Formulation

Supplied frozen in phosphate-buffered saline (PBS) containing 0.1% Bovine Serum Albumin (BSA)

Molecular Weight

19.5 kDa

Source

Gene obtained from Murine (C57/BI) DNA expressed in mammalian cells

Purity

> 95% by SDS-PAGE stained by Coomassie Blue
Endotoxin level < 1 EU/μg

Bioactivity

Measured using a cytopathic inhibition assay on Mouse (L929) cells with EMCV.
The EC₅₀ for IFN in this assay is ~ 5 U/ml.

Storage

For retention of full activity store at -70^oC or below and avoid repeated freeze/thaw cycles

Synonyms

Mu IFN-α4, Mouse IFN Alpha Subtype, Mouse IFN Protein Subtype, Interferon Alpha, IFN Alpha, IFN-a, Type I IFN Alpha

Accession Number

NM_010504