Specifications

• Conjugation:
  Unconjugated
• Protein Function:
  Cytokine
• Protein/Peptide Type:
  Recombinant
• Source:
  E. coli
• Species:
  Human
• Storage Conditions:
  –20 °C
• Endotoxin Content:
  Endotoxin LAL (EU/µg) ≤0.1
• Biological Activity:
  Bioactivity assay: B9 cell proliferation; ED50 ≤5 ng/ml; Bioactivity ≥2.0×10⁵ units/mg
• Gene ID:
  Q9HBE4
• Reconstitution Instructions:
  Sterile water at 0.1 mg/ml
• Endotoxin-free:
  N
• Carrier-Free:
  Y
• Protease-free:
  N
• Animal-Free:
  Y
• Protein/Peptide Name:
  IL-21
• Purity:
  ≥97%
• Molecular Weight:
  15.4 kDa
• Sequence:
  MQDRHMIRMR QLIDIVDQLK NYVNDLVPEF LPAPEDVETN CEWSAFSCFQ KAQLKSANTG NNERIINVSI KKLKRKPPST NAGRRQKHRL TCPSCDSYEK KPPKEFLERF KSLLQKMIHQ HLSSRTHGSE DS
• Endotoxin Level:
  Low
• Formulation:
  10 mM sodium phosphate, pH 7.5
• Nuclease-free:
  N
• Grade:
  RUO
• Shipping Temperature:
  RT
• Tested Applications:
  Bioassay