Transforming growth factor beta (TGFβ) family members are secreted in inactive complexes with a latency-associated peptide (LAP), a protein derived from the N-terminal region of the TGFβ gene product. Extracellular activation of these complexes is a critical step in regulation of TGFβ function in vivo. The TGFβ1 LAP is a ligand for the integrin αvβ6 and that αvβ6-expressing cells induce spatially restricted activition of TGFβ1. And LAP identifies a novel CD4+/CD25+ regulatory T cell subset with TGFbeta-mediated function and enhanced suppression of experimental autoimmune encephalomyelitis.
规格 | 价格/CNY | 货期 | 数量 | |
---|---|---|---|---|
20 μg | ¥ 2,260 | 5日内发货 | ||
100 μg | ¥ 6,130 | 5日内发货 |
生物活性 | Measured by its ability to inhibit TGF-beta 1 activity on TF‑1 human erythroleukemic cells. The ED50 for this effect is 3.37 ng/ml in the presence of 1ng/ml of recombinant human TGF-beta 1. (Regularly tested) |
产品描述 | Transforming growth factor beta (TGFβ) family members are secreted in inactive complexes with a latency-associated peptide (LAP), a protein derived from the N-terminal region of the TGFβ gene product. Extracellular activation of these complexes is a critical step in regulation of TGFβ function in vivo. The TGFβ1 LAP is a ligand for the integrin αvβ6 and that αvβ6-expressing cells induce spatially restricted activition of TGFβ1. And LAP identifies a novel CD4+/CD25+ regulatory T cell subset with TGFbeta-mediated function and enhanced suppression of experimental autoimmune encephalomyelitis. |
种属 | Human |
表达系统 | HEK293 Cells |
标签 | N-6xHis-Avi |
蛋白编号 | P01137 |
别名 | transforming growth factor β1, TGFβ, CED, TGFB, TGFbeta, LAP (TGFβ 1), DPD1, LAP (TGFbeta 1), LAP (TGF-β 1), transforming growth factor beta 1, LAP, LAP (TGF-beta 1), TGFB1 |
氨基酸序列 | Leu30-Arg278 |
蛋白构建 | Leu30-Arg278 (Cys33Ser) |
蛋白纯度 | Greater than 95% as determined by reducing SDS-PAGE. (QC verified) |
分子量 | 35-45 KDa (reducing condition) |
内毒素 | < 0.1 ng/µg (1 EU/µg) as determined by LAL test. |
缓冲液 | Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. |
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. |
存储 |
Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at-80℃. For reconstituted proteinsolutions, 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. |
运输方式 |
In general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice. |
研究背景 | Transforming growth factor beta (TGFβ) family members are secreted in inactive complexes with a latency-associated peptide (LAP), a protein derived from the N-terminal region of the TGFβ gene product. Extracellular activation of these complexes is a critical step in regulation of TGFβ function in vivo. The TGFβ1 LAP is a ligand for the integrin αvβ6 and that αvβ6-expressing cells induce spatially restricted activition of TGFβ1. And LAP identifies a novel CD4+/CD25+ regulatory T cell subset with TGFbeta-mediated function and enhanced suppression of experimental autoimmune encephalomyelitis. |
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