- 询价
- Cell Signaling Technology
- 2441
- USA
- 2025年12月02日
- W, IP, IF-IC
- Rabbit
- H,M,R,Hm,Mk,B
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- 详细信息
- 技术资料
- 抗体英文名：
Phospho-eIF4G (Ser1108) Antibody
- 抗原：
synthetic phosphopeptide corresponding to residues surrounding Ser1108 of human eIF4GI
- 应用范围：
W, IP, IF-IC
- 宿主：
Rabbit
- 库存：
大量
- 适应物种：
H,M,R,Hm,Mk,B
- 供应商：
CST
- 保质期：
详见说明书
- 级别：
详见MSDS文件
- 是否单克隆：
2
- 保存条件：
-20°c
- 规格：
40 ul (4 western blots)/100 ul (10 western blots)/carrier free & custom formulation / quantity
| 规格： | 产品价格： | ￥请询价 | |
|---|---|---|---|
| 规格： | 40 ul (4 western blots) | 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 IF-IC=Immunofluorescence (Immunocytochemistry)
Reactivity Key: H=Human M=Mouse R=Rat Hm=Hamster Mk=Monkey B=Bovine
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 IF-IC | H M R Hm Mk B | Endogenous | 220 | Rabbit |
| Protocols | |
|---|---|
| Specificity / Sensitivity | Phospho-eIF4G (Ser1108) Antibody detects eIF4GI only when phosphorylated at Ser1108. It does not cross-react with nonphosphorylated eIF4GI or p97. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser1108 of human eIF4GI. Antibodies are purified by protein A and peptide affinity chromatography. Western Blotting
Western blot analysis of extracts from 293 cells expressing GST-eIF4GI Ser1192Ala or GST-eIF4GI Ser1108Ala mutant protein, using Phospho-eIF4G (Ser1108) Antibody. (Provided by Brian Raught, McGill University, Montreal, QuŽbec.) Western Blotting
Western blot analysis of extracts from PC12 cells, untreated (lane 1), NGF-treated (10 ng/ml) (lane 2), anisomycin-treated (25 µM) (lane 3), U0126-treated #9903 (10 µM) (lane 4), Rapamycin-treated #9904 (100 nM ) (lane 5) or LY294002-treated #9901 (25 µM) (lane 6), using Phospho-eIF4G (Ser1108) Antibody. IF-IC
Confocal immunofluorescent analysis of HeLa cells either rapamycin-treated (left) or serum-treated (right), using Phospho-eIF4G (Ser1108) Antibody (green). Actin filaments have been labeled with Alexa Fluor® 555 phalloidin (red). Blue pseudocolor = DRAQ5™ (fluorescent DNA dye). |
| Background | Eukaryotic initiation factor 4E (eIF4E) binds to the mRNA cap structure to mediate the initiation of translation (1,2). eIF4E interacts with eIF4G, a scaffold protein that promotes assembly of eIF4E and eIF4A into the eIF4F complex (2). eIF4B is thought to assist the eIF4F complex in translation initiation. Upon activation by mitogenic and/or stress stimuli mediated by Erk and p38 MAPK, Mnk1 phosphorylates eIF4E at Ser209 in vivo (3,4). Two Erk and p38 MAPK phosphorylation sites in mouse Mnk1 (Thr197 and Thr202) are essential for Mnk1 kinase activity (3). The carboxy-terminal region of eIF4G also contains serum-stimulated phosphorylation sites, including Ser1108, Ser1148, and Ser1192 (5). Phosphorylation at these sites is blocked by the PI3 kinase inhibitor LY294002 and by the FRAP/mTOR inhibitor rapamycin. |
| 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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