- 询价
- Cell Signaling Technology
- 3675
- USA
- 2025年12月18日
- W, IF-IC
- H,M,R,B,Pg
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Phospho-Myosin Light Chain 2 (Ser19) Mouse mAb
- 抗原：
synthetic phosphopeptide corresponding to residues surrounding Ser19 of human myosine light chain 2 (smooth muscle)
- 应用范围：
W, IF-IC
- 供应商：
CST
- 级别：
详见MSDS文件
- 保质期：
详见说明书
- 库存：
大量
- 适应物种：
H,M,R,B,Pg
- 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 IF-IC=Immunofluorescence (Immunocytochemistry)
Reactivity Key: H=Human M=Mouse R=Rat B=Bovine Pg=Pig
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 IF-IC | H M R B Pg | Endogenous | 18 | Mouse IgG1 |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Phospho-Myosin Light Chain 2 (Ser19) Mouse mAb detects endogenous levels of myosin light chain 2 (smooth muscle) only when phosphorylated at serine 19. This antibody does not cross-react with the cardiac isoform of myosin light chain 2. |
| Source / Purification | Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser19 of human myosine light chain 2 (smooth muscle). Western Blotting
Western blot analysis of extracts from HEK293, C2C12, and C6 cells, untreated (-) or lamda phosphatase treated (+), using Myosin Light Chain 2 Antibody #3672 (upper) or Phospho-Myosin Light Chain 2 (Ser19) Mouse mAb (lower). IF-IC
Confocal immunofluorescent images of HeLa cells, untreated (left) or phosphatase-treated (right), labeled with Phospho-Myosin Light Chain 2 (Ser19) Mouse mAb (green). Actin filaments have been labeled with Alexa Fluor® 555 phalloidin (red). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye). |
| Background | Myosin is composed of six polypeptide chains: two identical heavy chains and two pairs of light chains. Myosin light chain 2 (MLC2), also known as myosin regulatory light chain (MRLC or RLC, LC20), has many isoforms depending on its distribution. In smooth muscle, MLC2 is phosphorylated at Thr18 and Ser19 by myosin light chain kinase (MLCK) in a Ca2+ /calmodulin-dependent manner (1). This phosphorylation is correlated with myosin ATPase activity and smooth muscle contraction (2). ROCK also phosphorylates Ser19 of smooth muscle MLC2, which regulates the assembly of stress fibers (3). Phosphorylation of smooth muscle MLC2 at Ser1/Ser2 and Ser9 by PKC and cdc2 has been reported to inhibit myosin ATPase activity (4,5). Phosphorylation by cdc2 controls the timing of cytokinesis (5). Transgenic mice lacking phosphorylation sites on the cardiac muscle isoform show morphological and functional abnormalities (6).
|
| 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Myosin Light Chain Preparation
in lyophilizer bottles and freeze in liquid nitrogen.Put on lyophilizer and leave until dry (overnight or over weekend). Day 5 22.Resuspend separate light chain pools 1 and 2 in a small volume of Dialyzing Solution G.Pipette into dialyzing tubing (size #20
Purification of Myosin Light Chain Kinase
RPM (4℃).Filter the supernatant through glass wool and discard the pellet (or save for light chain prep).Save 1 ml of supernatant (4℃)for assay.Add pepstatin and TLCK to final concentrations of 1 μg/ml and 40 Og/ml,respectively. Volume of supernatant
：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
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