GO biological process

protein ubiquitination, protein ubiquitination involved in ubiquitin-dependent protein catabolic process, protein polyubiquitination, positive regulation of proteasomal ubiquitin-dependent protein catabolic process

GO cellular component

nucleus, ubiquitin ligase complex, cytoplasm

GO molecular function

ubiquitin conjugating enzyme binding, ubiquitin protein ligase activity, metal ion binding, ubiquitin-protein transferase activity