>4YYG_1|Chain A|Bromodomain-containing protein 9|Homo sapiens (9606) GSAENESTPIQQLLEHFLRQLQRKDPHGFFAFPVTDAIAPGYSMIIKHPMDFGTMKDKIVANEYKSVTEFKADFKLMCDNAMTYNRPDTVYYKLAKKILHAGFKMMSK >4YYG_2|Chain B|Histone H4|Homo sapiens (9606) SGRGXGGXGLG