Human IFN Alpha 2 (Alpha 2b)

Product Features: 
  • Human IFN Alpha 2b recombinant protein expressed in E.coli
  • 95% or greater purity
  • Less than 1 endotoxin unit per microgram (< 1 EU/µg)


Catalog No. Pack Size Price Quantity

1 x 105 units



Formulation Supplied frozen in phosphate-buffered saline (PBS) containing 0.1% Bovine Serum Albumin (BSA)
Molecular Weight 19.3 kDa
Source Human leukocyte interferon alpha 2b cDNA expressed in E.coli
Purity > 95% by SDS-PAGE stained by Coomassie Blue
Bioactivity Measured using a cytopathic inhibition assay on Bovine Kidney Cells (MDBK) with Vesicular Stomatis Virus (VSV); human lung carcinoma cell line A549 with encephalomyocarditis virus (EMCV)
Storage For retention of full activity store at -70°C or below and avoid repeated freeze/thaw cycles
Synonyms Interferon alpha 2, IFNa2, IFN alpha2b, IFN alpha, IFN-a, interferon alpha, IFN alpha 2, IFN-a2, alpha interferon, interferon alfa, IFN alfa, interferon a, interferon alpha 2b, IFN alpha 2b, Type I interferon alpha, Type I IFN alpha
Accession Number V00548

Tech Info / Data

Application Notes

  • Polyclonal Antibodies Neutralization of Human Interferon Alpha (link
  • A Comparison of the Binding of Interferon Alpha Subtypes to Isolated IFNAR1 and IFNAR2 with Activity in Antiviral and Antiproliferative Assays (link)

IFN alpha 2 (alpha 2b) is one of the many interferon alpha subtypes belonging to the Type I leukocyte IFN family. The Type I IFN family has antiviral, anti-proliferative and natural killer cell activities.


Human IFN Alpha A (Alpha 2b) Titration in A549

Titration of Human Interferon Alpha A (Alpha 2b) in the A549 Cell Line

Related Products

Catalog No. Description Pack Size Price Quantity
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11100-1 Human Interferon Alpha A (Alpha 2a)

5 x 106 units

11101-1 Human Interferon Alpha A (Alpha 2a), carrier-free

5 μg


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