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Your Position: Home > Viral Proteins > S protein RBD > SPD-S52H6

SARS S protein RBD, His Tag (MALS verified)

  • Synonym
    Spike,S protein RBD,Spike glycoprotein Receptor-binding domain,S glycoprotein RBD,Spike protein RBD
  • Source
    SARS S protein RBD, His Tag (SPD-S52H6) is expressed from human 293 cells (HEK293). It contains AA Arg 306 - Phe 527 (Accession # AAP13567.1).
    Predicted N-terminus: Arg 306
  • Molecular Characterization
    Online(Arg 306 - Phe 527) AAP13567.1

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

    The protein has a calculated MW of 26.9 kDa. The protein migrates as 33-40 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.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, 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 S protein RBD, His Tag (Cat. No. SPD-S52H6) SDS-PAGE gel

SARS 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%.

SEC-MALS
SARS S protein RBD, His Tag (Cat. No. ) MALS images

The purity of SARS S protein RBD, His Tag (Cat. No. SPD-S52H6) was more than 90% and the molecular weight of this protein is around 30-40 kDa verified by SEC-MALS.

Bioactivity-ELISA
SARS S protein RBD, His TagSARS S protein RBD, His Tag (Cat. No. SPD-S52H6) ELISA bioactivity

Immobilized SARS S protein RBD, His Tag (Cat. No. SPD-S52H6) at 2 μg/mL (100 μL/well) can bind Human ACE2, Fc Tag (Cat. No. AC2-H5257) with a linear range of 0.2-4 ng/mL (QC tested).

SARS S protein RBD, His TagSARS S protein RBD, His Tag (Cat. No. SPD-S52H6) ELISA bioactivity

Immobilized SARS S protein RBD, His Tag (Cat. No. SPD-S52H6) at 2 μg/mL (100 μL/well) can bind Monoclonal Anti-SARS-CoV-S protein RBD Antibody, Human IgG1 with a linear range of 0.1-3 ng/mL (Routinely tested).

Bioactivity-BLI
Human_FcRn_Heterodimer_Protein_Bli

Loaded Human ACE2, Fc Tag (Cat. No. AC2-H5257) on Protein A Biosensor, can bind SARS S protein RBD, His Tag (Cat. No. SPD-S52H6) with an affinity constant of 17.3 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

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Price(USD) : $350.00

Price(USD) : $2310.00

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