Formulation | Supplied frozen in phosphate-buffered saline (PBS) containing 0.1% bovine serum albumin (BSA) |
Molecular Weight | 18.8 kDa |
Source | Rat Alpha 14 gene expressed in mammalian cells |
Purity | Greater than 95% |
Bioactivity |
Measured on rat epithelial-like cells (RATEC) challenged with VSV in the presence of 2 mM Glutathione. For full activity, it is recommended that the reducing agent glutathione is added to the culture medium. IFN was titrated with the use of the cytopathic effect inhibition *****. Typical Activity (EC50) is 2-10 pg/ml. |
Storage | For retention of full activity store at -70°C or below and avoid repeated freeze/thaw cycles |