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Ephrin-A4 is a member of the ephrin ligand family which binds members of the Eph receptor family. All ligands share a conserved extracellular sequence, which most likely corresponds to the receptor binding domain. Ephrin-A4 consists of approximately 125 amino acids and includes four invariant cysteines, It has been shown to bind EphA2, EphA3, EphA4, EphA5, EphA6, EphA7, and EphB1. Ephrin-A4 binds promiscuously Eph receptors residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. It may play a role in the interaction between activated B-lymphocytes and dendritic cells in tonsils.

| 规格 | 价格 | 库存 | 数量 | 
|---|---|---|---|
| 5 μg | ¥ 243  | 6-8日内发货 | |
| 10 μg | ¥ 380  | 6-8日内发货 | |
| 20 μg | ¥ 525  | 5日内发货 | |
| 50 μg | ¥ 820  | 5日内发货 | |
| 100 μg | ¥ 1,130  | 5日内发货 | |
| 200 μg | ¥ 1,580  | 5日内发货 | |
| 500 μg | ¥ 2,480  | 5日内发货 | |
| 1 mg | ¥ 3,550  | 5日内发货 | 
| 生物活性 | Immobilized Human EphA7-His  at 2μg/ml (100 μl/well) can bind Human EFNA4-Fc-His . The ED50 of Recombinant Human EFNA4-Fc-His  is 1.5190 ug/ml. (Regularly tested)  | 
| 产品描述 | Ephrin-A4 is a member of the ephrin ligand family which binds members of the Eph receptor family. All ligands share a conserved extracellular sequence, which most likely corresponds to the receptor binding domain. Ephrin-A4 consists of approximately 125 amino acids and includes four invariant cysteines, It has been shown to bind EphA2, EphA3, EphA4, EphA5, EphA6, EphA7, and EphB1. Ephrin-A4 binds promiscuously Eph receptors residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. It may play a role in the interaction between activated B-lymphocytes and dendritic cells in tonsils.  | 
| 种属 | Human  | 
| 表达系统 | HEK293 Cells  | 
| 标签 | C-hFc-6xHis | 
| 蛋白编号 | P52798 | 
| 别名 | LERK-4,LERK4,EPLG4,Ephrin-A4,EPH-Related Receptor Tyrosine Kinase Ligand 4,EFNA4  | 
| 氨基酸序列 | Leu26-Gly171  | 
| 蛋白构建 | Leu26-Gly171  | 
| 蛋白纯度 | Greater than 95% as determined by reducing SDS-PAGE. (QC verified)  | 
| 分子量 | 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°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 | Ephrin-A4 is a member of the ephrin ligand family which binds members of the Eph receptor family. All ligands share a conserved extracellular sequence, which most likely corresponds to the receptor binding domain. Ephrin-A4 consists of approximately 125 amino acids and includes four invariant cysteines, It has been shown to bind EphA2, EphA3, EphA4, EphA5, EphA6, EphA7, and EphB1. Ephrin-A4 binds promiscuously Eph receptors residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. It may play a role in the interaction between activated B-lymphocytes and dendritic cells in tonsils.  |