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IFN-beta Recombinant Protein (Animal Free)

CATALOG NUMBER: 40-748

Specifications
source-species:
E. coli
Species:
Human
source-species:
E. coli
Recombinant Protein Sequence:
MSYNLLGFLQ RSSNFQCQKL LWQLNGRLEY CLKDRMNFDI PEEIKQLQQF QKEDAALTIY EMLQNIFAIF RQDSSSTGWN ETIVENLLAN VYHQINHLKT VLEEKLEKED FTRGKLMSSL HLKRYYGRIL HYLKAKEYSH CAWTIVRVEI LRNFYFINRL TGYLRN
Biological Activity:
Determined by its ability to stimulate the proliferation of human TF-1 cells. The expected ED50 is ≤ 0.25 ng/ml, corresponding to a specific activity of ≥ 4 x 106 units/mg.
Purity:
≥ 95% by SDS-PAGE gel and HPLC analyses.
physical-state:
Lyophilized
Storage Conditions:
The recombinant protein is stable for at least 2 years from date of receipt at -20°C. Reconstituted protein is stable for at least 3 months when stored in working aliquots with a carrier protein at -20°C. As with any protein, exposing the recombinant protein to repeated freeze / thaw cycles is not recommended. When working with proteins care should be taken to keep recombinant protein at a cool and stable temperature.
Ncbi Official Symbol:
IFNB1
Additional Names:
Leukocyte interferon, B cell interferon, Type I interferon
Ncbi Gene Id Number:
3456
Background:
Proteins of this family play an important role in inducing non-specific resistance against a broad range of viral infections. They also affect cell proliferation and modulate immune responses. Produced by peripheral blood leukocytes and lymphoblastoid cells, IFN-α is an acid-stable molecule that signals through IFN-α/βR, which is also used by IFN-β. Both IFNs have similar anti-viral activity and regulate expression of MHC class I antigens. IFN-α contains four highly conserved cysteine residues that form two disulfide bonds, one of which is necessary for biological activity. Recombinant Human IFN-β is a 20.0 kDa protein containing 166 amino acid residues.

FOR RESEARCH USE ONLY

For additional information, visit ProSci’s Terms & Conditions Page.

Disclaimer:
This product is for research use only.

CATALOG NUMBER:

40-748

List Size:
5 ug

List Price:

$232.00

Datasheet
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