>5KHY_1|Chain A|Polyubiquitin-B|Homo sapiens (9606) MQIFVXTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRL >5KHY_2|Chain B|Polyubiquitin-B|Homo sapiens (9606) MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRG