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IL-31 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 17.3 kDa and the accession number is Q6EBC2.

| 规格 | 价格 | 库存 | 数量 | 
|---|---|---|---|
| 5 μg | ¥ 638  | 6-8日内发货 | |
| 10 μg | ¥ 1,050  | In stock | |
| 20 μg | ¥ 1,570  | 5日内发货 | |
| 50 μg | ¥ 2,630  | 5日内发货 | |
| 100 μg | ¥ 3,930  | 5日内发货 | |
| 200 μg | ¥ 6,930  | 5日内发货 | |
| 500 μg | ¥ 14,600  | 5日内发货 | 
| 生物活性 | Measured by its ability to induce STAT3 activation in U‑87 cells. The ED50 for this effect is 11-45 ng/mL. ![]()  | 
| 产品描述 | IL-31 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 17.3 kDa and the accession number is Q6EBC2.  | 
| 种属 | Human  | 
| 表达系统 | HEK293 Cells  | 
| 标签 | C-His | 
| 蛋白编号 | Q6EBC2 | 
| 别名 | 白细胞介素,白介素,interleukin 31,IL-31  | 
| 蛋白构建 | A DNA sequence encoding the human IL31 (NP_001014358.1) (Met1-Thr164) was expressed with a polyhistidine tag at the C-terminus. Predicted N terminal: Ser 24  | 
| 蛋白纯度 | > 95 % as determined by SDS-PAGE ![]()  | 
| 分子量 | 17.3 kDa (predicted); 31.8 kDa (reducing condition, due to glycosylation) | 
| 内毒素 | < 1.0 EU/μg of the protein as determined by the LAL method. | 
| 蛋白性状 | Lyophilized powder | 
| 缓冲液 | 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. | 
| 复溶方法 | A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.  | 
| 存储 | 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.  | 
| 运输方式 | In general, Lyophilized powders are shipping with blue ice. |