Recombinant Human CD80 protein (His Tag)
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- 表达系统： HEK293 Cells
- 蛋白编码： P33681
| 别称 |
Activation B7-1 antigen;B7;B7-1;B7.1;BB1;CD28LG;CD28LG1;CD28LGB7-1 antigen;CD80;LAB7;T-lymphocyte activation antigen CD80
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| 表达系统 |
HEK293 Cells
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| 序列 |
Met1-Asn242
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| 蛋白编码 |
P33681
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| 种属 |
Human
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| 计算分子量 |
26.5 kDa
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| 表观分子量 |
40 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 |
Cluster of Differentiation 80, also called B7-1, is a member of cell surface immunoglobulin superfamily which plays key, yet distinct roles in the activation of T cells. It is the ligand for two different proteins on the T cell surface: CD28 and CTLA-4. Studies have shown that CTLA-4 binds mostly to CD80. The structure presents two extracellular domains: a membrane distal variable-like domain (IgV) and a membrane proximal Ig constant-like domain (IgC) along with an intracellular domain. Both IgV and IgC consist of anti-parallel beta sandwiches joined by a short linker region. CD80 is mostly expressed on the surface of antigen-presenting cells including activated B cells, macrophages and dendritic cells.
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实验操作视频
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