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别名 LICOS, ICOSLG, ICOS-L, ICOSL, ICOS ligand, GL50, CD275, B7RP1B7-like protein Gl50, B7RP-1, B7RP1, B7-H2B7-related protein 1, B7-H2, B7H2
B7-H2, also known as B7-related protein (B7RP1), ICOS Ligand, and CD275, is an approximately 60 kDa transmembrane glycoprotein in the B7 family of immune regulatory molecules. B7-H2 is a ligand for the T-cell-specific cell surface receptor ICOS. Acts as a costimulatory signal for T-cell proliferation and cytokine secretion; induces also B-cell proliferation and differentiation into plasma cells. B7-H2/ICOSLG Protein, Human, Recombinant (His & Avi) is expressed in HEK293 mammalian cells with C-His-Avi tag. The predicted molecular weight is 29.5 kDa and the accession number is O75144.

B7-H2, also known as B7-related protein (B7RP1), ICOS Ligand, and CD275, is an approximately 60 kDa transmembrane glycoprotein in the B7 family of immune regulatory molecules. B7-H2 is a ligand for the T-cell-specific cell surface receptor ICOS. Acts as a costimulatory signal for T-cell proliferation and cytokine secretion; induces also B-cell proliferation and differentiation into plasma cells. B7-H2/ICOSLG Protein, Human, Recombinant (His & Avi) is expressed in HEK293 mammalian cells with C-His-Avi tag. The predicted molecular weight is 29.5 kDa and the accession number is O75144.
| 规格 | 价格 | 库存 | 数量 |
|---|---|---|---|
| 5 μg | ¥ 198 | 6-8日内发货 | |
| 10 μg | ¥ 319 | 6-8日内发货 | |
| 20 μg | ¥ 497 | 5日内发货 | |
| 50 μg | ¥ 973 | 5日内发货 | |
| 100 μg | ¥ 1,620 | 5日内发货 | |
| 200 μg | ¥ 2,930 | 5日内发货 | |
| 500 μg | ¥ 6,520 | 5日内发货 |
| 产品描述 | B7-H2, also known as B7-related protein (B7RP1), ICOS Ligand, and CD275, is an approximately 60 kDa transmembrane glycoprotein in the B7 family of immune regulatory molecules. B7-H2 is a ligand for the T-cell-specific cell surface receptor ICOS. Acts as a costimulatory signal for T-cell proliferation and cytokine secretion; induces also B-cell proliferation and differentiation into plasma cells. B7-H2/ICOSLG Protein, Human, Recombinant (His & Avi) is expressed in HEK293 mammalian cells with C-His-Avi tag. The predicted molecular weight is 29.5 kDa and the accession number is O75144. |
| 生物活性 | 1. Immobilized Human B7-H2, His Tag at 0.5μg/ml (100μl/Well) on the plate. Dose response curve for Human ICOS, hFc Tag with the EC50 of 23.6ng/ml determined by ELISA.
2. Human ICOS, hFc Tag (Q50A) captured on CM5 Chip via Protein A can bind Human B7-H2, His Tag with an affinity constant of 41.98 nM as determined in SPR assay. |
| 研究背景 | B7-H2, also known as B7-related protein (B7RP1), ICOS Ligand, and CD275, is an approximately 60 kDa transmembrane glycoprotein in the B7 family of immune regulatory molecules. B7-H2 is a ligand for the T-cell-specific cell surface receptor ICOS. Acts as a costimulatory signal for T-cell proliferation and cytokine secretion; induces also B-cell proliferation and differentiation into plasma cells. |
| 种属 | Human |
| 表达系统 | HEK293 Cells |
| 标签 | C-His-Avi |
| 蛋白编号 | O75144 |
| 蛋白构建 | Asp19-Ser258 |
| 蛋白纯度 | > 95% as determined by Tris-Bis PAGE; > 95% as determined by HPLC |
| 蛋白性状 | Lyophilized powder |
| 缓冲液 | Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS (pH 7.4). Typically, 8% trehalose is incorporated as a protective agent before lyophilization. |
| 复溶方法 | Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing. |
| 别名 | LICOS, ICOSLG, ICOS-L, ICOSL, ICOS ligand, GL50, CD275, B7RP1B7-like protein Gl50, B7RP-1, B7RP1, B7-H2B7-related protein 1, B7-H2, B7H2 |
| 内毒素 | < 1 EU/μg by the LAL method. |
| 分子量 | 29.5 kDa (predicted). Due to glycosylation, the protein migrates to 55-70 kDa based on Tris-Bis PAGE result. |
| 运输方式 | In general, Lyophilized powders are shipping with blue ice. |
| 存储 | It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots. |
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