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Last updated: 2020/8/2

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S1 (SARS-CoV-2) Recombinant Protein 

  • Catalog # : P6636
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  • Specification
  • Product Description:
  • SARS-CoV-2 S1 (YP_009724390.1, 16 a.a. - 685 a.a.) recombinant protein with His tag at C-terminal expressed in HEK293 cells.
  • Host:
  • Human
  • Theoretical MW (kDa):
  • 75.8
  • Form:
  • Liquid
  • Preparation Method:
  • Mammalian cell (HEK293) expression system
  • Purification:
  • Affinity purification
  • Purity:
  • > 90% by SDS-PAGE; > 95% by HPLC.
  • Endotoxin Level:
  • < 1.0 EU/ug of the protein by LAL method.
  • Activity:
  • A. Measured by its binding ability in a functional ELISA. Immobilized S1 (SARS-CoV-2) Recombinant Protein at 2 ug/mL (100 uL/well) can bind recombinant human ACE2 with a linear range of 0.5-8.7 ng/mL. B. Immobilized human ACE2 on COOH Chip, can bind this protein with an affinity constant of 11.4 nM as determined in a SPR assay (Nicoya OpenSPR).
  • Quality Control Testing:
  • SDS-PAGE Stained with Coomassie Blue

    QC Testing of P6636
    This protein was determined by SDS-PAGE with Coomassie Blue, showing a band at 110-130 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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