Bromodomain Interactions with Acetylated Histone 4 Peptides in the BRD4 Tandem Domain : Effects on Domain Dynamics and Internal Flexibility
The bromodomain and extra-terminal (BET) protein BRD4 regulates gene expression via recruitment of transcriptional regulatory complexes to acetylated chromatin. Like other BET proteins, BRD4 contains two bromodomains, BD1 and BD2, that can interact cooperatively with target proteins and designed ligands, with important implications for drug discovery. Here, we used nuclear magnetic resonance (NMR)