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Key Properties
−| Source | Yeast |
|---|---|
| Expression System | Yeast |
| Biological Activity | Fully biologically active when compared to standard. The specific activity determined by an anti-viral assay is no less than 1.6 x108 IU/mg. |
| Endotoxins | Less than 0.1 EU/ug of rHuIFN-α2b, Yeast as determined by LAL method. |
| MW | Approximately 19.3 kDa, a single polypeptide chain containing 165 amino acids. |
| Purity | > 98 % by SDS-PAGE and HPLC analyses. |
| Protein Sequence | CDLPQTHSLG SRRTLMLLAQ MRRISLFSCL KDRHDFGFPQ EEFGNQFQKA ETIPVLHEMI QQIFNLFSTK DSSAAWDETL LDKFYTELYQ QLNDLEACVI QGVGVTETPL MKEDSILAVR KYFQRITLYL KEKKYSPCAW EVVRAEIMRS FSLSTNLQES LRSKE |
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 solution in PBS, pH 7.4, with 0.02 % Tween-20. |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
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Quick Database Links
UniProt
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Protocol Information
Protein Handling and Storage Guide
Protein Handling Guide
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