Background:The adenovirus E1A-associated cellular p300 transcriptional co-activator protein functions as a histone acetyltransferase that regulates transcription via chromatin remodeling and is important in the processes of cell proliferation and differentiation. p300 (also known as KAT3B) acetylates all four core histones in nucleosomes, as well as non-histone targets. p300 mediates cAMP-gene regulation by binding specifically to phosphorylated CREB protein. p300 has also been identified as a co-activator of HIF1A (hypoxia-inducible factor 1 alpha), which plays a role in the stimulation of hypoxia-induced genes such as VEGF. Defects in this gene are a cause of Rubinstein-Taybi syndrome and its dysfunction is linked to a number of human diseases including Parkinson’s, Huntington’s, and Alzheimer’s diseases. p300 may also play a role in epithelial cancer. Description:The p300 Chemiluminescent Assay Kit is an enzyme-linked immunosorbent assay (ELISA) designed to screen for inhibitors of p300. The P300 Chemiluminescent Assay Kit is based on the p300 enzyme transferring an acetyl group from an acetyl donor (acetyl CoA) to a histone substrate. The acetylated histone is recognized by a highly specific primary antibody, followed by an HRP-labeled secondary antibody. The chemiluminescence produced by HRP can be measured using a chemiluminescence reader. UniProt Q09472 Synonym(s): EP300, KAT3B, RSTS2, E1A binding protein Supplied As: Kit comes in a convenient format, with a 96-well plate precoated with Neutravidin and Histone peptide, and all the reagents necessary for 96 chemiluminescent P300 activity measurements. In addition, the kit includes purified p300 for use as a positive con Contraindications: DMSO >1%, strong acids or bases, ionic detergents, high salt. Format:

COMPONENTS:

Storage / Stability:

Stable at least 6 months from date of receipt, when stored as directed. Kit components require different storage conditions. Be sure to store each component at the proper temperature upon arrival.

Application(s): Great for studying enzyme activity and screening small molecular inhibitors for drug discovery and HTS applications. Reference(s):

Ravindra, K. C., et al. (2012). Chem Res Toxicol. 25(2): 337–347.

Warning(s): Avoid freeze/thaw cycles Scientific Category: Acetyltransferase Product Type: Assay Kit Data shown is lot-specific. Contact us for specific information on other lots.

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