Date published: 2025-11-24

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p-Rb Antibody (B-4): sc-514031

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Datasheets
  • p-Rb Antibody (B-4) is a mouse monoclonal IgM κ, cited in 1 publications, provided at 200 µg/ml
  • specific for an epitope mapping to a short amino acid sequence containing phosphorylated Ser 795 of Rb of human origin
  • recommended for detection of Ser 795 phosphorylated Rb of mouse, rat and human origin by WB, IP, IF and ELISA
  • TransCruz reagent for ChIP application (sc-514031 X, 200 µg/0.1 ml)
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for p-Rb Antibody (B-4). This work is in progress.

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p-Rb Antibody (B-4) is a mouse monoclonal IgM kappa antibody that detects Ser 795 phosphorylated Rb of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). p-Rb (B-4) antibody is available in a non-conjugated form, specifically designed for detecting phosphorylated retinoblastoma protein, which plays a crucial role in regulating cell cycle progression, differentiation, and apoptosis. Rb protein is primarily located in the nucleus, where Rb functions as a tumor suppressor by controlling the transition from G1 phase to S phase of the cell cycle. This localization enables Rb to interact with transcription factors and other regulatory proteins that govern cell proliferation. When Rb is phosphorylated at Ser 795, Rb undergoes a conformational change leading to inactivation, thereby releasing repression on target genes that promote cell cycle progression. Dysregulation of Rb, often due to mutations in the retinoblastoma tumor suppressor gene, is implicated in various cancers, including pediatric retinoblastoma, highlighting the importance of monitoring Rb phosphorylation status in cancer research and therapeutic development.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

p-Rb Antibody (B-4)

sc-514031
200 µg/ml
$316.00

p-Rb (B-4) Neutralizing Peptide

sc-514031 P
100 µg/0.5 ml
$68.00

p-Rb Antibody (B-4) X

sc-514031 X
200 µg/0.1 ml
$316.00

What application is the blocking peptide sc-514031 P appropriate for?

Asked by: Professor Griffin
Thank you for your question. The blocking peptide is intended for use as a negative control, by pre-adsorbing the mouse monoclonal antibody against the antigen. For full protocol details, please contact our Technical Services Department or view our online protocol here: https://www.scbt.com/scbt/resources/protocols/peptide-neutralization
Answered by: Technical Support
Date published: 2017-02-24
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Rated 1 out of 5 by from Didnot work for WBdid not work for western - samples were human cells in culture
Date published: 2017-11-21
Rated 2 out of 5 by from Not workIt didn't work for my samples. Not good for MCF7 cells
Date published: 2017-07-30
Rated 5 out of 5 by from GoodThe analysis results of Western blot were very strong and clear,I recommend use it.
Date published: 2017-06-12
Rated 3 out of 5 by from not suitable for turbotthere's no band in turbot. I used 1:100 and 1:2000 for second antibody ,exposed 10mns, no band
Date published: 2017-06-06
Rated 4 out of 5 by from turbotthere are too much band in turbot cell and the signal is very low so i cannot identify it。
Date published: 2017-05-31
Rated 5 out of 5 by from 效果好I have used this product one month ago.It is very clear in western bloting,very good!
Date published: 2017-01-17
Rated 5 out of 5 by from Great Western blot data of Rb phosphorylationGreat Western blot data of Rb phosphorylation expression in MOLT-4 and forskolin treated MOLT-4 whole cell lysates. -SCBT QC
Date published: 2013-02-27
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p-Rb Antibody (B-4) is rated 3.6 out of 5 by 7.
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