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R&D Systems™ Recombinant Human IFN-beta Protein

Catalog No. 8499IF010CF
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10 μg
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84-99I-F010CF 10 μg
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Catalog No. 84-99I-F010CF Supplier R&D Systems™ Supplier No. 8499IF010/CF
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Description

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

The Recombinant Human IFN-beta Protein is derived from CHO. The Recombinant Human IFN-beta Protein has been validated for the following applications: Bioactivity.

Specifications

Accession Number P01574
For Use With (Application) Bioactivity
Gene ID (Entrez) 3456
Molecular Weight (g/mol) Observed M.W.: 20-26kDa, reducing conditions, Theoretical M.W.: 20kDa
Quantity 10 μg
Source Chinese Hamster Ovary cell line,CHO-derived human IFN-beta protein Met22-Asn187
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.
Endotoxin Concentration <0.10 EU per 1μg of the protein by the LAL method.
Gene Alias Fibroblast interferon, IFB, IFBIFNB, IFF, IFNB, IFNB1, IFNbeta, IFN-beta, interferon beta, interferon, beta 1, fibroblast, MGC96956
Common Name IFN-beta
Gene Symbol IFNB1
Biological Activity 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 typically 5-30 pg/mL. The specific activity of Recombinant Human IFN-beta is approximately 2.8 x 108 IU/mg, which is calibrated against human IFN-beta WHO International Standard (NIBSC code: 00/572).Standard (NIBSC code: 00/572).
Conjugate Unconjugated
Species Human
Recombinant Recombinant
Expression System Chinese Hamster Ovary cell line, CHO-derived Met22-Asn187
Purity or Quality Grade >95%, by SDS-PAGE with Silver Staining
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