- 询价
- Cell Signaling Technology
- 9156
- USA
- 2025年12月28日
- W
- Rabbit
- H,M,R,Dm,X,Z
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Phospho-SEK1/MKK4 (Ser257/Thr261) Antibody
- 抗原：
synthetic phosphopeptide corresponding to residues surrounding Ser257/Thr261 of human SEK1/MKK4
- 应用范围：
W
- 宿主：
Rabbit
- 供应商：
CST
- 库存：
大量
- 适应物种：
H,M,R,Dm,X,Z
- 级别：
详见MSDS文件
- 保质期：
详见说明书
- 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: H=Human M=Mouse R=Rat Dm=D. melanogaster X=Xenopus Z=Zebrafish
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 | H M R Dm (X) (Z) | Endogenous | 44 | Rabbit |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Phospho-SEK1/MKK4 (Ser257/Thr261) Antibody detects endogenous levels of SEK1/MKK4 phosphorylated at serine 257/threonine 261 . This antibody does not cross-react with the corresponding phosphorylated residues of MEK1, MEK2 or MKK3. It will also react with SEK1/MKK4 singly phosphorylated at Thr261. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser257/Thr261 of human SEK1/MKK4. Antibodies are purified by protein A and peptide affinity chromatography. Western Blotting
Western blot analysis of extracts from HeLa and C6 cells, untreated or UV-treated, using Phospho-SEK1/MKK4 (Ser257/Thr261) Antibody (upper) or SEK1/MKK4 Antibody #9152 (lower). |
| Background | SAPK/Erk kinase (SEK1), also known as MKK4 or Jun kinase kinase (JNKK), activates the MAP kinase homologues SAPK and JNK in response to various cellular stresses and inflamatory cytokines (1-3). Activation of SEK1 occurs through MEKK phosphorylation of serine and threonine residues at positions 257 and 261, respectively. Like MEK, SEK is a dual-specificity protein kinase that phosphorylates SAPK/JNK at a conserved T*PY* site in its activation loop (4). Phosphorylation by Akt at Ser80 inhibits SEK1 and suppresses stress-activated signal transduction (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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文献和实验下调不能说明活性降低，因为决定GSK3-beta的活性的还与其磷酸化的比例和磷酸化的位点有关。所以你除了要做GSK3-beta总的蛋白表达之外，还要做磷酸化的GSK3-beta的蛋白表达。 （2）应该活性形式和非活性形式都做。一般来讲，GSK3-beta在Ser9位点磷酸化之后活性收到抑制，而在216位点磷酸化之后，其活性收到加强。因此建议将GSK3-beta的两个磷酸化位点都做了，另外还要同时检测GSK3-beta的总蛋白表达，这样才能全面的说明问题。
Using Phospho‐Motif Antibodies to Determine Kinase Substrates
comprising both the phosphorylated residue and the surrounding residues that determine kinase specificity, with degenerate residues taking up the remaining positions. Currently, several categories of phospho?motif antibody are commercially available
v468. chapter 4 WNT 细胞通路 检测细胞GSK3活性与表达水平
4 ). 2. Other antibodies used were b-catenin (phospho-Thr41/Ser37/Ser33) (#9561; Cell Signaling Technology), b-catenin (#9562;Cell Signaling Technology), CRMP2 (pT514/509) (#PB-043; Kinasource, Dundee, Scotland) and CRMP2 (#AB-042;Kinasource). 3. Blocking buffer
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