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IL-13 Protein, Mouse, Recombinant is expressed in HEK293 mammalian cells. The predicted molecular weight is 12.35 kDa and the accession number is P20109.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 5 μg | $68 | In Stock | |
| 10 μg | $108 | 7-10 days | |
| 20 μg | $177 | In Stock | |
| 50 μg | $318 | 7-10 days | |
| 100 μg | $498 | In Stock | |
| 200 μg | $851 | 7-10 days | |
| 500 μg | Preferential | 7-10 days |
| Biological Activity | Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is typically 2-12 ng/mL. ![]() |
| Description | IL-13 Protein, Mouse, Recombinant is expressed in HEK293 mammalian cells. The predicted molecular weight is 12.35 kDa and the accession number is P20109. |
| Species | Mouse |
| Expression System | HEK293 Cells |
| Tag | Tag Free |
| Accession Number | P20109 |
| Synonyms | interleukin 13,Il-13 |
| Construction | A DNA sequence encoding the mouse IL13 (P20109) (Met1-Phe131) was expressed and purified. Predicted N terminal: Ala 19 |
| Protein Purity | > 90 % as determined by SDS-PAGE ![]() |
| Molecular Weight | 12.35 kDa (predicted); 14 kDa (reducing conditions) |
| Endotoxin | < 1.0 EU/μg of the protein as determined by the LAL method. |
| Formulation | Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.5. 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. |
| Research Background | Interleukin 13 (IL-13) is a single-chain glycosylated polypeptide, which belongs to the IL-13/IL-4 family. IL-13 protein is secreted by many cell types, but especially by T helper type 2 (Th2) cells. IL-13 exerts its effects through a multi-subunit receptor comprising the alpha chain of the IL-4 receptor (IL-4Rα) and at least one of two known IL-13-specific binding chains (IL-13 Rα1 and IL-13 Rα2). As a cytokine, IL-13 protein is critical in regulating inflammatory, immune responses, and diseases. Also, it inhibits the production of pro-inflammatory cytokines and chemokines, and thus down-regulates macrophage activity. IL-13 protein and antibody are more importantly implicated as a central mediator of immunoregulatory processes in various cell types.Cancer ImmunotherapyImmune CheckpointImmunotherapyTargeted Therapy |

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