HCoV-NL63 Human Coronavirus Spike RBD Alexa Fluor™ Plus 488‑conjugated Antibody

R&D Systems | Catalog # FAB11023AFP488

R&D Systems

Key Product Details

Species Reactivity

HCoV-NL63

Applications

Immunocytochemistry

Label

Alexa Fluor Plus 488 (Excitation = 493 nm, Emission = 518 nm)

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 2841A
View all Spike RBD Primary Antibodies »

Product Specifications

Specificity

Detects HCoV-NL63 Human Coronavirus Spike RBD in direct ELISAs.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Applications

Application
Recommended Usage

Immunocytochemistry

Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Formulation

Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: Spike RBD

HCoV-NL63, a virus first isolated from a child suffering from respiratory disease in 2003, belongs to a family of viruses known as coronaviruses that are commonly comprised of a large plus-strand RNA genome and four structural proteins: Spike protein (S), Envelope protein (E), Membrane protein (M), and Nucleocapsid protein (N) (1, 2). Other well-known human coronaviruses include three viruses that cause relatively mild respiratory disease: HCoV-229E, HCoV-HKU1 and HCov-OC43, plus three viruses that cause the Severe Acute Respiratory Syndrome (SARS-CoV), the Middle East Respirator Syndrome (MERS-CoV), and the global pandemic Covid-19 (SARS-CoV2). HCov-NL63 Spike Protein (S Protein) is a glycoprotein that mediates membrane fusion and viral entry. As with most coronaviruses, proteolytic cleavage of the S protein generates two distinct peptides, S1 and S2 subunits. The S1 subunit is focused on attachment of the protein to the host receptor while the S2 subunit is involved with cell fusion.  Although HCoV-NL63 S protein shares high homology (56%) with HCoV-229E, it does not employ CD13 (aminopeptidase N) as the receptor like HCoV-229E. Instead, HCoV-NL63 engages Angiotensin-Converting Enzyme 2 (ACE-2), the same receptor as SARS-CoV and SARS-CoV2, for cellular entry and replication (3). The receptor binding domain (RBD) of HCoV-NL63 is located at C-terminal region of S1 subunit (4, 5). Although NL63-CoV and SARS-CoV do not share structural homology in RBD region, they bind an overlapping region of ACE-2 (6, 7).

References

  1. Van der Hoek, L. et al. (2004) Nat. Med. 10:368.
  2. Fouchier, R.M. et al. (2004) Proc. Natl. Acad. Sci. U.S.A. 101:6212.
  3. Hofmann, H. et al. (2005) Proc. Natl. Acad. Sci. U.S.A. 102:7988.
  4. Hofmann, H. et al. (2006) J. Virol. 80:8639.
  5. Lin, H. et al. (2008) J. Gen. Virol. 89:1015.
  6. Li, W. et al. (2007) Virology 367:367.
  7. Wu, K. et al. (2009) Proc. Natl. Acad. Sci. U.S.A. 106:19970.

Long Name

Spike Receptor Binding Domain

Entrez Gene IDs

3200426 (HCoV-HKU1); 14254594 (MERS-CoV); 1489668 (SARS-CoV); 43740568 (SARS-CoV-2)

Gene Symbol

S

UniProt

YP_003767.1

Additional Spike RBD Products

Product Documents

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices


This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

For research use only

Related Research Areas

Infectious Diseases

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