>6U8G_1|Chains A, B, C, D|Bromodomain-containing protein 4|Homo sapiens (9606) QGPLGSSTNPPPPETSNPNKPKRQTNQLQYLLRVVLKTLWKHQFAWPFQQPVDAVKLNLPDYYKIIKTPMDMGTIKKRLENNYYWNAQECIQDFNTMFTNCYIYNKPGDDIVLMAEALEKLFLQKINELPTEEPEFPGRLERPHRD >6U8G_2|Chains E, F|cyclic peptide 3.1_2_AcK7toA|synthetic construct (32630) XWKTIKGATWRTKQCX