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Your Position: Home > Viral Proteins > Nucleocapsid protein > NUN-S5229

SARS Nucleocapsid protein, His Tag

  • Synonym
    Nucleocapsid protein,NP,Protein N,COVID-19
  • Source
    SARS Nucleocapsid protein, His Tag (NUN-S5229) is expressed from human 293 cells (HEK293). It contains AA Met 1 - Ala 422 (Accession # NP_828858.1).
    Predicted N-terminus: Met 1
  • Molecular Characterization
    Online(Met 1 - Ala 422) NP_828858.1

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 47.7 kDa. The protein migrates as 30-33 kDa and 55-60 kDa under reducing (R) condition (SDS-PAGE) due to Glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >90% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, Arginine, pH7.4,. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
SARS Nucleocapsid protein, His Tag (Cat. No. NUN-S5229) SDS-PAGE gel

SARS Nucleocapsid protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

Bioactivity-ELISA
SARS Nucleocapsid protein, His TagSARS Nucleocapsid protein, His Tag (Cat. No. NUN-S5229) ELISA bioactivity

Immobilized SARS Nucleocapsid protein, His Tag (Cat. No. NUN-S5229) at 1 μg/mL (100 μL/well) can bind Anti-SARS-CoV-2 Nucleocapsid Antibody, Human IgG1 (Cat. No. NUN-S41) ) with a linear range of 0.1-2 ng/mL (QC tested).

  • Background
    Nucleocapsid protein is a most abundant protein of coronavirus. Nucleocapsid protein is a highly immunogenic phosphoprotein also implicated in viral genome replication and in modulating cell signaling pathways. While screening for ADP-ribosylated proteins during coronavirus (CoV) infection, we identified as the viral nucleocapsid (N) protein. Novel post-translation modification of the CoV N protein that may play a regulatory role for this important structural protein. The array of diverse functional activities accommodated in the hantaviral N protein goes far beyond to be a static structural protein and makes it an interesting target in the development of antiviral therapeutics. Because of the conservation of N protein sequence and its strong immunogenicity, the N protein of coronavirus is chosen as a diagnostic tool.
  • References
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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