>1ZGU_2|Chain B|Ubiquitin|Homo sapiens (9606)
MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGRQLEDGRTLSDYNIQKESTLHLVLRLRGG
>1ZGU_1|Chain A|Ubiquitin-conjugating enzyme E2 variant 2|Homo sapiens (9606)
VKVPRNFRLLEELEEGQKGVGDGTVSWGLEDDEDMTLTRWTGMIIGPPRTNYENRIYSLKVECGPKYPEAPPSVRFVTKINMNGINNSSGMVDARSIPVLAKWQNSYSIKVVLQELRRLMMSKENMKLPQPPEGQTYNN