| GO | Name |
| GO:0004842 | ubiquitin-protein transferase activity |
| GO:0005737 | cytoplasm |
| GO:0005829 | cytosol |
| GO:0016579 | protein deubiquitination |
| GO:0031965 | nuclear membrane |
| GO:0046872 | metal ion binding |
| GO:0051603 | proteolysis involved in cellular protein catabolic process |