>9n1f_C mol:protein length:145 Ubiquitin-conjugating enzyme E2 variant 2MAVSTGVKVPRNFRLLEELEEGQKGVGDGTVAWGLEDDEDMTLTRWTGMIIGPPRTNYENRIYSLKVECGPKYPEAPPSVRFVTKINMNGINNSSGMVDARSIPVLAKWQNSYSIKVVLQELRRLMMSKENMKLPQPPEGQTYNN