Human Recombinant Interferon alpha 2b (concentrated solution)
Cat # Product Name Size
CYT-INFA020
CYT-INFA100
CYT-INFA01M 		Human Interferon-alpha 2b 20 ug
100 ug
1mg

Formulation: rh Interferon alpha 2b, Sodium Acetate 25 mM, Sodium chloride 315 mM; pH 4.2–4.8.

Purity and Identification: SDS-PAGE(reducing and non-reducing): Not more than 3% contaminants, no single contaminant more than 1%.

Peptide Mapping and Isoelectric Focusing determinations with respect to the reference standard Interferon alfa 2b CRS (EDQM)

HPLC: principal peak >95%, no other peak >3%.

Western blot specific antibody identification.

Absence of specific contaminants from host cell derived proteins: less than 50 ppm; and host cell derived DNA (dot blot hybridization): less than 100 pg per 128 ug of protein. Technical Report Series N˚747-WHO.

Sterility Test: USP XXVIII

Safety Test: USPXXVIII

Endotoxin level: <100 EU per mg of protein. (LAL Test).

Biological Activity: Determined according to a cytopathic effect inhibition assay with MDBK cells infected with vesicular stomatitis virus. (Rubinstein S, et al J.Virol.(1981) 37: 755-758, and Pestka S ed. Methods in Enzymology, Vol 78, Academic Press New York, 387-394)

Specific activity: Not less than 140 MIU per mg of protein, according to lot #.

Molecular Mass: 19,400 Da

Source: E. coli

Physical State of the product: frozen (<-20 ˚C)

Shipping conditions: in dry ice, store at <-20 ˚C

Selected References: List of selected References for IFN alpha

Protein Databases: Q86UP4

Customized sizes upon request.

Usage: For research use only. Not for use in diagnostics or therapeutic procedures.

To place an order, please contact our Sales Department at sales@akronbiotech.com

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