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IL-31 Protein, Mouse, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 17.1 kDa and the accession number is Q6EAL8.

| Pack Size | Price | Availability | Quantity | 
|---|---|---|---|
| 5 μg | $66 | 7-10 days | |
| 10 μg | $106 | In Stock | |
| 20 μg | $166 | 7-10 days | |
| 50 μg | $296 | 7-10 days | |
| 100 μg | $447 | 7-10 days | |
| 200 μg | $677 | 7-10 days | |
| 500 μg | $1,160 | 7-10 days | 
| Biological Activity | Activity testing is in progress. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.  | 
| Description | IL-31 Protein, Mouse, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 17.1 kDa and the accession number is Q6EAL8.  | 
| Species | Mouse  | 
| Expression System | HEK293 Cells  | 
| Tag | C-His | 
| Accession Number | Q6EAL8 | 
| Synonyms | interleukin 31,1700013B14Rik  | 
| Construction | A DNA sequence encoding the mouse Il31 (NP_083870.1) (Met1-Cys163) was expressed with a polyhistidine tag at the C-terminus. Predicted N terminal: Thr 24  | 
| Protein Purity | > 85 % as determined by SDS-PAGE ![]()  | 
| Molecular Weight | 17.1 kDa (predicted) | 
| 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 7.4. 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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