PFI-4 is a potent and selective BRPF1 bromodomain inhibitor (IC50 = 80 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.
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