1. 重组蛋白
  2. CAR-T related Proteins
  3. CA-125
  4. CA125 蛋白, Human (HEK293, His)

CA125 蛋白, Human (HEK293, His)

目录号: HY-P7696
COA 产品使用指南

CA125 蛋白, Human (HEK293, His)是一种由 HEK293 细胞表达产生的,带有 His 标签的重组人类 CA125。CA125 是一种巨大的黏液样糖蛋白,存在肿瘤细胞表面。

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  • 生物活性

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描述

CA125 Protein, Human (HEK293, His) is a recombinant human cancer antigen 125 (CA125) produced in HEK293 cells, with His tag. CA125 is a giant mucin-like glycoprotein present on the cell surface of tumor cells[1].

研究背景

CA125 是一种肿瘤抗原,已被定义为主要用于卵巢癌的标记物[1]

生物活性

1. Immobilized Human Mesothelin at 10 μg/mL (100 μl/well) can bind recombinant Human CA125, His (HEK293-expressed) (rHuCA125, His).The ED50 of recombinant Human CA125, His (HEK293-expressed) (rHuCA125, His) is 0.6 μg/mL.
2. Immobilized Recombinant Human MSLN/Mesothelin Protein at 2 μg/mL (100 μl/well) can bind Biotinylated Recombinant Human CA125 Protein. The ED50 for this effect is 5.731 ng/mL, corresponding to a specific activity is 1.74×105 Unit/mg.

  • Immobilized Recombinant Human MSLN/Mesothelin Protein at 2 μg/mL (100 μl/well) can bind Biotinylated Recombinant Human CA125 Protein. The ED50 for this effect is 5.731 ng/mL, corresponding to a specific activity is 1.74×105 Unit/mg.
种属

Human

表达系统

HEK293

标签

C-6*His

蛋白编号

Q8WXI7 (G12660-M12923)

基因 ID
蛋白结构
N-term
CA125 (G12660-M12923)
Accession # Q8WXI7
6*His
C-term
同用名
rHuCA125, His; CA125 ovarian cancer antigen; CA125; CA125MUC-16;
氨基酸序列

GFTHWIPVPTSSTPGTSTVDLGSGTPSSLPSPTTAGPLLVPFTLNFTITNLKYEEDMHCPGSRKFNTTERVLQSLLGPMFKNTSVGPLYSGCRLTLLRSEKDGAATGVDAICTHRLDPKSPGVDREQLYWELSQLTNGIKELGPYTLDRNSLYVNGFTHQTSAPNTSTPGTSTVDLGTSGTPSSLPSPTSAGPLLVPFTLNFTITNLQYEEDMHHPGSRKFNTTERVLQGLLGPMFKNTSVGLLYSGCRLTLLRPEKNGAATGMHHHHHH

分子量

40-80 kDa

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

无菌粉末.

组分

Lyophilized after extensive dialysis against 50 mM Tris, 100 mM Glycine, pH 7.5 or 50 mM Tris-HCL, 300 mM NaCl, 100 mM Glycine, 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
参考文献

CA125 Protein, Human (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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CA125 Protein, Human (HEK293, His)
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