Recombinant Human Interleukin-18/IL-18 Protein
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- 表达系统： E.coli
- 蛋白编码： Q14116
- 应用性： Cell culture
| 别称 |
MGC;IL1F;IL-1F;IL18;IGIF;IL-18;IL-1g;IL1F4;GIF;Iboctadekin;IFN-gamma-inducing factor;IL-1 gamma;IL-1F4;Interferon gamma-inducing factor;Interferon-gamma-inducing factor;Interleukin 18;Interleukin-1 gamma;Interleukin-18;MGC12320;IFN gamma inducing factor;IL 1 gamma;IL 18;IL 1g;IL1 gamma;IL18 protein;IL1g;IL1gamma;ILIF4;Interferon gamma inducing factor;Interleukin 1 gamma;Interleukin 18 (interferon-gamma-inducing factor);Interleukin18
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| 表达系统 |
E.coli
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| 序列 |
Tyr37-Asp193
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| 蛋白编码 |
Q14116
|
| 种属 |
Human
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| 计算分子量 |
18.2 kDa
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| 表观分子量 |
15 kDa
|
| 标签 |
None
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| 生物活性 |
Measure by its ability to induce IFN gamma secretion in KG-1 cells. The ED50 for this effect is <6 ng/mL.
|
| 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.
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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 a 0.2 μm filtered solution of 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-18 is a secreted protein and it belongs to the IL-1 family. IL-18 is a proinflammatory cytokine and produced by macrophages and other cells. This cytokine can induce the IFN-gamma production of T cells. The combination of this cytokine and IL12 has been shown to inhibit IL-4 dependent IgE and IgG1 production; and enhance IgG2a production of B cells. IL-18 binding protein (IL18BP) can specifically interact with this cytokine; and thus negatively regulate its biological activity. After stimulation with IL-18; natural killer (NK) cells and certain T cells release another important cytokine called interferon-γ (IFN-γ) or type II interferon that plays an important role in activating the macrophages or other cells.
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实验操作视频
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