SARS-CoV-2 Membrane Antibody Summary
Met1-Asn21
Accession # YP_009724393.1
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Detection of SARS-CoV-2 Membrane by Western Blot. Western blot shows recombinant SARS CoV-2 Membrane. PVDF membrane was probed with 2 µg/mL of Mouse Anti-SARS-CoV-2 Membrane Monoclonal Antibody (Catalog # MAB11038) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (HAF018). A specific band was detected for Membrane at approximately 40 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1.
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Detection of SARS-CoV-2 Membrane in HEK293 human embryonic kidney cell line transfected. Membrane was detected in immersion fixed HEK293 human embryonic kidney cell line transfected (positive staining) and HEK293 human embryonic kidney cell line (non-transfected, negative staining) using Mouse Anti-SARS-CoV-2 Membrane Monoclonal Antibody (Catalog # MAB11038) at 8 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Reconstitution Calculator
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Membrane
SARS-CoV-2, which causes the global pandemic coronavirus disease 2019 (Covid-19), belongs to a family of viruses known as coronaviruses that are commonly comprised of four structural proteins: Spike protein(S), Envelope protein (E), Membrane protein (M), and Nucleocapsid protein (N) (1). M protein is the most abundant structural protein in the coronavirus membrane, and it is predicted to span the membrane three times, with a short N-terminal domain outside the viral envelope and a long C-terminal domain inside the virion (2). SARS-CoV-2 M protein is a 222 amino acid (aa) glycoprotein that is composed of an 18 aa N-terminal domain on the viral surface, 3 transmembrane domains, and a 122 aa C-terminal domain inside the viral envelope. SARS-CoV-2 M protein shares 89.14%, 98.6%, 98.2%, and 38.36% aa similarity with SARS-CoV-1, bat SARS-CoV, pangolin SARS-CoV, and MERS-CoV M proteins, respectively (3). The M protein of coronavirus plays an important role in assembly of viral particles by interacting with other structural proteins, especially with the E protein (4, 5). In SARS-CoV-2, M protein, combined with E protein, regulates intracellular trafficking of the S Protein and its unique furin-mediated processing (6).
- Wu, F. et al. (2020) Nature 579:265.
- Mousavizadeh, L. and S. Ghasemi (2020) J. Microbiol. Immunol. Infect. doi:10.1016/j.jmii.2020.03.022.
- Thomas, S. (2020) Pathog. Immun. 5:342.
- Masters, P.S. (2006) Adv. Virus. Res. 66:193.
- Corse, E. and C.E. Machamer (2003) Virology 312:25.
- Boson, B. et al. (2020) bioRxiv doi:10.1101/2020.08.24.260901.
Product Datasheets
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