2099142-76-2

BAY-850 is a potent and isoform selective ATPase family AAA domain-containing protein 2 (ATAD2) inhibitor, with an IC50 of 166 nM.

BAY-850 is a chemical probe th at targets ATPase family AAA domain-containing protein 2 (ATAD2) bromodomain (BD) with submicromolar affinity (Kd of 84.9 nM by MST and 120 nM by BROMOscan) and high selectivity over all other bromodomains tested (no BROMOscan hits at 10 μM). BAY-850 blocks ATAD2 BD from binding acetylated H4 peptide in cell-free assays (IC50 of 20 nM) and displaces full-length ATAD2 from chromatin in live cells (effctive conc. 1 μM by HTRF). To avoid potential unspecific off-target effectsconcentrations above 5 μM are not recommended. BAY-460 is a companion control compound with strongly reduced ATAD2 inhibitory potency (IC50 = 16 μM by cell-based HTRF assay; no activity at 10 μM by BROMOscan).

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[1] Fernández-Montalván AE, et al. Isoform-Selective ATAD2 Chemical Probe with Novel Chemical Structure and Unusual Mode of Action. ACS Chem Biol. 2017 Nov 17;12(11):2730-2736. DOI:10.1021/acschembio.7b00708