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    • 2. 发明公开
    • 재조합 HCV NS5B 단백질, 및 그의 제조방법 및용도
    • 重组丙型肝炎病毒NS5B蛋白及其制备方法及其用途
    • KR1020020070125A
    • 2002-09-05
    • KR1020020010174
    • 2002-02-26
    • 주식회사 엘지생명과학
    • 이미경김정민현욱섭노기윤
    • C12N9/12
    • C12N9/127C12N15/70C12Y207/07048G01N33/5767G01N2500/20
    • PURPOSE: Provided are recombinant hepatitis C virus(HCV) NS5B protein which is derived from HCV patient's serum and has excellent RNA-dependent NA polymerase(RdRp) activity, and its preparation process and use as HCV growth inhibitor. CONSTITUTION: The recombinant NS5B protein is prepared by deletion of 24 amino acids from C-terminus of HCV NS5B protein. It has RNA-dependent NA polymerase(RdRp) activity and is water soluble. It has an amino acid sequence of SEQ ID NO:8 and a nucleotide sequence of SEQ ID NO:7. An expression vector, pET21b-NS5Bt, contains a recombinant NS5B protein coding gene and transforms E.coli. The recombinant NS5B protein is prepared by culturing a transformant, E.coli BL21(DE3)/pET21b-NS5Bt(KCTC 10167BP), inducing the expression of the recombinant protein, and separating and purifying it.
    • 目的:提供源自HCV患者血清的重组丙型肝炎病毒(HCV)NS5B蛋白,具有优异的RNA依赖性NA聚合酶(RdRp)活性,其制备方法和用途为HCV生长抑制剂。 构成:通过从HCV NS5B蛋白的C末端缺失24个氨基酸制备重组NS5B蛋白。 它具有RNA依赖性的NA聚合酶(RdRp)活性,是水溶性的。 它具有SEQ ID NO:8的氨基酸序列和SEQ ID NO:7的核苷酸序列。 表达载体pET21b-NS5Bt含有重组NS5B蛋白编码基因并转化大肠杆菌。 通过培养转化体大肠杆菌BL21(DE3)/ pET21b-NS5Bt(KCTC 10167BP),诱导重组蛋白的表达,分离和纯化来制备重组NS5B蛋白。