1. 重组蛋白
  2. Cytokines and Growth Factors
  3. Ephrin/Eph Family
  4. Ephrins
  5. Ephrin B2
  6. EFNB2A 蛋白, zebrafish (HEK293, His)

EFNB2A 蛋白, zebrafish (HEK293, His)

目录号: HY-P77356
COA 产品使用指南

EFNB2A 蛋白是 Eph 受体的细胞表面配体,可严格调节神经元、血管和上皮发育中的迁移、排斥和粘附。EFNB2A 蛋白, zebrafish (HEK293, His) 是重组的 EFNB2A 蛋白,由 HEK293 表达,带有 C-His 标签。EFNB2A 蛋白, zebrafish (HEK293, His) 全长 198 个氨基酸,分子量约为 ~30-40 kDa。

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规格 价格 是否有货 数量
Free Sample   Apply now  
2 μg ¥350 In-stock
10 μg ¥680 In-stock
50 μg ¥1750 In-stock
100 μg ¥2750 In-stock
500 μg ¥8000 In-stock
1 mg ¥13600 In-stock
> 100 μg   询价  

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  • 生物活性

  • 技术参数

  • 产品性质

  • 产品资料

描述

The EFNB2A protein is a cell surface ligand of the Eph receptor that critically regulates migration, repulsion, and adhesion in neuronal, vascular, and epithelial development. EFNB2A Protein, zebrafish (HEK293, His) is the recombinant EFNB2A protein, expressed by HEK293 , with C-His labeled tag. The total length of EFNB2A Protein, zebrafish (HEK293, His) is 198 a.a., with molecular weight of ~30-40 kDa.

研究背景

EFNB2A 是 Eph 受体的细胞表面跨膜配体,通过与相邻细胞上的 Eph 受体混杂结合,在神经元、血管和上皮发育中发挥着至关重要的作用。这种相互作用启动接触依赖性双向信号传导至邻近细胞,其中正向信号发生在受体下游,反向信号发生在肝配蛋白配体下游。EFNB2A 与 EphB4 一起可能通过调节细胞粘附和迁移在心脏形态发生和血管生成中发挥重要作用。该蛋白与受体酪氨酸激酶 EphB4 的结合凸显了它参与这些重要的发育过程。

生物活性

Immobilized zebrafish EFNB2A at 10 µg/mL (100 µL/well) can bind Biotinylated human EphB4. The ED50 for this effect is 31.44 ng/mL.

  • Immobilized zebrafish EFNB2A at 10 µg/mL (100 µL/well) can bind Biotinylated human EphB4. The ED50 for this effect is 31.44 ng/mL.
种属

Others

表达系统

HEK293

标签

C-His

蛋白编号

O73874 (L25-A222)

基因 ID

30219  [NCBI]

蛋白结构
N-term
EFNB2A (L25-A222)
Accession # O73874
His
C-term
同用名
Ephrin-B2a; efnb2
氨基酸序列

LILDSIYWNTTNTKFVPGQGLVLYPQIGDKMDIVCPRVEGGSMEGVEYYKLYMVPLEQLKSCQVTKADTPLLNCVKPDQDVKFTLKFQEFSPNLWGLEFFRGKDYYIISTSNGTMEGLDNQEGGVCKTKSMKIIMKVGQNPSDPISPKDYPTSYPPKHPDLGGKDSKSNEVLKPDASPHGEDKGDGNKSSSVIGSEVA

分子量

Approximately 30-40 kDa

纯度
  • Greater than 95% as determined by reducing SDS-PAGE.
性状

无菌粉末

组分

Lyophilized from a 0.2 μm filtered solution of PBS, PH 7.4.

内毒素含量

<1 EU/μg, determined by LAL method.

复溶方法

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

保存条件 & 期限

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

运输条件

Room temperature in continental US; may vary elsewhere.

文件资料

EFNB2A Protein, zebrafish (HEK293, His) 相关分类

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • 复溶计算器

  • 重组蛋白稀释计算器

  • 比活力计算器

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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