>6U6K_1|Chain A|Bromodomain-containing protein 4|Homo sapiens (9606) QGPLGSSTNPPPPETSNPNKPKRQTNQLQYLLRVVLKTLWKHQFAWPFQQPVDAVKLNLPDYYKIIKTPMDMGTIKKRLENNYYWNAQECIQDFNTMFTNCYIYNKPGDDIVLMAEALEKLFLQKINELPTEEPEFPGRLERPHRD >6U6K_2|Chain B[auth C]|cyclic peptide 3.1_3|synthetic construct (32630) XWWIIPKVKKGCX