| homocysteine catabolic process |
| homocysteine metabolic process |
| sulfur amino acid catabolic process |
| carboxypeptidase activity |
| aminopeptidase activity |
| cysteine-type peptidase activity |
| sulfur amino acid metabolic process |
| sulfur compound catabolic process |
| cysteine-type endopeptidase activity |
| alpha-amino acid catabolic process |
| cellular amino acid catabolic process |
| alpha-amino acid metabolic process |
| carboxylic acid catabolic process |
| organic acid catabolic process |
| protein polyubiquitination |
| cellular amino acid metabolic process |
| sulfur compound metabolic process |
| small molecule catabolic process |
| response to toxic substance |
| protein ubiquitination |
| protein modification by small protein conjugation |
| carboxylic acid metabolic process |
| protein modification by small protein conjugation or removal |
| oxoacid metabolic process |
| response to drug |
| organic acid metabolic process |
| organonitrogen compound catabolic process |
| identical protein binding |
| proteolysis |
| small molecule metabolic process |
| organic substance catabolic process |
| cellular catabolic process |