R&D Systems™ Recombinant Human IFN-alpha B2/IFNA8 Protein

Description

Recombinant Protein

Measured in anti-viral assays using HeLa human cervical epithelial carcinoma cells infected with encephalomyocarditis (EMC) virus. Meager, A. (1987) in Lymphokines and Interferons, a Practical Approach. Clemens, M.J. et al. (eds): IRL Press. 129. The ED50 for this effect is 1.20-12.0 pg/mL.

Specifications

• Accession Number: P32881.1
• For Use With (Application): Bioactivity
• Formulation: Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
• Gene ID (Entrez): 3445
• Molecular Weight (g/mol): MolecularWeight-observed: 23-27 kDa, under reducing conditions.; MolecularWeight-theroretical: 19 kDa
• Quantity: 10 μg
• Source: Human embryonic kidney cell, HEK293-derived IFN-alpha B2/IFNA8 protein Cys24-Glu189
• Storage Requirements: Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
• Endotoxin Concentration: <0.10 EU / 1 μg of the protein by the LAL method.
• Gene Alias: IFNA8, IFNalpha B2, IFN-alpha B2, IFN-alpha-8, IFN-alphaB, interferon alpha type 201, interferon alpha-8, interferon alpha-B', Interferon alpha-B, Interferon alpha-B2, interferon, alpha 8, LeIF B
• Conjugate: Unconjugated
• Reconstitution: Reconstitute at 100 μg/mL in PBS.
• Purity or Quality Grade: >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
• Protein: IFN-alpha B2/IFN-alpha 8