Expression and purification of tag-free SARS-CoV-2 RNA-dependent RNA polymerase in Escherichia coli.
Expression and purification of tag-free SARS-CoV-2 RNA-dependent RNA polymerase in Escherichia coli.
复制标题
大肠杆菌中无标记的SARS-COV-2 RNA依赖性RNA聚合酶的表达和纯化。
DOI:
10.1016/j.xpro.2021.100357
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发表时间:
2021-03-19
期刊:
影响因子:
--
通讯作者:
Johnson KA
中科院分区:
文献类型:
--
作者:
Dangerfield TL;Huang NZ;Johnson KA
The RNA-dependent-RNA polymerase (RdRp) from SARS-CoV-2 is an important drug target because it is responsible for viral RNA genome replication. Efficient production of recombinant RdRp is important in screening antivirals to treat COVID-19. Here, we present our protocol for expression of tag-free replication complex proteins in E. coli and subsequent purification. Despite the added complexity of multiple purification steps, our methods provide greater activity, yield at lower cost, and are faster than baculovirus expression systems. For complete details on the use and execution of this protocol, please refer to. Soluble expression of tag-free, highly active SARS-CoV-2 polymerase complex in E. coli Purification protocol for NSP-7/8/12 RNA polymerase complex is provided Protocol for expression and purification of supplemental NSP8 included Purified SARS-CoV-2 RNA polymerase complex catalyzes fast processive RNA replication The RNA-dependent-RNA polymerase (RdRp) from SARS-CoV-2 is an important drug target because it is responsible for viral RNA genome replication. Efficient production of recombinant RdRp is important in screening antivirals to treat COVID-19. Here, we present our protocol for expression of tag-free replication complex proteins in E. coli and subsequent purification. Despite the added complexity of multiple purification steps, our methods provide greater activity, yield at lower cost, and are faster than baculovirus expression systems.
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