>2KDE_2|Chains B, C|Ubiquitin|Xenopus laevis (8355)
MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG
>2KDE_1|Chain A|26S proteasome non-ATPase regulatory subunit 4|Homo sapiens (9606)
MLGLGASDFEFGVDPSADPELALALRVSMEEQRQRQEEEARRAAAASAAEAGIATTGTEDSDDALLKMTISQQEFGRTGLPDLSSMTEEEQIAYAMQMSLQGAEFGQAESA