- 询价
- Cell Signaling Technology
- 3322
- USA
- 2025年08月08日
- W
- Rabbit
- M
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Ras-GRF1 Antibody
- 抗原：
synthetic peptide corresponding to the amino-terminal residues of mouse Ras-GRF1
- 应用范围：
W
- 宿主：
Rabbit
- 适应物种：
M
- 供应商：
CST
- 级别：
详见MSDS文件
- 保质期：
详见说明书
- 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
Reactivity Key: M=Mouse
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 | M | Transfected Only | 155 | Rabbit |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Ras-GRF1 Antibody detects transfected levels of Ras-GRF1. This antibody does not cross-react with Ras-GRF2. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to the amino-terminal residues of mouse Ras-GRF1. Antibodies are purified by protein A and peptide affinity chromatography. Western Blotting
Western blot analysis of extracts from COS cells, untransfected (lane 1) or transfected with either wild-type (lanes 2 and 3) or Ala916 mutant (lanes 4 and 5) Ras-GRF1, using Ras-GRF1 Antibody. Transfected COS cells were untreated or treated forskolin as indicated.(Triple HA-tagged Ras-GRF1 expressing plasmids provided by Dr. R. Mattingly, Dept. of Pharmacology, Wayne State University, Michigan.) |
| Background | Ras activity is regulated by GAP (GTPase activating proteins) and GEFs (guanine nucleotide exchange factors). Ras-GRF1 (also known as CDC25Mm) is neuronal RasGEF and is regulated by heterotrimeric G proteins and calcium influx (1,2). Binding to calmodulin and phosphorylation stimulate Ras-GRF1 activity (1,2). Multiple PKA phosphorylation sites on Ras-GRF have been identified. Phosphorylation on the two major sites, Ser54 and Ser822, inhibits Ras-GRF activity (3). Carbachol (a muscarinic agonist)-induced phosphorylation on Ser916 is essential but not sufficient for maximal Ras-GRF activity (4). It has been reported that Ras-GRF1 also shows GEF activity toward Rac after phosphorylation by the tyrosine kinase Src (5). |
| 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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文献和实验Ras是大鼠肉瘤(rat sarcoma,Ras)的英文缩写。Ras蛋白是原癌基因 c—ras的表达产物，相对分子质量为21kDa，属单体 GTP结合蛋白，具有弱的 GTP酶活性。Ras蛋白的活性状态对细胞的生长、分化、细胞骨架、蛋白质运输和分泌等都具有影响，其活性则是通过与GTP或GDP的结合进行调节。 Ras的活性受两个蛋白的控制,一个是鸟苷交换因子(guanine nucleotide exchange factor, GEF),它的作用是促使GDP从Ras蛋白
Mathematical Investigation of How Oncogenic Ras Mutants Promote Ras Signaling
We have used a mathematical model of the Ras signaling network to link observable biochemical properties with cellular levels of RasGTP. Although there is abundant data characterizing Ras biochemistry, attributing specific changes
PNAS：RAS 抑制剂又添一员，新型蛋白模拟物或为癌症治疗
导读RAS 是肿瘤患者中最常见的致癌基因之一，目前包括 KRAS、NRAS 以及 HRAS 三种亚型。其中，NRAS 突变多见于黑色素瘤和急性髓系白血病，HRAS 突变多见于膀胱癌和头颈癌，而 KRAS 突变比其他两种更常见，最常发生在肺癌、胰腺癌以及结直肠癌。由于在癌症中的 Ras 蛋白经常发生突变，因此 Ras 突变成为了科学家们着力攻克的热点。RAS 曾被医学界称为「不可成药靶点」，科学家们在研究有效的 RAS 抑制剂方面已经摸索尝试了 30 余年，直至近几年才获得了重大进展。当前已经
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