SARS-CoV-2 Membrane Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB11038

R&D Systems, part of Bio-Techne
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MAB11038-100
MAB11038-SP
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Key Product Details

Species Reactivity

SARS-CoV-2

Applications

Immunocytochemistry, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 1046317

View all Membrane Antibodies »

Product Specifications

Immunogen

Chinese Hamster Ovary cell line CHO-derived SARS-CoV-2 Membrane (M) protein
Met1-Asn21
Accession # YP_009724393.1

Specificity

Detects SARS-CoV-2 Membrane (M) protein in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for SARS-CoV-2 Membrane Antibody

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.

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.

Applications for SARS-CoV-2 Membrane Antibody

Application
Recommended Usage

Immunocytochemistry

3-25 µg/mL
Sample: immersion fixed HEK293 human embryonic kidney cell line transfected with SARS-CoV-2 Membrane protein

Western Blot

2 µg/mL
Sample: Recombinant SARS CoV-2 Membrane protein

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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).

References

  1. Wu, F. et al. (2020) Nature 579:265.
  2. Mousavizadeh, L. and S. Ghasemi (2020) J. Microbiol. Immunol. Infect. doi:10.1016/j.jmii.2020.03.022.
  3. Thomas, S. (2020) Pathog. Immun. 5:342.
  4. Masters, P.S. (2006) Adv. Virus. Res. 66:193.
  5. Corse, E. and C.E. Machamer (2003) Virology 312:25.
  6. Boson, B. et al. (2020) bioRxiv doi:10.1101/2020.08.24.260901.

Long Name

Membrane Glycoprotein

Alternate Names

M protein

Entrez Gene IDs

43740571 (SARS-CoV-2)

Gene Symbol

M

UniProt

YP_009724393.1

Additional Membrane Products

Product Documents for SARS-CoV-2 Membrane Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for SARS-CoV-2 Membrane Antibody

For research use only

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