Specifications

• Conjugation:
  Biotin
• Protein/Peptide Type:
  Recombinant
• Source:
  HEK293 cells
• Species:
  SARS-CoV-2
• Tag sequence:
  His, Avitag™
• Storage Conditions:
  –20 °C
• Endotoxin Content:
  Less than 1.0 EU per μg by the LAL method.
• Biological Activity:
  Measured by its binding ability in a functional ELISA. Immobilized Human ACE2, Fc Tag (Cat. No. AC2-H5257) at 2 μg/mL (100 μL/well) can bind SARS-CoV-2 S protein (R683A, R685A, K986P, V987P), His Tag, active trimer (Cat. No. SPN-C52H9) with a linear range of 0.5-16 ng/mL (QC tested).
• Protein Synonyms:
  Spike glycoprotein|Spike, S protein|S glycoprotein|COVID-19
• Protein/Peptide Name:
  S protein
• Purity:
  >95% as determined by SDS-PAGE.
• Molecular Weight:
  139.7 kDa
• Endotoxin Level:
  Low
• Formulation:
  Lyophilized from 0.22 μm filtered solution in PBS. Normally trehalose is added as protectant before lyophilization.
• Shipping Temperature:
  RT