Recombinant SARS-CoV-2 Nucleocapsid His (C-Term) Protein

Name: Recombinant SARS-CoV-2 Nucleocapsid His (C-Term) Protein
Brand: Novus Biologicals
SKU: NBP2-90975
Price: 449 USD
Availability: InStock

Novus Biologicals | Catalog # NBP2-90975

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Product Specifications
Preparation & Storage
Calculators
Background
Product Documents
Specific Notices
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Key Product Details

Source

E. coli

Tag

His (C-Term)

View all SARS-CoV-2 Nucleocapsid Proteins and Enzymes »

Product Specifications

Description

A full length recombinant protein with a C-Terminal His-tag and corresponding to the amino acids sequence of the SARS-COV-2 Nucleocapsid Protein

Source: E.coli

Purity

>90% SDS-PAGE

Predicted Molecular Mass

48 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Protein / Peptide Type

Recombinant Protein

Formulation, Preparation, and Storage

NBP2-90975

Formulation	Lyophilized from a 0.2 um filtered solution in PBS
Preservative	No Preservative
Concentration	Lyoph
Reconstitution	Reconstitute in sterile H2O. Recommended concentration is 1.5mg/ml, but each researcher should determine optimum working concentration for their use.
Shipping	The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage	Store at -20C. Avoid freeze-thaw cycles.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration

Background: SARS-CoV-2 Nucleocapsid

The SARS-CoV-2 Nucleocapsid protein is one of the four major structural proteins of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), the causative agent of COVID-19 (1,2). The nucleocapsid protein is an RNA-binding protein that is essential for viral assembly into a ribonucleoprotein complex and also functions in viral budding (2,3). More specifically, after viral replication and RNA synthesis, the viral genomes that are encapsulated by the nucleocapsid protein will bud into the membrane and help with mature virus formation (2). The nucleocapsid protein is synthesized as 419 amino acids (aa) in length with a theoretical molecular weight of 45.6 kDa (4). Structurally, the nucleocapsid protein contains an RNA-binding domain (N1b), a dimerization domain (N2b), and a few shorter regions (N1a, N2a, and spacer B/N3) (3). It is the N1b domain that is suggested to be involved in RNA binding (3). The nucleocapsid N1b domain contains a beta-hairpin, a loop region, and a beta-sheet core, giving it a right-handed shape (3). Conversely, the N2b domain functions in dimerization which promotes assembly into a helical filament where the dimer interface is made of two beta-strands and an alpha-helix portion (3). Inhibition of nucleocapsid assembly may be a potential target for treating COVID-19 infection.

Following SARS-CoV-2 infection, B cells and T cells display an immune response against nucleocapsid protein and nucleocapsid-specific neutralizing antibodies are produced (5). Interestingly, a study of patients who have recovered from COVID-19 revealed that there were no neutralizing antibodies against nucleocapsid protein present; however, a high presence against neutralizing spike RBD antibodies were detected (5).

References

1. Pillay T. S. (2020). Gene of the month: the 2019-nCoV/SARS-CoV-2 novel coronavirus spike protein. Journal of Clinical Pathology. https://doi.org/10.1136/jclinpath-2020-206658

2. Malik Y. A. (2020). Properties of Coronavirus and SARS-CoV-2. The Malaysian Journal of Pathology.

3. Zhu, G., Zhu, C., Zhu, Y., & Sun, F. (2020). Minireview of progress in the structural study of SARS-CoV-2 proteins. Current Research in Microbial Sciences. https://doi.org/10.1016/j.crmicr.2020.06.003

4. Uniprot (P0DTC9)

5. Shah, V. K., Firmal, P., Alam, A., Ganguly, D., & Chattopadhyay, S. (2020). Overview of Immune Response During SARS-CoV-2 Infection: Lessons From the Past. Frontiers in Immunology. https://doi.org/10.3389/fimmu.2020.01949

Alternate Names

2019-nCoV N Protein, 2019-nCoV Nucleocapsid Protein, COVID-19 N protein, COVID-19 nucleocapsid protein, Human coronavirus Nucleoprotein, nucleocapsid phosphoprotein, Nucleocapsid protein, Nucleoprotein, ORF9; structural protein, SARS-CoV-2, SARS-CoV-2 Nucleocapsid protein, SARS-CoV-2 N protein, SARSCoV2 Nucleoprotein, Severe Acute Respiratory Syndrome Coronavirus 2 Nucleocapsid Protein

Gene Symbol

Additional SARS-CoV-2 Nucleocapsid Products

Product Documents for Recombinant SARS-CoV-2 Nucleocapsid His (C-Term) Protein

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Certificate of Analysis

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Product Specific Notices for Recombinant SARS-CoV-2 Nucleocapsid His (C-Term) Protein

This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

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