Mouse monoclonal antibody to p300 [RW105 ]p300 is a relatively stable, ubiquitously expressed, nuclear phosphoprotein which is conserved among a variety of mammalian species. It is actively synthesized and phosphorylated in both quiescent and proliferating cells.Cyclic AMP-responsive enhancer binding protein (CREB) binding protein (CBP) and p300 are closely related transcriptional coactivators and have been shown to directly interact with many different DNA-binding transcription factors including nuclear hormone receptors, CREB, c-Fos, C-Jun/v-Jun, c-Myb/v-Myb, TFIIB and MyoD. Both CBP and p300 have been shown to display histone acetyltransferase (HAT) activity, capable of acetylating all four core histone particles in nucleosomes. As a result of HAT activity, it has been suggested CBP and p300 may play a direct role in activating chromatin for transcription.
Immunogen
Fusion protein containing residues 1572-2371 of human p300.
Key Feature
Clonality
Monoclonal
Isotype
IgG1
Clone Number
RW105
Host Species
Mouse
Tested Applications
ICC/IFIPWBChIP
This antibody may be used in Western blot where a band is seen at ~300 kDa, representing the p300 protein. Lower non-specific MW bands (~45-66 kDa) may be seen with longer exposure times. Past productions of this antibody have also been used for immunoprecipitation and immunofluorescence (formalin-fixed paraffin-embedded sections never tested) but this lot has not yet been tested in such applications.Suggested working dilutions: WB:1:250-1:500.ICC/IF:1:50-1:200.IP:1:10-1:500*The investigator should determine the optimal working dilution for a specific application.:
Species Reactivity
HumanMouseMonkeyRatMink
Concentration
1mg/ml (Please refer to the vial label for the specific concentration)
Target Information
Gene Synonyms
KAT3B RSTS2 p300
Target
p300
Tissue Specificity
This antibody is specific for p300 protein. This antibody recognizes residues 1921-2023.
Cellular Localization
Nuclear
Application
Application
Western Blot: KAT3B/p300 Antibody (RW105) [ - p300 detected in a HeLa nuclear extract using (1:250). ECL: 20 minute exposure
Positive Control
HeLa nuclear extracts
Application Notes
This antibody may be used in Western blot where a band is seen at ~300 kDa, representing the p300 protein. Lower non-specific MW bands (~45-66 kDa) may be seen with longer exposure times. Past productions of this antibody have also been used for immunoprecipitation and immunofluorescence (formalin-fixed paraffin-embedded sections never tested) but this lot has not yet been tested in such applications.Suggested working dilutions: WB:1:250-1:500.ICC/IF:1:50-1:200.IP:1:10-1:500*The investigator should determine the optimal working dilution for a specific application.:
Additional Information
Form
Liquid
Storage Instructions
Aliquot and store in working volumes at -20 degrees Celcius or below. Avoid freeze-thaw cycles.