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TGF alpha Protein, Human, Recombinant V2 is expressed in E. coli. The accession number is P01135.

| 规格 | 价格 | 库存 | 数量 |
|---|
| 生物活性 | ED 50 < 0.2 ng/ml, measured by Cell Proliferation Assay using BALB/c 3T3 cells, corresponding to a specific activity of ≥ 5.0 × 10^6 units/mg. |
| 产品描述 | TGF alpha Protein, Human, Recombinant V2 is expressed in E. coli. The accession number is P01135. |
| 种属 | Human |
| 表达系统 | E. coli |
| 标签 | Tag Free |
| 蛋白编号 | P01135 |
| 别名 | 转化生长因子,transforming growth factor α,transforming growth factor alpha,TGF-α,TGFa,TFGA |
| 蛋白构建 | Val40-Ala89 |
| 蛋白纯度 | > 95% as determined by SDS-PAGE |
| 分子量 | 5.8 kDa (Reducing conditions) |
| 内毒素 | < 0.2 EU/μg of the protein as determined by the LAL method. |
| 蛋白性状 | Lyophilized powder |
| 缓冲液 | Lyophilized from 0.22 μm filtered solution in PBS. |
| 存储 | 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. |
| 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-alpha (TGF-α) , also known as sarcoma growth factor, TGF-type I and ETGF, is a member of the EGF family of cytokines. It is expressed in monocytes, brain cells, keratinocytes and various tumor cells. TGF-α signals through EGFR and acts synergistically with TGF-beta to promote the proliferation of a wide range of epidermal and epithelial cells. TGF-α is a transforming growth factor that is a ligand for the epidermal growth factor receptor, which activates a signaling pathway for cell proliferation, differentiation and development. This protein may act as either a transmembrane-bound ligand or a soluble ligand. The biological actions of TGF-α and EGF are similar. For instance, TGF-α and EGF bind to the same receptor. When TGF-α binds to EGFR it can initiate multiple cell proliferation events. |