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Formulation | Supplied frozen with a carrier protein |
Molecular Weight | 19.5 kDa |
Source | cDNA expressed in E.coli |
Purity |
> 98% by SDS-PAGE stained by Coomassie Blue Endotoxin level < 1 EU/μg |
Bioactivity |
Measured using cytopathic effect inhibition *****s on Bovine (MDBK) cells with VSV and Human (A549) cells with EMCV The EC50 for bovine IFN is ~ 5 U/ml The EC50 for human IFN is ~ 1 U/ml. |
Storage | For retention of full activity store at -70°C or below and avoid repeated freeze/thaw cycles |