| Code | CSB-RA024077A392phHU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| WB | 1:500-1:5000 |
Phosphorylation of tumor suppressor p53 at serine 392 represents a critical regulatory modification that enhances p53's sequence-specific DNA binding activity and influences its stability during cellular stress responses. This C-terminal phosphorylation event, mediated by kinases including CK2 and p38 MAPK, plays an important role in modulating p53's transcriptional program following DNA damage, making it a valuable marker for researchers investigating cell cycle checkpoint control, apoptotic signaling, and tumor suppressor function.
This recombinant monoclonal antibody, generated against a synthetic phosphopeptide corresponding to the human Phospho-TP53 (S392) region, offers the reproducibility and consistency that phospho-specific detection demands. Because recombinant antibodies are produced from defined sequences rather than hybridoma-derived sources, you can expect uniform performance across experiments and between lots—an essential consideration when tracking subtle changes in phosphorylation status across treatment conditions or time courses.
Validation in western blot applications demonstrates reliable detection in human 293 cell lysates, with the antibody successfully distinguishing phosphorylated p53 in cells treated with the phosphatase inhibitor Calyculin A compared to untreated controls. The observed band at 53 kDa matches the predicted molecular weight, confirming specific recognition of the target. For western blot experiments, dilutions ranging from 1:500 to 1:5000 provide flexibility to optimize signal intensity based on your sample type and detection system. The antibody is also validated for ELISA applications.
Whether you're characterizing stress-induced p53 activation, screening compounds that affect checkpoint signaling, or investigating the functional consequences of site-specific phosphorylation, this antibody provides a dependable tool for your cell biology research.
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