Host: E. coli • AA: 3,831-3,913 • Tag: C-terminal His
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SARS-CoV-2 nsp7 (recombinant)

Item No. 40881

Product Insert (PDF)
Technical Information
Synonyms
  • SARS-CoV-2 Non-structural Protein 7
  • Severe Acute Respiratory Syndrome Coronavirus 2 nsp7
Purity
≥90%
Endotoxin Testing
< 1.0 EU/μg, determined by the LAL endotoxin assay
Source
Recombinant SARS-CoV-2 C-terminal His-tagged nsp7 expressed in E. coli
Amino Acids
3,831-3,913
Formulation (Request formulation change)
50 mM Tris-HCl, pH 7.5, with 200 mM sodium chloride and 20% glycerol
UniProt Accession №
P0DTD1
Shipping & Storage Information
Storage
-80°C
Shipping
Dry ice in continental US; may vary elsewhere
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Certificates of Analysis & Batch Specific Data

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    Product Description

    Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is an enveloped positive-stranded RNA virus and the causative agent of COVID-19, a primarily respiratory illness characterized by fever, cough, and shortness of breath that can lead to life-threatening complications.1,2,3,4,5 The SARS-CoV-2 genome contains approximately 30 kilobases and 14 open reading frames (ORFs) that encode four structural proteins: spike, envelope, membrane, and nucleocapsid, as well as 16 non-structural proteins and 9 accessory factors.6 SARS-CoV-2 non-structural protein 7 (nsp7) is encoded within ORF1ab and is a cofactor in the RNA replication transcriptional complex. nsp7 is highly conserved in coronaviruses, and in SARS-CoV-2 it forms a decameric RNA replication transcriptional complex with the RNA polymerase cofactor nsp8 and the RNA-dependent RNA polymerase (RdRp) nsp12.7 Mutations in the nsp7-nps8 binding interface reduce the stability of the RNA replication transcriptional complex, leading to impaired RNA polymerase activity.8

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Kandeel, M., Ibrahim, A., Fayez, M., et al. From SARS and MERS CoVs to SARS-CoV-2: Moving toward more biased codon usage in viral structural and nonstructural genes. J. Med. Virol. 92(6), 660-666 (2020).

    2. Lu, R., Zhao, X., Li, J., et al. Genomic characterisation and epidemiology of 2019 novel coronavirus: Implications for virus origins and receptor binding. Lancet 395(10224), 565-574 (2020).

    3. Meo, S.A., Alhowikan, A.M., Al-Khlaiwi, T., et al. Novel coronavirus 2019-nCoV: Prevalence, biological and clinical characteristics comparison with SARS-CoV and MERS-CoV. Eur. Rev. Med. Pharmacol. Sci. 24(4), 2012-2019 (2020).

    4. Klok, F.A., Kruip, M.J.H.A., van der Meer, N.J.M., et al. Incidence of thrombotic complications in critically ill ICU patients with COVID-19. Thromb. Res. 191, 145-147 (2020).

    5. Yang, F., Shi, S., Zhu, J., et al. Analysis of 92 deceased patients with COVID-19. J. Med. Virol. 92(11), 2511-2515 (2020).

    6. Romano, M., Ruggiero, A., Squeglia, F., et al. A structural view of SARS-CoV-2 RNA replication machinery: RNA synthesis, proofreading and final capping. Cells 9(5), 1267 (2020).

    7. Wang, Q., Wu, J., Wang, H., et al. Structural basis for RNA replication by the SARS-CoV-2 polymerase. Cell 182(2), 417-428 (2020).

    8. Biswal, M., Diggs, S., Xu, D., et al. Two conserved oligomer interfaces of NSP7 and NSP8 underpin the dynamic assembly of SARS-CoV-2 RdRP. Nucleic Acids Res. 49(10), 5956-5966 (2021).