PhosphoPlus? ATF-2 (Thr71) Antibody Duet

• 产品编号：CST-8220S      品牌：CST       原厂货号：8220S
• 产品分类：抗体 > 一抗 > 抗体对
• 应用分类：

其它组分：

描述：

Cell Signaling Technology (CST)的PhosphoPlus® Duets 提供了一个评价蛋白活化状态的方法。每个Duet中包含了针对您所感兴趣的靶蛋白的总蛋白抗体和活化状态蛋白抗体。这些抗体精选自CST产品，在特定应用中具有卓越的性能。转录因子ATF-2（也被称为 CRE-BP1）能够结合到AP-1和 CRE DNA反应元件，是ATF/CREB亮氨酸拉链蛋白质家族的成员(1)。ATF-2蛋白能够调控多种病毒癌基因以及抑癌基因的表达，是SAPK/JNK 、p38 MAPK信号传导通路的靶标 (2-4)。多种细胞压力包括基因毒剂、炎性细胞因子和紫外辐射，都能激活ATF-2蛋白的转录活性。细胞应激刺激通过磷酸化Thr69和Thr71位点使ATF-2蛋白被激活 (2-4)。在体外以及转染了ATF-2的细胞中，SAPK、p38 MAPK蛋白都被证明能够磷酸化ATF-2蛋白的这些位点。这些位点的突变能导致应激性的ATF-2诱导转录活性降低(2-4)，并且降低E1A 、Rb蛋白通过ATF-2介导的基因表达。(2)。

1. Abdel-Hafiz, H.A. et al. (1992) Mol Endocrinol 6, 2079-89.
2. Gupta, S. et al. (1995) Science 267, 389-93.
3. van Dam, H. et al. (1995) EMBO J 14, 1798-811.
4. Livingstone, C. et al. (1995) EMBO J 14, 1785-97.

原厂资料：

Description

PhosphoPlus® Duets from Cell Signaling Technology (CST) provide a means to assess protein activation status. Each Duet contains an activation-state and total protein antibody to your target of interest. These antibodies have been selected from CST's product offering based upon superior performance in specified applications.

Background

The transcription factor ATF-2 (also called CRE-BP1) binds to both AP-1 and CRE DNA response elements and is a member of the ATF/CREB family of leucine zipper proteins (1). ATF-2 interacts with a variety of viral oncoproteins and cellular tumor suppressors and is a target of the SAPK/JNK and p38 MAP kinase signaling pathways (2-4). Various forms of cellular stress, including genotoxic agents, inflammatory cytokines, and UV irradiation, stimulate the transcriptional activity of ATF-2. Cellular stress activates ATF-2 by phosphorylation of Thr69 and Thr71 (2-4). Both SAPK and p38 MAPK have been shown to phosphorylate ATF-2 at these sites in vitro and in cells transfected with ATF-2. Mutations of these sites result in the loss of stress-induced transcription by ATF-2 (2-4). In addition, mutations at these sites reduce the ability of E1A and Rb to stimulate gene expression via ATF-2 (2).

1. Abdel-Hafiz, H.A. et al. (1992) Mol Endocrinol 6, 2079-89.
2. Gupta, S. et al. (1995) Science 267, 389-93.
3. van Dam, H. et al. (1995) EMBO J 14, 1798-811.
4. Livingstone, C. et al. (1995) EMBO J 14, 1785-97.

注意事项：

Storage: Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM
NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium
azide. Store at –20°C. Do not aliquot the antibody