>tr|A0A250Y9K0|A0A250Y9K0_CASCN Ubiquitin-ribosomal protein eL40 fusion protein OS=Castor canadensis GN=UBA52 MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYN IQKESTLHLVLRLRGGIIEPSLRQLAQKYNCDKMICRKCYARLHPRAVNCRKKKCGHTNN LRPKKKVK