Recombinant Human IL-9 protein(His Tag)

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- 表达系统: E.coli
- 蛋白编码: P15248
- 应用性: Cell culture
别称 |
Cytokine P;Interleukin;TCGF;IL9;HP40;IL-9;P40;Cytokine P40;Interleukin-9;P40 Cytokine;P40 T-cell and Mast Cell Growth Factor;T-cell Growth Factor P40;TCGF3;TCGFIII
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表达系统 |
E.coli
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序列 |
Gln 19-Ile 144
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蛋白编码 |
P15248
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种属 |
Human
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计算分子量 |
14.9 kDa
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表观分子量 |
19 kDa
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标签 |
N-His
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生物活性 |
Measure by its ability to induce proliferation in MO7e cells. The ED50 for this effect is <0.25 ng/mL. The specific activity of recombinant human IL-9 is approximately >5 x106 IU/ mg.
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纯度 |
> 98 % as determined by reducing SDS-PAGE.
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内毒素 |
< 0.01 EU per μg of the protein as determined by the LAL method.
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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.
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运输条件 |
This product is provided as lyophilized powder which is shipped with ice packs.
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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.
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背景 |
Interleukin-9 (IL-9) is a secreted protein that belongs to the IL-7/IL-9 family.Mature mouse IL-9 shares 57% and 74% amino acid sequence identity with human and rat IL-9, respectively. IL-9 supports IL-2 independent and IL-4 independent growth of helper T-cells. IL-9 stimulates cell proliferation and prevents apoptosis. It functions through the IL-9 receptor (IL-9R), which activates different signal transducer and activator (STAT) proteins and thus connects this cytokine to various biological processes. IL-9 has been identified as a candidate gene for asthma. IL-9 is a determining factor in the pathogenesis of bronchial hyperresponsiveness.
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实验操作视频
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