MERS-CoV Spike S1 Subunit Alexa Fluor™ Plus 488‑conjugated Antibody

R&D Systems | Catalog # FAB10707AFP488

R&D Systems

Key Product Details

Species Reactivity

MERS-CoV

Applications

Immunocytochemistry

Label

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

Antibody Source

Monoclonal Mouse IgG1 Clone # 1038459
View all Spike S1 Subunit Primary Antibodies »

Product Specifications

Specificity

Detects MERS-CoV-2 Spike S1 in ELISA.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for MERS-CoV Spike S1 Subunit Alexa Fluor™ Plus 488‑conjugated Antibody

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 S1 Subunit

MERS-CoV (also known as HCoV-EMC), which causes the Middle East Respiratory Syndrome (MERS), 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 several viruses that cause relatively mild respiratory disease, plus two viruses that caused the Severe Acute Respiratory Syndrome (SARS-CoV) and the global pandemic Covid-19 (SARS-CoV2). MERS-CoV Spike Protein (S Protein) is a glycoprotein that mediates membrane fusion and viral entry, and it consists of two subunits, S1 and S2. The S1 subunit is focused on attachment of the protein to the host receptor while the S2 subunit is involved with cell fusion (3). Based on amino acid (aa) sequence homology, the MERS-CoV S1 subunit shares 23% and 22% identity with SARS-CoV S1 subunit and SARS-Cov2 S1 subunit, respectively. The low aa sequence homology is consistent with the finding that MERS-CoV and SARS-CoV bind different cellular receptors (4). Unlike SARS-CoV and SARS-CoV2, which engage ACE2 as their receptors for cell entry, MERS-CoV employs Dipeptidyl Peptidase 4 (DPP4; also known as CD26) as its functional receptor (4). Based on structural biology studies, the receptor binding domain (RBD) of MERS-CoV spike protein is located in the C-terminal region of S1 subunit and consists of a core subdomain and a receptor-binding subdomain (5, 6). The S1 subunit, especially the RBD region, was commonly targeted for vaccinations or antiviral therapy against MERS (7-9).

References

  1. Bermingham, A. et al. (2012) Euro Surveill. 17:20290.
  2. Zaki, A.M. et al. (2012) N. Engl. J. Med. 367:1814.
  3. Li, Y. et al. (2019) Engineering. 5:940.
  4. Raj, V.S. et al. (2013) Nature 495:251.
  5. Lu, G. et al. (2013) Nature 500:227.
  6. Wang, N. et al. (2013) Cell. Res. 23:986.
  7. Corti, D. et al. (2016) J. Infect. Public Health 9:231.
  8. Tang, X.C. et al. (2014) Proc. Natl. Acad. Sci. USA 111:E2018.
  9. Jiang, L. et al. (2014) Sci. Transl. Med. 6:234ra59.

Long Name

Spike Protein, S1 Subunit

Alternate Names

SARS-CoV-2

UniProt

K9N5Q8.1

Additional Spike S1 Subunit Products

Product Documents for MERS-CoV Spike S1 Subunit Alexa Fluor™ Plus 488‑conjugated Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for MERS-CoV Spike S1 Subunit Alexa Fluor™ Plus 488‑conjugated Antibody


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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