Recombinant Human CTLA-4/CD152 protein (His tag)
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- 表达系统： HEK293 Cells
- 蛋白编码： P16410
| 别称 |
Cytotoxic T-lymphocyte protein 4;Cytotoxic T-lymphocyte-associated antigen 4;CTLA4;CD152;Cytotoxic T-Lymphocyte-Associated Protein 4
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| 表达系统 |
HEK293 Cells
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| 序列 |
Met1-Phe162
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| 蛋白编码 |
P16410
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| 种属 |
Human
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| 计算分子量 |
17.7 kDa
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| 表观分子量 |
15 kDa
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| 标签 |
C-His
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| 纯度 |
> 95 % as determined by reducing SDS-PAGE.
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| 内毒素 |
Please contact us for more information.
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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 7.4.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 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 |
Cytotoxic T-lymphocyte protein 4; is a single-pass type I membrane protein. It is widely expressed with highest levels in lymphoid tissues. CD28 and CTLA-4; together with their ligands; B7-1 and B7-2; constitute one of the dominant costimulatory pathways that regulate T and B cell responses. CD28 and CTLA-4 are structurally homologous molecules that are members of the immunoglobulin (Ig) gene superfamily. CTLA4 transmits an inhibitory signal to T cells; whereas CD28 transmits a stimulatory signal. Intracellular CTLA4 is also found in regulatory T Cells and may play an important role in their functions. Tcell activation through the Tcell receptor and CD28 leads to increased expression of CTLA4.
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实验操作视频
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