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Your Position: Home > Viral Proteins > S protein RBD > SPD-C52H2

SARS-CoV-2 (COVID-19) S protein RBD, His Tag

This product is specifically designed for serological test development.
  • 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-C52H2) is expressed from human 293 cells (HEK293).
  • Molecular Characterization

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

    The protein has a calculated MW of 24.7 kDa. The protein migrates as 30-35 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

    Delivered as bulk protein in a 0.2 μm filtered solution of PB, 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-C52H2) 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 90%.

Bioactivity-ELISA
SARS-CoV-2 S protein RBD, His TagSARS-CoV-2 S protein RBD, His Tag (Cat. No. SPD-C52H2) ELISA bioactivity

Immobilized SARS-CoV-2 S protein RBD, His Tag (Cat. No. SPD-C52H2) at 1 μg/mL (100 μL/well) can bind Anti-SARS-CoV-2 RBD Neutralizing Antibody, Human IgG1 (Cat. No. SAD-S35) ) with a linear range of 0.2-3 ng/mL (QC tested).

  • Background
    It's been reported that SARS-CoV-2 can infect the human respiratory epithelial cells through interaction with the human ACE2 receptor. The spike protein is a large type I transmembrane protein containing two subunits, S1 and S2. S1 mainly contains a receptor binding domain (RBD), which is responsible for recognizing the cell surface receptor. S2 contains basic elements needed for the membrane fusion.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity.
  • References
    • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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    DMF (Drug Master File)

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