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Your Position: Home > Viral Proteins > S1 protein NTD > S1D-C52H6

SARS-CoV-2 (COVID-19) S1 protein NTD, His Tag

  • Synonym
    S1 protein NTD,Spike protein S1 NTD,BetaCoV S1-NTD,COVID-19
  • Source
    SARS-CoV-2 S1 protein NTD, His Tag (S1D-C52H6) is expressed from human 293 cells (HEK293). It contains AA Ser 13 - Leu 303 (Accession # QHD43416.1).
    Predicted N-terminus: Ser 13
  • Molecular Characterization
    Online(Ser 13 - Leu 303) QHD43416.1

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

    The protein has a calculated MW of 34.9 kDa. The protein migrates as 45-65 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,pH7.3 . 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-CoV-2 S1 protein NTD, His Tag (Cat. No. S1D-C52H6) SDS-PAGE gel

SARS-CoV-2 S1 protein NTD, 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-CoV-2 S1 protein NTD, His TagSARS-CoV-2 S1 protein NTD, His Tag (Cat. No. S1D-C52H6) ELISA bioactivity

Immobilized SARS-CoV-2 S1 protein NTD, His Tag (Cat. No. S1D-C52H6) at 1 μg/mL (100 μL/well) can bind Anti-SARS-CoV-2 S1 protein Antibody, human IgG1 with a linear range of 0.1-3 ng/mL (QC tested).

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Price(USD) : $2310.00

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