的靶向诱变和产生转基因动物。 本发明进一步包括用于实验和治疗应用DRAP驱动敲除或负责遗传疾病的基因的其他修饰以及在基因治疗中使用DRAP驱动的基因遗传操作的方法。