>4JJQ_1|Chain A|Ubiquitin carboxyl-terminal hydrolase 7|Homo sapiens (9606) GSMTAEEDMEDDTSWRSEATFQFTVERFSRLSESVLSPPCFVRNLPWKIMVMPRFYPDRPHQKSVGFFLQCNAESDSTSWSCHAQAVLKIINYRDDEKSFSRRISHLFFHKENDWGFSNFMAWSEVTDPEKGFIDDDKVTFEVFVQADAPHGVAWASTS >4JJQ_2|Chain B|Ubiquitin-conjugating enzyme E2 E1|Homo sapiens (9606) DSRASTSSSS