1. 重组蛋白
  2. CD Antigens Receptor Proteins Enzymes & Regulators
  3. T Cell CD Proteins B Cell CD Proteins Macrophage CD Proteins Monocyte CD Proteins Stem Cell CD Proteins Dendritic Cell CD Proteins Receptor Tyrosine Phosphatase Phosphatase
  4. CD45 Protein tyrosine phosphatases
  5. CD45 蛋白, Human (552a.a, HEK293, His)

CD45 蛋白, Human (552a.a, HEK293, His)

目录号: HY-P7887
COA 产品使用指南

CD45 蛋白, Human (HEK 293, His) 是一种 1 型跨膜蛋白酪氨酸磷酸酶 (PTPase),由除红细胞和血小板外的所有造血干细胞 (HSC) 表达。

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10 μg ¥890 In-stock
50 μg ¥2500 In-stock
100 μg ¥4250 In-stock
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  • 生物活性

  • 技术参数

  • 产品性质

  • 产品资料

  • 参考文献

描述

CD45 Protein, Human (HEK 293, His) is a type 1 transmembrane protein tyrosine phosphatase (PTPase) expressed by all the haematopoietic stem cells (HSCs) except that of erythrocytes and platelets.

研究背景

白细胞共同抗原,C型蛋白酪氨酸磷酸酶受体(PTPRC),也称为CD45,是一种跨膜糖蛋白,在除成熟红细胞外的几乎所有造血细胞上表达,是T和B细胞抗原受体介导的重要调节因子激活。CD45由两个胞质结构域、一个跨膜结构域和一个胞外结构域组成。蛋白酪氨酸激酶和磷酸酶活性(来自 CD45 等)之间的平衡破坏可能导致免疫缺陷、自身免疫或恶性肿瘤。CD45 通常存在于细胞表面,因此它在一个大型信号网络的上游发挥作用,而不同细胞类型的信号网络不同,因此 CD45 对这些细胞的影响也不同[1]

生物活性

Measured by its ability to inhibit the proliferation of M-NFS-60 Mice myeloid leukemia lymphocytes. The ED50 this effect is ≤2.406 μg/mL, corresponding to a specific activity is ≥415.62 units/mg.

  • Measured by its ability to inhibit the proliferation of M-NFS-60 Mice myeloid leukemia lymphocytes. The ED50 for this effect is 1.932 μg/mL, corresponding to a specific activity is 517.5983 units/mg.
种属

Human

表达系统

HEK293

标签

C-His

蛋白编号

P08575 (Q26-K577)

基因 ID
蛋白结构
N-term
CD45 (Q26-K577)
Accession # P08575
His
C-term
同用名
rHuReceptor-type tyrosine-protein phosphatase C/CD45, His; B220; CD45 antigen; CD45; CD45R; LCA; L-CA; LY5; protein tyrosine phosphatase, receptor type, C; PTPRC; receptor-type tyrosine-protein phosphatase C
氨基酸序列

QSPTPSPTGLTTAKMPSVPLSSDPLPTHTTAFSPASTFERENDFSETTTSLSPDNTSTQVSPDSLDNASAFNTTGVSSVQTPHLPTHADSQTPSAGTDTQTFSGSAANAKLNPTPGSNAISDVPGERSTASTFPTDPVSPLTTTLSLAHHSSAALPARTSNTTITANTSDAYLNASETTTLSPSGSAVISTTTIATTPSKPTCDEKYANITVDYLYNKETKLFTAKLNVNENVECGNNTCTNNEVHNLTECKNASVSISHNSCTAPDKTLILDVPPGVEKFQLHDCTQVEKADTTICLKWKNIETFTCDTQNITYRFQCGNMIFDNKEIKLENLEPEHEYKCDSEILYNNHKFTNASKIIKTDFGSPGEPQIIFCRSEAAHQGVITWNPPQRSFHNFTLCYIKETEKDCLNLDKNLIKYDLQNLKPYTKYVLSLHAYIIAKVQRNGSAAMCHFTTKSAPPSQVWNMTVSMTSDNSMHVKCRPPRDRNGPHERYHLEVEAGNTLVRNESHKNCDFRVKDLQYSTDYTFKAYFHNGDYPGEPFILHHSTSYNSK

分子量

110-180 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 or 20 mM PB, 150 mM NaCl, pH 7.4 or 50 mM Tris-HCL, 300 mM NaCl, 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
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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产品名称:
CD45 Protein, Human (552a.a, HEK293, His)
目录号:
HY-P7887
需求量: