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Potent and selective BRPF1B bromodomain inhibitor (IC50 = 172 nM). Exhibits >100-fold selectivity for BRPF1 over a panel of other bromodomains including BRPF2 (BRD1), BRPF3 and BRD4. Disrupts BRPF1 binding to histone H3.3. Cell permeable. Inhibits osteoclastogenesis.
This probe is supplied in conjunction with the Structural Genomics Consortium. For further characterization details, please visit the PFI 4 probe summary on the SGC website.
|Storage||Store at +4°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions
The following data is based on the product molecular weight 380.44. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|0.5 mM||5.26 mL||26.29 mL||52.57 mL|
|2.5 mM||1.05 mL||5.26 mL||10.51 mL|
|5 mM||0.53 mL||2.63 mL||5.26 mL|
|25 mM||0.11 mL||0.53 mL||1.05 mL|
References are publications that support the biological activity of the product.
Demont et al (2014) 1,3-Dimethyl Benzimidazolones are potent, selective inhibitors of the BRPF1 bromodomain. ACS Med.Chem.Lett. 5 1190 PMID: 25408830
Meier et al (2017) Selective targeting of bromodomains of the bromodomain-PHD fingers family impairs osteoclast differentiation. ACS Chem.Biol. 12 2619 PMID: 28849908
If you know of a relevant reference for PFI 4, please let us know.
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Keywords: PFI 4, PFI 4 supplier, PFI4, potent, selective, BRPF1, bromodomains, epigenetics, inhibitors, inhibits, sgc, Bromodomains, 5576, Tocris Bioscience
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Literature in this Area
Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* your copy today!
*Please note that Tocris will only send literature to established scientific business / institute addresses.
Epigenetics Scientific Review
Written by Susanne Müller-Knapp and Peter J. Brown, this review gives an overview of the development of chemical probes for epigenetic targets, as well as the impact of these tool compounds being made available to the scientific community. In addition, their biological effects are also discussed. Epigenetic compounds available from Tocris are listed.
Epigenetics Research Bulletin
Produced by Tocris and updated in 2014, the epigenetics research bulletin gives an introduction into mechanisms of epigenetic regulation, and highlights key Tocris products for epigenetics targets including:
- DNA Methyltransferases
- Histone Deacetylases
- Histone Demethylases
- Histone Methyltransferases
Cell Cycle & DNA Damage Repair Poster
In normal cells, each stage of the cell cycle is tightly regulated, however in cancer cells many genes and proteins that are involved in the regulation of the cell cycle are mutated or over expressed. Adapted from the 2015 Cancer Product Guide, Edition 3, this poster summarizes the stages of the cell cycle and DNA repair. It also highlights strategies for enhancing replicative stress in cancer cells to force mitotic catastrophe and cell death.