R&D Systems™ Recombinant Mouse IFN-alpha 4 Protein

Measured in an anti-viral assay using L-929 mouse fibroblast cells infected with encephalomyocarditis (EMC) virus. ED50 for this effect is <60 pg/mL.

Catalog Number	Mfr. No.	Quantity
10-259-IF010	R&D Systems™ 10259IF010	10 μg
10-259-IF050	R&D Systems™ 10259IF050	50 μg

Specifications

• Accession Number: P07351
• Gene ID (Entrez): 3441
• Name: IFNA4, IFNalpha 4, IFN-alpha-4, IFN-alpha4a, INFA4, interferon alpha-4, Interferon alpha-4B, Interferon alpha-76, Interferon alpha-M1, interferon, alpha 4, MGC142200
• Storage Requirements: Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after reconstitution. 3 months, -20 to -70 °C under sterile conditions after reconstitution.
• Species: Mouse
• Buffer: Lyophilized from a 0.2 μm filtered solution in PBS.
• Purity or Quality Grade: >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.

• For Use With (Application): Bioactivity
• Molecular Weight (g/mol): 19 kDa
• Source: Human embryonic kidney cell, HEK293-derived mouse IFN-alpha 4 protein Leu23-Glu186
• Conjugate: Unconjugated
• Reconstitution: Reconstitute at 100 μg/mL in PBS.
• Endotoxin Level: <0.10 EU per 1 μg of the protein by the LAL method.