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CONSTRUCTION OF EXPRESSION SYSTEM FOR RNA POLYMERASE DERIVED FROM INFLUENZA VIRUS, CRYSTALLIZATION OF THE RNA POLYMERASE, AND SCREENING METHOD FOR ANTI-INFLUENZA AGENT
CONSTRUCTION OF EXPRESSION SYSTEM FOR RNA POLYMERASE DERIVED FROM INFLUENZA VIRUS, CRYSTALLIZATION OF THE RNA POLYMERASE, AND SCREENING METHOD FOR ANTI-INFLUENZA AGENT
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机译:流感病毒RNA聚合酶表达系统的构建,RNA聚合酶的结晶及抗流感试剂的筛选方法
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摘要
The present invention aims to express influenza virus RNA polymerase on a large scale, to crystallize the influenza virus RNA polymerase, and to provide a method for screening a substance capable of serving as an active ingredient in anti-influenza drugs which target a protein highly conserved among influenza virus species.;The present invention provides a complex comprising a polypeptide consisting of an amino acid sequence at positions 239-716 of the RNA polymerase PA subunit in influenza A/Puerto Rico/8/1934 H1N1 and a polypeptide consisting of an amino acid sequence at positions 1-81 of the RNA polymerase PB1 subunit in influenza A/Puerto Rico/8/1934 H1N1, as well as a method for screening a substance capable of serving as an active ingredient in anti-influenza drugs, which comprises the step of selecting a substance which inhibits the interaction between α-subunit and β-subunit 1, each constituting influenza virus RNA polymerase, in the presence of a candidate substance.
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机译:本发明的目的是大规模表达流感病毒RNA聚合酶,使流感病毒RNA聚合酶结晶,并提供一种筛选能够用作抗流感药物中活性成分的物质的方法,所述抗流感药物靶向高度保守的蛋白质本发明提供了一种复合物,该复合物包含由A / Puerto Rico / 8/1934 H1N1流感病毒中RNA聚合酶PA亚基的239-716位氨基酸序列组成的多肽和由氨基氨基酸组成的多肽。 A / Puerto Rico / 8/1934 H1N1流感病毒中RNA聚合酶PB1亚基1-81位的氨基酸序列,以及一种能够在抗流感药物中用作活性成分的物质的筛选方法,包括候选物质存在下,选择一种抑制α-亚基和β-亚基1之间相互作用的物质的步骤,所述α-亚基和β-亚基1各自构成流感病毒RNA聚合酶。
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