>6ULV_1|Chains A, B, C, D|Bromodomain-containing protein 4|Homo sapiens (9606) QGPLGSSTNPPPPETSNPNKPKRQTNQLQYLLRVVLKTLWKHQFAWPFQQPVDAVKLNLPDYYKIIKTPMDMGTIKKRLENNYYWNAQECIQDFNTMFTNCYIYNKPGDDIVLMAEALEKLFLQKINELPTEEPEFPGRLERPHRD >6ULV_2|Chains E, F[auth G]|Cyclic peptide 4.2_3|synthetic construct (32630) XWKNWCWLKRKLLLRX