Specifications

• Protein/Peptide Type:
  Recombinant
• Source:
  HEK293 cells
• Species:
  Human
• Storage Conditions:
  –20 °C
• Endotoxin Content:
  Less than 1.0 EU per μg by the LAL method.
• Biological Activity:
  Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.; Measured by its binding ability in a functional ELISA. Immobilized Human IL-21 R, Fc Tag (Cat. No. ILR-H5257) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-21, Fc,Avitag (Cat. No. IL1-H82F7) with a linear range of 1-10 ng/mL (QC tested).
• Gene ID:
  Q9HBE4-1
• Carrier-Free:
  Y
• Protease-free:
  Y
• Animal-Free:
  Y
• Protein Synonyms:
  IL21|Za11|Interleukin-21
• Protein/Peptide Name:
  IL-21
• Purity:
  >90%
• Molecular Weight:
  43.9 kDa
• Endotoxin Level:
  Low
• Formulation:
  Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.
• Nuclease-free:
  Y
• Shipping Temperature:
  Powder,RT