| Product name | Human IL-28B Protein, His tag (Animal-Free) |
| Sequence | Amino acid sequence derived from Human IL-28B (Val22-Val196) (Q8IZI9) was expressed with 6×His tag at the C-terminus. |
| Applications | His tag |
| Applications notes | Human |
| Activity | Measure by its ability to protect HepG2 cells infected with encephalomyocarditis (EMC) virus. The ED₅₀ for this effect is <5 ng/mL. |
| Protein length | The recombinant Human IL-28B consists of 175 amino acids and predicts a molecular mass of 25.6 kDa. |
| Preparation method | E.coli |
| Purity | > 95 % as determined by SDS-PAGE |
| Molecular Formula | 25.57 kDa |
| Alternative | interleukin 28B, interferon lambda 3, IFNL3, IFN-lambda-3, IFN-lambda-4, IL28B |
| Formulation | Lyophilized from sterile PBS，pH 8.0. |
| Features & Benefits | <0.01 EU per μg of the protein as determined by the LAL method. |
| Molecular weight | 25.57 kDa |
| Usage notes | Always centrifuge tubes before opening. It is recommended to reconstitute the lyophilized recombinant protein to a concentration of 0.1-1 mg/mL using the buffer we provided, and keep at room temperature for at least 20 min to fully dissolve. Please avoid vortex vigorously. |
| Storage instructions | Lyophilized protein product should be stored desiccated below -18°C. Upon reconstitution, the protein should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (5% HSA,10% FBS or 0.1%BSA). Please prevent freeze-thaw cycles. |
| Shipping | Gel pack with blue ice. |
| Precautions | The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product. |
| Background | Interleukin-28B (IL-28B, now known as Interferon Lambda 3, IFN-λ3) is a 19.77 kDa member of type III IFN family with 176 amino acid residues. IL-28B is expressed by epithelial tissues. Cytokine with antiviral, antitumor and immunomodulatory activities. Able to activate JAK/STAT signaling pathway via binding its receptor IFNLR1 in epithelial cells. |
| Gene ID | 282617 |
| Alternative | interleukin 28B, interferon lambda 3, IFNL3, IFN-lambda-3, IFN-lambda-4, IL28B |
| Accession | Q8IZI9 |
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1.The species of antibody reactivity should be the sample species that can be matched normally after Abbkine R&D experts have passed strict scientific verification. If your sample is not within the range of reactivity, in order to improve the efficiency and results of your experiment, it is not suggested to try other species. Otherwise, it may lead to sample mismatch and affect the effect of your experiment.
2.Please aliquot the antibody received as soon as possible and store it at -20℃, avoid repeated freezing and thawing, and use it within one year.
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