SARS-CoV-2 NSP16 Antibody (1044327)

R&D Systems | Catalog # MAB10979

R&D Systems

Key Product Details

Species Reactivity

SARS-CoV-2

Applications

Western Blot, Simple Western

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2A Clone # 1044327
View all NSP16 Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived SARS-CoV-2 NSP16/NSP10 protein
(Ser1-Asn298) and (Ala1-Gln139)
Accession # YP_009725311.1 and YP_00972530

Specificity

Detects SARS-CoV-2 NSP16/NSP10 His-tag Complex in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2A

Scientific Data Images for SARS-CoV-2 NSP16 Antibody (1044327)

Detection of SARS-CoV-2 NSP16 by Western Blot.

Western blot shows recombinant SARS-CoV-2 NSP16/NSP10. PVDF membrane was probed with 1 µg/mL of Mouse Anti-SARS-CoV-2 NSP16 Monoclonal Antibody (Catalog # MAB10979) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (HAF018). A specific band was detected for NSP16 at approximately 34 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1.

Detection of SARS-CoV-2 NSP16 by Simple WesternTM.

Simple Western lane view shows recombinant SARS-CoV-2 Nsp10/Nsp16, loaded at 0.2 mg/mL. A specific band was detected for NSP16 at approximately 40 kDa (as indicated) using 20 µg/mL of Mouse Anti-SARS-CoV-2 NSP16 Monoclonal Antibody (Catalog # MAB10979). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Applications for SARS-CoV-2 NSP16 Antibody (1044327)

Application
Recommended Usage

Simple Western

20 µg/mL
Sample: Recombinant SARS-CoV-2 Nsp10/Nsp16

Western Blot

1 µg/mL
Sample: Recombinant SARS-CoV-2 NSP16/NSP10

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.

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: NSP16

Non-structural protein 16 (NSP16) and NSP10 are two of several functional proteins released by ORF1a-encoded protease cleavage of the pp1a and pp1ab replicase polyproteins expressed from the coronavirus (CoV) genome (1). The NSPs are involved in the replication and transcription of the viral RNA and not incorporated within the virion particles. Coronaviruses include various highly pathogenic strains such as SARS-CoV, MERS-CoV and SARS-CoV2 that have had significant impact on humans as well as strains that have negatively impacted livestock. NSP16 is a small monomeric 298 amino acid protein with a characteristic fold of the class I methyltransferase (MTase) family with a seven-stranded B-sheet surrounded by alpha-helices and loops that bind the cap and form a cap-binding groove and S-adenosylmethionine (SAM) cleft (2,3). NSP10 is a small 139 amino acid protein capable of forming independent dodecameric structures composed of four identical trimers where each monomer is capable of binding two zinc ions (4,5). Both the NSP16 and NSP10 SARS-CoV2 sequences are highly conserved across coronaviruses (3). NSP16 catalyzes 2'-O-MTase activity specifically on capped N7-methylated RNA through methylation of the 2'-hydroxy group of adenine using SAM as a methyl donor (6). The viral RNA cap structure protects it from degradation, promotes mRNA translation, and prevents the viral RNA from being recognized by innate immune mechanisms (7). NSP16 was shown to interact strongly with NSP10 (8) in a monomeric form via hydrophic interactions and hydrogen bonds in the interface (3). The MTase activity of NSP16 requires interaction with NSP10 (2,7). NSP10 interaction extends and narrows the RNA-binding groove that accommodates the substrate and stabilizes NSP16 (2,3,9). The dimerization interface between NSP16 and NSP10 is critical and can be used as a target to effectively reduce replication and pathogenesis (10,11).

References

  1. Snijder, E.J. et al. (2016) Adv. Virus Res 96:59.
  2. Chen, Y. et al. (2011) PLoS Pathog. 7:e1002294.
  3. Rosas-Lemus, M. et al. (2020) bioRxiv In press.
  4. Matthes, N. et al. (2006) FEBS Lett. 580:4143.
  5. Su, D. et al. (2006) J. Virol. 80:7902.
  6. Bouvet, M. et al. (2012) Proc. Natl. Acad. Sci. U.S.A. 109:9372.
  7. Decroly, E. et al. (2011) PLoS Pathog. 7:e1002059.
  8. Pan, J. et al. (2008) PLoS One 3:e3299.
  9. Bouvet, M. et al. (2014) J. Biol. Chem. 289:25783.
  10. Ma, Y. et al. (2015) Proc. Natl. Acad. Sci. 112:9436.
  11. Wang, Y. et al. (2015) J. Virol 89:8416.

Long Name

Non-Structural Protein 16

UniProt

YP_009725311.1 and YP_00972530

Additional NSP16 Products

Product Documents for SARS-CoV-2 NSP16 Antibody (1044327)

Certificate of Analysis

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Product Specific Notices for SARS-CoV-2 NSP16 Antibody (1044327)

For research use only

Related Research Areas

Infectious Diseases

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