| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0008782 | molecular_function | adenosylhomocysteine nucleosidase activity |
| A | 0008930 | molecular_function | methylthioadenosine nucleosidase activity |
| A | 0009116 | biological_process | nucleoside metabolic process |
| A | 0009164 | biological_process | nucleoside catabolic process |
| A | 0019509 | biological_process | L-methionine salvage from methylthioadenosine |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0008782 | molecular_function | adenosylhomocysteine nucleosidase activity |
| B | 0008930 | molecular_function | methylthioadenosine nucleosidase activity |
| B | 0009116 | biological_process | nucleoside metabolic process |
| B | 0009164 | biological_process | nucleoside catabolic process |
| B | 0019509 | biological_process | L-methionine salvage from methylthioadenosine |