- 询价
- Cell Signaling Technology
- 4481
- USA
- 2025年10月06日
- W, IP
- Rabbit
- H,M,R,Mk
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Phospho-PTPα (Tyr789) Antibody
- 抗原：
synthetic phosphopeptide corresponding to residues surrounding Tyr789 of human PTPα
- 应用范围：
W, IP
- 宿主：
Rabbit
- 级别：
详见MSDS文件
- 适应物种：
H,M,R,Mk
- 保质期：
详见说明书
- 供应商：
CST
- 库存：
大量
- 是否单克隆：
2
- 保存条件：
-20°c
- 规格：
100 ul (10 western blots)/carrier free & custom formulation / quantity
| 规格： | 产品价格： | ￥请询价 | |
|---|---|---|---|
| 规格： | 100 ul (10 western blots) | 产品价格： | ￥请询价 |
| 规格： | carrier free & custom formulation / quantity | 产品价格： | ￥请询价 |
pathway more info application references datasheet PDF MSDS PDF protocols
Applications Key: W=Western Blotting IP=Immunoprecipitation
Reactivity Key: H=Human M=Mouse R=Rat Mk=Monkey
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
| Applications | Reactivity | Sensitivity | MW (kDa) | Source |
|---|---|---|---|---|
| W IP | H M R Mk | Endogenous | 145 | Rabbit |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Phospho-PTPα (Tyr789) Antibody detects endogenous levels of PTPα only when phosphorylated at Tyr789. This antibody does not cross-react with other phosphorylated receptor tyrosine phosphatases. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr789 of human PTPα. Antibodies are purified by protein A and peptide affinity chromatography. Western Blotting
Western blot analysis of C2C12 and COS cell lysates, untreated or alkaline phosphatase (CIP)-treated, using Phospho-PTPα (Tyr789) Antibody (upper) or PTPα Antibody (Gift from Dr. D. Shalloway, Dept. of Molecular Biology and Genetics, Cornell University, Ithaca, NY.) (lower). |
| Background | PTPα (PTPRA) is a transmembrane receptor tyrosine phosphatase implicated in the regulation of Src family kinases during the G2 to mitosis entry point. Two identified splice variants differ in the size of the extracellular region; the shorter form appears to be ubiquitously expressed while the larger protein is more limited in distribution (1). The cytoplasmic region of PTPα contains two putative catalytic domains. One phosphatase domain (D1) exhibits catalytic activity while the other (D2) may regulate phosphatase activity by allowing receptor dimer formation (2,3). PTPα is a physiological regulator of Src and Src family kinases (4). Constitutive phosphorylation of the carboxy-terminal Tyr789 of PTPα is essential for dephosphorylation of Src at Tyr527. Phosphorylation of PTPα at this residue also allows binding of the Grb2 inhibitor, restricting PTPα activation of Src (5,6). PKC-mediated phosphorylation of the PTP at Ser180 and Ser204 also increases PTPα phosphatase activity (7).
|
| Application References | Have you published research involving the use of our products? If so we'd love to hear about it. Please let us know ! |
| Companion Products |
For Research Use Only. Not For Use In Diagnostic Procedures. |
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。所以，我们建议使用微波炉或高压锅加热煮沸以达到最佳抗原修复效果。抗体：Phospho–Stat3 (Tyr705)(D3A7) XP. Rabbit mAb #9145样本：石蜡包埋人类肺部肿瘤样本煮沸设备：浴锅 (左)，微波炉 (中)，高压锅 (右)免疫染色—封闭在 IHC–P 中，我们建议在室温下在含有 Tween20 的 TBST 缓冲液和 5% 正常山羊血清 (NGS) 中封闭样品，时长 1 小时，以防止非特异性背景染色。在进行 IHC–F 时，在含有 0.3% Triton. X–100 的 1X
) is accompanied with or inactivates the GSK activity. However, it is still not conclusive what the role of Tyr phosphorylation (Y216 fro beta, Y279 for alpha) on GSK activity is. One reference is a review paper published in Cell in 2001, you may take a quick
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