>3UW9_1|Chains A, B, C, D|Bromodomain-containing protein 4|Homo sapiens (9606) SMNPPPPETSNPNKPKRQTNQLQYLLRVVLKTLWKHQFAWPFQQPVDAVKLNLPDYYKIIKTPMDMGTIKKRLENNYYWNAQECIQDFNTMFTNCYIYNKPGDDIVLMAEALEKLFLQKINELPTEE >3UW9_2|Chains E, F|Histone H4|Homo sapiens (9606) GKGLGKGGAKR