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Recombinant 2019nCoV antigen-coronavirus Nsp3-X domain(Macro domain, His tag)
Cat No.: GMP-V-2019nCoV-Nsp3X-01
Order information
Delivery impact due to the Coronavirus Outbreak
With the COVID-19 outbreak in the world, many flights have been cancelled. In order for the customer to receive the goods properly, we use the FedEx Customized Freight (FCF) of Fedex which demands a higher fee. If the delivery fee is more expensive in your area, we will contact you by mail.
| Package | Catalog No. | Price(In USD) | Qty (Quantity) | Sum(In USD) |
|---|---|---|---|---|
| 1mg | GMP-V-2019nCoV-Nsp3X-01-1mg | 5990 | ||
| 10mg | GMP-V-2019nCoV-Nsp3X-01-10mg | 38790 | ||
| 100mg | GMP-V-2019nCoV-Nsp3X-01-100mg | 258000 | ||
| ≥100mg | GMP-V-2019nCoV-Nsp3X-01-xmg | Inquiry | ||
| Shipping Cost: | 760.00 | |||
| Total: | ||||
Description
| Accession Number | QHD43415.1 |
| Expression platform | 2019-nCoV(SARS-CoV-2, SARS2-coronavirus) |
| Isotypes | E.coli |
| Tag | N-His |
| Products description |
Recombinant 2019-nCoV(SARS-CoV-2)Nsp3-X domain(Macro domain) was expressed in E.coli-based prokaryotic cell expression system and the target gene encoding Glu1024-Gln1198 was expressed with 6 HIS tag at the N-terminus. The Macro domain is a module of ~180 amino acids which can bind ADP-ribose, an NAD metabolite or related ligands. |
| Bioactivity validation | In Testing |
| Purity | Purity: ≥85% (SDS-PAGE) |
| Application | Immunogen in Elisa,lateral-flow tests,and other immunoassays;Standard substance The antigen can also be used in drug discovery including antibody screening and lead compound candidates assay. |
| predicted Molecular Mass | 22kD |
| Formulation | Lyophilized from sterile PBS, PH 7.4 |
| Storage | Store at -20℃ to -80℃ under sterile conditions. Avoid repeated freeze-thaw cycles. |
About Nsp3
COVID-19 pandemic is caused by 2019nCoV (SARS-CoV-2) infection. 2019nCoV contains 16 Non-structure protein (Nsp1-Nsp16) that may be drugable targets for antiviral compounds discovery against COVID-191.
Nsp3: Nsp3 (200 kDa) is the largest protein encoded by the coronavirus genome (SARS-CoV-2, SARS-CoV, MERS, etc.). Nsp3 is an essential component of the replication and transcription complex. It comprises various domains, the organization of which differs between coronavirus genera, due to duplication or absence of some domains. However, the N-terminal region of the Nsp3 is highly conserved among coronavirus, containing a ubiquitin-like (Ubl) globular fold followed by a flexible, extended acidic-domain (AC domain) rich in glutamic acid (38%). Next to the AC domain is a catalytically active ADP-ribose-1"-phosphatase (ADRP, app-1"-pase) domain (also called macro domain or X domain) thought to play a role during synthesis of viral subgenomic RNAs. SARS Unique Domain (SUD), a domain not yet identified in other coronaviruses from alphacoronavirus and betacoronavirus, follows next. The SUD domain binds oligonucleotides known to form G-quadruplexes. Downstream of the SUD domain is a second Ubl domain and the catalytically active PLpro domain that proteolytically processes the Nsp1/2, Nsp2/3 and Nsp3/4 cleavage sites1,2.
References
1.
Gordon, D. E. et al. A SARS-CoV-2-Human Protein-Protein Interaction Map Reveals Drug Targets and Potential Drug-Repurposing. BioRxiv, doi:10.1101/2020.03.22.002386 (2020).
2.
Wojdyla, J. A. et al. Papain-like protease 1 from transmissible gastroenteritis virus: crystal structure and enzymatic activity toward viral and cellular substrates. J Virol 84, 10063-10073, doi:10.1128/JVI.00898-10 (2010).
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