>4YYJ_1|Chains A, B, D, E|Bromodomain-containing protein 9|Homo sapiens (9606) GSAENESTPIQQLLEHFLRQLQRKDPHGFFAFPVTDAIAPGYSMIIKHPMDFGTMKDKIVANEYKSVTEFKADFKLMCDNAMTYNRPDTVYYKLAKKILHAGFKMMSK >4YYJ_2|Chains C, F|Histone H4|Homo sapiens (9606) SGRGXGGXGLG