| Code | CSB-RA821481A0HU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| WB | 1:500-1:5000 |
TATA-box-binding protein (TBP) serves as a fundamental component of the transcription machinery, functioning as the DNA-binding subunit of transcription factor TFIID. This universal transcription factor recognizes and binds the TATA box promoter element, positioning it as an essential regulator of RNA polymerase II-mediated gene expression. Given its constitutive expression across cell types, TBP has become a widely adopted loading control for normalization in gene expression studies and protein quantification experiments.
This recombinant monoclonal antibody, clone 3C7, offers researchers the reproducibility advantages inherent to sequence-defined antibody production. Because the antibody sequence is fixed and expressed in a controlled system, you can expect consistent performance across different lots, eliminating the variability that can complicate long-term studies or multi-site collaborations. The rabbit IgG format provides strong signal amplification when paired with standard secondary detection systems.
Validation in western blot applications demonstrates reliable TBP detection across multiple human cell lines, including HeLa, K562, Jurkat, and HL60 whole cell lysates. At a working dilution of 1:2000, the antibody produces a clean band at the expected 36 kDa molecular weight, consistent with one of the predicted isoforms. This performance across diverse cell types, spanning cervical carcinoma, chronic myelogenous leukemia, T-cell leukemia, and acute promyelocytic leukemia origins, confirms robust detection regardless of cellular background.
The flexible dilution range of 1:500 to 1:5000 for western blotting allows optimization for different experimental conditions and detection systems. Researchers working in epigenetics, nuclear signaling, or any application requiring reliable loading controls will find this antibody a dependable tool for their quantitative analyses.
Applications : Western blot analysis
Sample type: cell
Review: The expression of hub proteins (TNF, ESR1, MCL1, TBP, CD19, LCK, PCNA, CHEK1, and POLA1) in HeLa cells treated with N-CM and H-CM. The expression of hub proteins in HeLa cells treated with N-CM and H-CM for 24 h was analyzed with Western blotting.
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