| Formulation | Supplied frozen with a carrier protein |
| Molecular Weight | 20 kDa |
| Source | Recombinant Hu-IFN-ω expressed in E.coli |
| Purity |
> 95% by SDS-PAGE stained by Coomassie Blue Endotoxin level < 1 EU/μg |
| Bioactivity | Measured using a cytopathic inhibition ***** on 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 | IFN-ω |