| GO | Name |
| GO:0000209 | protein polyubiquitination |
| GO:0004222 | metalloendopeptidase activity |
| GO:0005758 | mitochondrial intermembrane space |
| GO:0005829 | cytosol |
| GO:0006508 | proteolysis |
| GO:0006518 | peptide metabolic process |
| GO:0042277 | peptide binding |
| GO:0046872 | metal ion binding |