| Chain | GOid | namespace | contents |
| A | 0005829 | cellular_component | cytosol |
| A | 0006152 | biological_process | purine nucleoside catabolic process |
| A | 0006166 | biological_process | purine ribonucleoside salvage |
| A | 0008477 | molecular_function | purine nucleosidase activity |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| A | 0016799 | molecular_function | hydrolase activity, hydrolyzing N-glycosyl compounds |
| A | 0016810 | molecular_function | hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds |
| A | 0020015 | cellular_component | glycosome |
| A | 0046872 | molecular_function | metal ion binding |