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Last updated: 2021/1/17

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S (SARS-CoV-2) RBD Recombinant Protein Coronavirus

  • Catalog # : P6631
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  • Specification
  • Product Description:
  • SARS-CoV-2 S RBD (YP_009724390.1, 319 a.a. - 541 a.a.) recombinant protein with His tag at C-terminal expressed in HEK293 cells.
  • Host:
  • Human
  • Theoretical MW (kDa):
  • 25.9
  • Form:
  • Liquid
  • Preparation Method:
  • Mammalian cell (HEK293) expression system
  • Purification:
  • Affinity purification
  • Purity:
  • > 95% by SDS-PAGE.
  • Endotoxin Level:
  • < 0.1 EU/ug of the protein by LAL method.
  • Activity:
  • A. Measured by its binding ability in a functional ELISA. Immobilized S (SARS-CoV-2) RBD Recombinant Protein at 2 ug/mL (100 uL/well) can bind recombinant human ACE2 with a linear range of 1.5-9.4 ng/mL. B. Immobilized human ACE2 on COOH Chip, can bind this protein with an affinity constant of 36.7 nM as determined in a SPR assay (Nicoya OpenSPR).
  • Quality Control Testing:
  • SDS-PAGE Stained with Coomassie Blue

    QC Testing of P6631
    This protein was determined by SDS-PAGE with Coomassie Blue, showing a band at 36 kDa.
  • Storage Buffer:
  • In PBS, pH 7.4.
  • Storage Instruction:
  • Store at -80°C.
    Aliquot to avoid repeated freezing and thawing.
  • Note:
  • Result of bioactivity analysis

  • Applications
  • SDS-PAGE
  • Application Image
  • SDS-PAGE
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