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Description
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Key Properties
−| Source | Escherichia coli |
|---|---|
| Expression System | Escherichia coli |
| Biological Activity | Fully biologically active when compared to standard. The specific activity determined by an anti-viral assay is no less than 3.0 x107 IU/mg. |
| Endotoxins | Less than 1 EU/ug of rHuIFN-β1b as determined by LAL method. |
| MW | Approximately 20.0 kDa, a single non-glycosylated polypeptide chain containing 166 amino acids. |
| Purity | > 97 % by SDS-PAGE and HPLC analyses. |
| Protein Sequence | MSYNLLGFLQ RSSNFQCQKL LWQLNGRLEY CLKDRMNFDI PEEIKQLQQF QKEDAALTIY EMLQNIFAIF RQDSSSTGWN ETIVENLLAN VYHQINHLKT VLEEKLEKED FTRGKLMSSL HLKRYYGRIL HYLKAKEYSH CAWTIVRVEI LRNFYFINRL TGYLRN |
Storage & Handling
−| Storage | 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. |
|---|---|
| Form/Appearance | Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4, containing 2 % HSA and 3 % mannitol. |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Similar Products
−Human Interferon-beta1b protein [orb223801]
SDS-PAGE
Unconjugated
> 97% by SDS-PAGE and HPLC analyses
20.0 kDa
E. coli
10 μg, 100 μg, 500 μg
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