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Your Position: Home > Viral Proteins > S protein RBD > SPD-C52H1
  • Synonym
    Spike,S protein RBD,Spike glycoprotein Receptor-binding domain,S glycoprotein RBD,Spike protein RBD,COVID-19
  • Source
    SARS-CoV-2 S protein RBD, His Tag (SPD-C52H1) is expressed from human 293 cells (HEK293). It contains AA Arg 319 - Lys 537 (Accession # QHD43416.1).
    Predicted N-terminus: Arg 319
  • Molecular Characterization
    Online(Arg 319 - Lys 537) QHD43416.1

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

    The protein has a calculated MW of 26.5 kDa. The protein migrates as 32-35 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

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

    >95% as determined by SDS-PAGE.

  • Formulation

    Delivered as bulk protein in a 0.2 μm filtered solution of PBS, pH7.4.

    Contact us for customized product form or formulation.

  • Storage

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. The product MUST be stored at -70°C or lower upon receipt;

    2. -70°C for 3 months under sterile conditions.

  • Shipping
    This product is supplied as sterile liquid solution and shipped frozen with dry ice, please inquire the shipping cost.
SDS-PAGE
SARS-CoV-2 S protein RBD, His Tag (Cat. No. SPD-C52H1) SDS-PAGE gel

SARS-CoV-2 S protein RBD, 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 95%.

Bioactivity-ELISA
SARS-CoV-2 S protein RBD, His TagSARS-CoV-2 S protein RBD, His Tag (Cat. No. SPD-C52H1) ELISA bioactivity

Immobilized SARS-CoV-2 S protein RBD, His Tag (Cat. No. SPD-C52H1) at 1 μg/mL (100 μL/well) can bind Anti-SARS-CoV-2 Neutralizing Antibody, Human IgG1 (Cat. No. SAD-S35) ) with a linear range of 0.1-3 ng/mL (QC tested).

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