Recombinant Human CTLA-4/CD152 protein (His Tag)

Price:
- 表达系统: HEK293 Cells
- 蛋白编码: P16410
别称 |
CD152;CTLA4;Cytotoxic T-Lymphocyte-Associated Protein 4;Cytotoxic T-lymphocyte protein 4;Cytotoxic T-lymphocyte-associated antigen 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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生物活性 |
Not validated for activity
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纯度 |
> 95% as determined by reducing SDS-PAGE.
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内毒素 |
< 1.0 EU/mg 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 in PBS with 5% Trehalose and 5% Mannitol.
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复溶方法 |
It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis.
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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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