- 询价
- Cell Signaling Technology
- 2338
- USA
- 2025年11月17日
- W, IHC-P, F
- H,M,R,Mk,Dg
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Phospho-MEK1/2 (Ser221) (166F8) Rabbit mAb
- 抗原：
synthetic phosphopeptide corresponding to residues surrounding Ser221 of human MEK1/2
- 应用范围：
W, IHC-P, F
- 保质期：
详见说明书
- 供应商：
CST
- 级别：
详见MSDS文件
- 库存：
大量
- 适应物种：
H,M,R,Mk,Dg
- 是否单克隆：
1
- 保存条件：
-20°c
- 规格：
100 ul (10 western blots)/300 ul (30 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： | 300 ul (30 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 IHC-P=Immunohistochemistry (Paraffin) F=Flow Cytometry
Reactivity Key: H=Human M=Mouse R=Rat Mk=Monkey Dg=Dog
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) | Isotype |
|---|---|---|---|---|
| W IHC-P F | H M R Mk (Dg) | Endogenous | 45 | Rabbit IgG |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Phospho-MEK1/2 (Ser 221) (166F8) Rabbit mAb detects endogenous levels of MEK1/2 only when phosphorylated at serine 221. |
| Source / Purification | Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser221 of human MEK1/2. Western Blotting
Western blot analysis of extracts from HeLa and NIH/3T3 cells, untreated or TPA and UV-treated, using Phospho-MEK1/2 (Ser221) (166F8) Rabbit mAb (upper) or MEK1/2 Antibody #9122 (lower). IHC-P (paraffin)
Immunohistochemical analysis of formalin fixed, paraffin-embedded A375 cells, untreated (left) or treated with Raf1 Kinase Inhibitor 1 (right), using Phospho-MEK1/2 (Ser 221) (166F8) Rabbit mAb. IHC-P (paraffin)
Immunohistochemical analysis of paraffin-embedded human breast carcinoma, using Phospho-MEK1/2 (Ser221)(166F8) Rabbit mAb. IHC-P (paraffin)
Immunohistochemical analysis of paraffin-embedded human lung carcinoma, using Phospho-MEK1/2 (Ser221) (166F8) Rabbit mAb. IHC-P (paraffin)
Immunohistochemical analysis of paraffin-embedded prostate carcinoma, untreated (left) or lambda phosphatase-treated (right), using Phospho-MEK1/2 (Ser221) (166F8) Rabbit mAb. Flow Cytometry
Flow cytometric analysis of Jurkat cells, untreated (blue) or PMA-treated (green), using Phospho-MEK1/2 (Ser221) (166F8) Rabbit mAb compared to a nonspecific negative control antibody (red). |
| Background | MEK1 and MEK2, also called MAPK or Erk kinases, are dual-specificity protein kinases that function in a mitogen activated protein kinase cascade controlling cell growth and differentiation (1-3). Activation of MEK1 and MEK2 occurs through phosphorylation of two serine residues at positions 217 and 221, located in the activation loop of subdomain VIII, by Raf-like molecules. MEK1/2 is activated by a wide variety of growth factors and cytokines and also by membrane depolarization and calcium influx (1-4). Constitutively active forms of MEK1/2 are sufficient for the transformation of NIH/3T3 cells or the differentiation of PC-12 cells (4). MEK activates p44 and p42 MAP kinase by phosphorylating both threonine and tyrosine residues at sites located within the activation loop of kinase subdomain VIII. |
| 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 |
Rabbit Monoclonals Produced Using Epitomics® Technology, U.S. Patent No. 5,675,063. For Research Use Only. Not For Use In Diagnostic Procedures. |
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文献和实验：使用 Anti-phospho-Akt (Ser473) Rabbit mAb 对石蜡包埋的人乳腺癌组织进行免疫组织化学分析。（图 A）使用免疫组化试剂盒M&R HRP/DAB Detection IHC Kit，抗体 1:100 稀释；(图 B) 采用普通免疫组化试剂盒，抗体 1:25 稀释。 图 6 免疫组化实验检测 Erk1/2 表达 注：使用 Anti-Erk1/2 Mouse mAb与p44/42 MAPK （Erk1/2）Rabbit mAb 对正常小鼠心脏组织进行免疫
TBS 和 5% NGS 中封闭样品。市售的含有酪蛋白的封闭溶液与磷酸化的一抗结合后易减弱信号；因此，我们建议不使用含有酪蛋白的封闭剂进行磷酸化特异性抗体的检测。以上针对封闭步骤所提建议均是在以 SignalStain. Boost IHC Detection Reagent 作为检测试剂的情况下提出的。如果选择使用其他检测试剂，我们则建议使用与二抗来源相同的血清进行封闭。抗体：Phospho–Histone H2A.X (Ser139) (20E3) Rabbit mAb #9718样本：石蜡
(Ser473)(193H12)Rabbit mAb，1:300,稀释，二抗是驴抗兔，1：2000，我是实验室的新手，刚呆俩月，受 此挫折，一头雾水，请过来人或者有经验的同学帮忙解答怎样解决，非常感谢！ 碧峤 pAkt有两个位点，Ser473和Thr308，其中Ser473相对容易显色。如果显色失败，可能的原因:1 上样量过少，我们一般都是30μg；2 一抗孵育时间过短，我们一般24h~48h；3 一抗是否工作有待排除 米宝
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