Recombinant Human ICOSL Protein(His Tag)
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- 表达系统： Mammalian
- 蛋白编码： O75144
| 别称 |
B7H;B7-H;B7 Homolog;B7-Like Protein Gl;B7-Related Protein;V-Set and Immunoglobulin Domain-Containing Protein;KIAA;VSIG;ICOSLG;B7-H2;B7H2;B7RP-1;B7RP1;CD275;GL50;ICOS-L;ICOSL;LICOS;B7 Homolog 2;B7-Like Protein Gl50;B7-Related Protein 1;ICOS Ligand;Protein Z39Ig;V-Set and Immunoglobulin Domain-Containing Protein 4;VSIG4;Z39IG;CRIg;KIAA0653; ICOSL; B7RP1; B7h;B7 H2;B7 homologue 2;B7 like protein Gl50;B7 related protein 1;B7RP 1;CD 275;CD275 antigen;GL 50;ICOS L;ICOS LG;Inducible T cell co stimulator ligand;Transmembrane protein B7 H2 ICOS ligand
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| 表达系统 |
Mammalian
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| 序列 |
Met1~Ser258
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| 蛋白编码 |
O75144
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| 种属 |
Human
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| 计算分子量 |
28.3 kDa
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| 表观分子量 |
40-60 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 |
> 90% 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 |
Inducible co-stimulator ligand (ICOSL), also known as B7-H2, is a member of the B7 family of co-stimulatory molecules related to B7-1 and B7-2. It is a transmembrane glycoprotein with extracellular IgV and IgC domains and binds to ICOS on activated T cells, thus delivers a positive costimulatory signal for optimal T cell function. The structural features of ICOSL are crucial for its costimulatory function. The present study shows that ICOSL displays a marked oligomerization potential, resembling more like B7-1 than B7-2. B7-H2-dependent signaling may play an active role in a proliferative response rather than in cytokine and chemokine production. The CD28/B7 and ICOS/B7-H2 pathways are both critical for costimulating T cell immune responses. Deficiency in either pathway results in defective T cell activation, cytokine production, and germinal center formation.
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实验操作视频
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