Recombinant Human Interleukin-7/IL-7 Protein
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- 表达系统： E.coli
- 蛋白编码： P13232
- 应用性： Cell culture
| 别称 |
Lymphopoietin;IL7;IL-7;IL 7;Interleukin 7;Interleukin-7;LP-1;Lymphopoietin 1
|
| 表达系统 |
E.coli
|
| 序列 |
Asp26-His177
|
| 蛋白编码 |
P13232
|
| 种属 |
Human
|
| 计算分子量 |
18.3 kDa
|
| 表观分子量 |
19 kDa
|
| 标签 |
C-His
|
| 生物活性 |
Measured in a cell proliferation assay using PHA-activated human peripheral blood lymphocytes (PBMC). The ED50 for this effect is <0.8 ng/mL. The specific activity of recombinant human IL-7 is > 1 x 108 IU/mg.
|
| 纯度 |
> 95 % as determined by reducing SDS-PAGE.
|
| 内毒素 |
< 0.1 EU per μg of the protein as determined by the LAL method.
|
| 保存条件 |
Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
|
| 运输条件 |
This product is provided as lyophilized powder which is shipped with ice packs.
|
| 制剂 |
Lyophilized from sterile PBS,pH 8.0.
Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| 复溶方法 |
Please refer to the printed manual for detailed information.
|
| 背景 |
Human Interleukin 7 (IL-7) is a potent lymphoid cell growth factor stimulating the proliferation of lymphoid progenitors. IL7 can associate with the hepatocyte growth factor (HGF) to form a hybrid cytokine that functions as a pre-pro-B cell growth-stimulating factor. Human IL7 cDNA encodes a 177 amino acid precursor protein containing a 25 amino acid signal peptide and a 152 amino acid mature protein. Human and mouse IL7 share 65% sequence identity in the mature region and both exhibit cross-species activity. IL-7 signals via IL-7 receptor (IL7R) activating multiple pathways including JaK/STAT and PI3K/AKT; which regulate lymphocyte survival; glucose uptake; proliferation; and differentiation. IL-7 is also associated with cytoplasmic IL2-R gamma for signal transduction.
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实验操作视频
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