SARS-CoV-2 Nucleocapsid Antibody (3868) - BSA Free

Novus Biologicals | Catalog # NBP3-07070

Novus Biologicals
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Key Product Details

Species Reactivity

SARS-CoV-2

Applications

ELISA, Immunocytochemistry/ Immunofluorescence

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 3868

Format

BSA Free
View all SARS-CoV-2 Nucleocapsid Primary Antibodies »

Product Specifications

Immunogen

This antibody was developed using a recombinant, full-length nucleoprotein.

Specificity

Specific for the nucleocapsid of Covid-19 virus. Cross reacts with SARS. These antibodies are non-reactive with: Influenza A, Influenza B, Adenovirus and MERS.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Description

This antibody is purified from ascites fluid or culture medium by protein A chromatography or sequential differential precipitations.

Scientific Data Images for SARS-CoV-2 Nucleocapsid Antibody (3868) - BSA Free

Sandwich ELISA: SARS-CoV-2 Nucleocapsid Antibody (3868) [NBP3-07070] - Sandwich ELISA for SARS-CoV-2 Nucleocapsid Matched Pair Antibodies. A sandwich ELISA was performed using SARS-CoV-2 Nucleocapsid antibody (NBP3-07038, 2ug/ml) as capture antibody, a nucleocapsid recombinant protein as the binding protein, and the anti-SARS-CoV-2 Nucleocapsid antibody (NBP3-07070, 0.5ug/ml) as the detection antibody. Secondary: Goat anti-mouse IgG HRP conjugate at 1:20000 dilution. Detection range is from 0.03 ng to 300 ng. EC50 = 4.27 ng
Sandwich ELISA: SARS-CoV-2 Nucleocapsid Antibody (3868) [NBP3-07070] - Sandwich ELISA for SARS-CoV-2 Nucleocapsid Antibodies. A sandwich ELISA was performed using SARS-CoV-2 Nucleocapsid antibody (NBP3-07039, 2ug/ml) as capture antibody, the Nucleocapsid recombinant protein as the binding protein, and the anti-SARS-CoV-2 Nucleocapsid antibody (NBP3-07068, 0.5ug/ml) as the detection antibody. Secondary: Goat anti-mouse IgG HRP conjugate at 1:20000 dilution. Detection range is from 0.03 ng to 300 ng. EC50 = 15.82 ng

Applications for SARS-CoV-2 Nucleocapsid Antibody (3868) - BSA Free

Application
Recommended Usage

ELISA

1:20-1:200

Immunocytochemistry/ Immunofluorescence

1:10-1:50
Application Notes
Sandwich ELISAs for SARS-CoV-2 Nucleocapsid Matched Pair Antibodies. A sandwich ELISA was performed using SARS-CoV-2 Nucleocapsid antibody (NBP3-07038, 2ug/ml) as capture antibody, a nucleocapsid recombinant protein as the binding protein, and the anti-SARS-CoV-2 Nucleocapsid antibody (NBP3-07070, 0.5ug/ml) as the detection antibody. Secondary: Goat anti-mouse IgG HRP conjugate at 1:20000 dilution. Detection range is from 0.03 ng to 300 ng. EC50 = 4.27 ng. A sandwich ELISA was performed using SARS-CoV-2 Nucleocapsid antibody (NBP3-07039, 2ug/ml) as capture antibody, the Nucleocapsid recombinant protein as the binding protein, and the anti-SARS-CoV-2 Nucleocapsid antibody (NBP3-07068, 0.5ug/ml) as the detection antibody. Secondary: Goat anti-mouse IgG HRP conjugate at 1:20000 dilution. Detection range is from 0.03 ng to 300 ng. EC50 = 15.82 ng.

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

0.01M PBS (pH 7.2)

Format

BSA Free

Preservative

0.1% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

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.

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

N

Additional SARS-CoV-2 Nucleocapsid Products

Product Documents for SARS-CoV-2 Nucleocapsid Antibody (3868) - BSA Free

Certificate of Analysis

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Product Specific Notices for SARS-CoV-2 Nucleocapsid Antibody (3868) - BSA Free

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

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Protocols

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FAQs

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