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R&D Systems™ Recombinant Human IFN-alpha-2B Protein

Product Code. 18777796
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Quantity:
10 μg
50 μg
Unit Size:
10µg
50µg
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Product Code. 18777796

Brand: R&D Systems™ 11013IF050

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This item is not returnable. View return policy

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 fot this effect is 3.00-60.0 pg/mL.
TRUSTED_SUSTAINABILITY

Specifications

Accession Number NP_000596.2
For Use With (Application) Bioactivity
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Gene ID (Entrez) 3440
Molecular Weight (g/mol) M.W.-observed: 18-22 kDa, under reducing conditions., M.W.-theroretical: 19 kDa
Quantity 50 μg
Source Human embryonic kidney cell, HEK293-derived human IFN-alpha protein Cys24-Glu188
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 IFNA, IFNA2, IFNA2b, IFNalpha, IFN-alphaA, INFA2, interferon alpha 2, LeIF D
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
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