>4YYI_1|Chains A, B, D, E|Bromodomain-containing protein 9|Homo sapiens (9606) GSAENESTPIQQLLEHFLRQLQRKDPHGFFAFPVTDAIAPGYSMIIKHPMDFGTMKDKIVANEYKSVTEFKADFKLMCDNAMTYNRPDTVYYKLAKKILHAGFKMMSK >4YYI_2|Chains C, F|Histone H4|Homo sapiens (9606) SGRGKGGKGLG