IFN a 2b Human, 20 kd PEG

  • Name
  • Description
  • Pricings
  • Quantity
  • IFN a 2b Human, 20 kd PEG
  • Interferon-alpha 2b 20kd-Pegylated Human Recombinant
  • Shipped with Ice Packs

Catalogue number



Interferon alpha 2b, IFNA, INFA2, MGC125764, MGC125765.


IFN-alpha is produced by macrophages and has antiviral activities. Interferon stimulates the production of two enzymes: protein kinase and an oligoadenylate synthetase.


Interferon-a 2b Human Recombinant produced in E.coli is a single, non-glycosylated, polypeptide chain containing 165 amino acids and having a molecular mass of 19269 Dalton. The Pegylated IFN-a 2b is produced by attaching a 20kDa mPEG-aldehyde to the N-terminal IFN alpha-2b.
Interferon-a 2b is purified by proprietary chromatographic techniques.


Escherichia Coli.

Physical Appearance

Colorless, clear and transparent solution.


IFN-a 2b is supplied in solution (1.48mg/ml) containing 20mM Acetate Buffer (pH 6.0), 0.8%NaCl and 0.005% Polysorbate 80.


IFN alpha-2b PEG should be stored refrigerated at 2° to 8°C. Vials should be kept in their packaging to protect from light until the time of use.
Shaking and freezing should be avoided.


Greater than 97.0% as determined by SEC-HPLC.

Biological Activity

The specific activity as determined in a viral resistance assay using VSV-WISH cells was found to be 3,000,000 IU/mg.


ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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