>9MUX_1|Chain A|E3 ubiquitin-protein ligase UBR1|Homo sapiens (9606) GPLGSQLCGRVFKSGETTYSCRDCAIDPTCVLCMDCFQDSVHKNHRYKMHTSTGGGFCDCGDTEAWKTGPFCVNHEP >9MUX_2|Chain B[auth D]|ARG-TRP-ALA-NH2 peptide|synthetic construct (32630) RWAX