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IL-28A Protein, Human, Recombinant (His) is expressed in yeast with His tag. The predicted molecular weight is 21.1 kDa and the accession number is Q8IZJ0.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 5 μg | $59 | - | In Stock | |
| 10 μg | $94 | - | In Stock | |
| 20 μg | $152 | 7-10 days | 7-10 days | |
| 50 μg | $297 | 7-10 days | 7-10 days | |
| 100 μg | $498 | - | In Stock | |
| 200 μg | $821 | 7-10 days | 7-10 days | |
| 500 μg | $1,590 | 7-10 days | 7-10 days |
| Biological Activity | Measured in antiviral assays using HepG2 cells infected with vesicular stomatitis virus. The ED50 for this effect is 1.7-6.8 μg/mL. ![]() |
| Description | IL-28A Protein, Human, Recombinant (His) is expressed in yeast with His tag. The predicted molecular weight is 21.1 kDa and the accession number is Q8IZJ0. |
| Species | Human |
| Expression System | P. pastoris (Yeast) |
| Tag | C-His |
| Accession Number | Q8IZJ0 |
| Synonyms | ZCYTO20,interferon, λ2,interferon, lambda 2,IL-28A,IL28A |
| Construction | A DNA sequence encoding the human IFNL2 (NP_742150.1) (Val26-Val200) was expressed with a polyhistidine tag at the C-terminus. Predicted N terminal: VAL |
| Protein Purity | > 90 % as determined by SDS-PAGE. ![]() |
| Molecular Weight | 21.1 kDa (predicted) |
| Endotoxin | Please contact us for more information. |
| Formulation | Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization. |
| Reconstitution | A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information. |
| Stability & Storage | It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots. |
| Shipping | In general, Lyophilized powders are shipping with blue ice. |
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