| Code | CSB-RA618017A250phHU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| WB | 1:500-1:5000 |
SMAD2 serves as a critical intracellular mediator of TGF-β signaling, translating extracellular signals into transcriptional responses that govern cell proliferation, differentiation, and tissue homeostasis. Phosphorylation at serine 250 represents a key regulatory modification that modulates SMAD2 activity and nuclear translocation, making this site particularly valuable for researchers investigating TGF-β pathway dynamics in contexts ranging from developmental biology to fibrosis and cancer progression.
This recombinant monoclonal antibody, clone 4D12, offers the reproducibility and consistency that phospho-specific detection demands. Because recombinant antibodies are produced from defined sequences rather than traditional hybridoma methods, you can expect reliable performance across experiments and over time—an important consideration when tracking subtle changes in phosphorylation status. The rabbit IgG format and affinity-chromatography purification further ensure high specificity for the phosphorylated epitope.
Validation studies confirm robust performance in Western blot applications, where the antibody detects phospho-SMAD2 at the expected 58 kDa molecular weight in both HeLa and A549 whole cell lysates. These human cell lines represent useful models for studying TGF-β signaling in epithelial contexts, and the clean detection at predicted size indicates specific recognition of the target without confounding post-translational modifications affecting migration. The recommended working dilution range of 1:500 to 1:5000 provides flexibility to optimize signal-to-background ratio for your specific experimental conditions. ELISA compatibility extends its utility for quantitative applications.
For researchers exploring TGF-β signal transduction, EMT mechanisms, or SMAD-dependent transcriptional regulation, this phospho-specific antibody provides a dependable tool for monitoring pathway activation in human samples.
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