>6U74_1|Chains A, B, C, D|Bromodomain-containing protein 4|Homo sapiens (9606) QGPLGSSTNPPPPETSNPNKPKRQTNQLQYLLRVVLKTLWKHQFAWPFQQPVDAVKLNLPDYYKIIKTPMDMGTIKKRLENNYYWNAQECIQDFNTMFTNCYIYNKPGDDIVLMAEALEKLFLQKINELPTEEPEFPGRLERPHRD >6U74_2|Chains E, F|cyclic peptide 3.1_2|synthetic construct (32630) XWKTIKGKTWRTKQCX