SARS-CoV-2 Nucleocapsid Antibody (84D7)

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-07042

Recombinant Monoclonal Antibody
Novus Biologicals, part of Bio-Techne
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NBP3-07042
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Key Product Details

Species Reactivity

SARS-CoV-2

Applications

Immunohistochemistry, Western Blot, ELISA

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Rabbit IgG Kappa Clone # 84D7 expressed in HEK293

Concentration

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

View all SARS-CoV-2 Nucleocapsid Antibodies »

Product Specifications

Immunogen

SARS-CoV-2 nucleoprotein (NP) specific peptide

Reactivity Notes

Highly-specific to SARS-CoV-2 nucleoprotein; does not cross-react with nucleoprotein from SARS-CoV or other coronaviruses

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG Kappa

Description

Novus Biologicals Rabbit SARS-CoV-2 Nucleocapsid Antibody (84D7) (NBP3-07042) is a recombinant monoclonal antibody validated for use in ELISA. All Novus Biologicals antibodies are covered by our 100% guarantee.

Scientific Data Images for SARS-CoV-2 Nucleocapsid Antibody (84D7)

SARS-CoV-2 Nucleocapsid Antibody (84D7)

Immunohistochemistry: Rabbit Monoclonal SARS-CoV-2 Nucleocapsid Antibody (84D7) [NBP3-07042] -

Immunohistochemistry: Rabbit Monoclonal SARS-CoV-2 Nucleocapsid Antibody (84D7) [NBP3-07042] - Immunohistochemistry Validation of SARS-CoV-2 (COVID-19) Nucleocapsid in COVID-19 Patient Lung

Immunohistochemical analysis of paraffin-embedded COVID-19 patient lung tissue using anti- SARS-CoV-2 (COVID-19) Nucleocapsid antibody (1 ug/mL). Tissue was fixed with formaldehyde and blocked with 10% serum for 1 h at RT; antigen retrieval was by heat mediation with a citrate buffer (pH6). Samples were incubated with primary antibody overnight at 4C. A goat anti-rabbit IgG H&L (HRP) at 1/250 was used as secondary. Counter stained with Hematoxylin. Strong signal of SARS-COV-2 Nucleocapsid protein was observed in the macrophages of COVID-19 patient lung, but not in non-COVID-19 patient lung.
SARS-CoV-2 Nucleocapsid Antibody (84D7)

ELISA: Rabbit Monoclonal SARS-CoV-2 Nucleocapsid Antibody (84D7) [NBP3-07042] -

ELISA: Rabbit Monoclonal SARS-CoV-2 Nucleocapsid Antibody (84D7) [NBP3-07042] - Microtiter wells were coated with SARS-CoV-2 (COVID-19) Nucleocapsid Protein (NP) and SARS-CoV NP at 1 ug/mL. Purified rabbit monoclonal antibody 84D7 was serially diluted 1:2 starting at 1 ug/mL, and shows very strong and specific binding to COVID-19 NP antigen, with no significant cross-reactivity to SARS-CoV NP antigen.
SARS-CoV-2 Nucleocapsid Antibody (84D7)

Western Blot: Rabbit Monoclonal SARS-CoV-2 Nucleocapsid Antibody (84D7) [NBP3-07042} -

Western Blot: Rabbit Monoclonal SARS-CoV-2 Nucleocapsid Antibody (84D7) [NBP3-07042} - Western blot analysis of SARS-CoV2 and SARS-CoV nucleocapsid protein ( 50 ng) probed with 1 ug/mL CoV2NP rabbit monoclonal antibody (84D7), CoV2NP-84D7.

Applications for SARS-CoV-2 Nucleocapsid Antibody (84D7)

Application
Recommended Usage

ELISA

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Used for specific, high-sensitivity detection of SARS-CoV-2 nucleocapsid protein (NP).

Formulation, Preparation, and Storage

Purification

Peptide affinity purified

Formulation

PBS, 0.1% BSA, 50% Glycerol

Preservative

0.02% 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 4C short term. Aliquot and store at -20C long term. 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 (84D7)

Product Datasheets

Certificate of Analysis

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Product Specific Notices for SARS-CoV-2 Nucleocapsid Antibody (84D7)

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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