| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004766 | molecular_function | spermidine synthase activity |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| A | 0006596 | biological_process | polyamine biosynthetic process |
| A | 0008295 | biological_process | spermidine biosynthetic process |
| A | 0016740 | molecular_function | transferase activity |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0004766 | molecular_function | spermidine synthase activity |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005829 | cellular_component | cytosol |
| B | 0006596 | biological_process | polyamine biosynthetic process |
| B | 0008295 | biological_process | spermidine biosynthetic process |
| B | 0016740 | molecular_function | transferase activity |
| C | 0003824 | molecular_function | catalytic activity |
| C | 0004766 | molecular_function | spermidine synthase activity |
| C | 0005737 | cellular_component | cytoplasm |
| C | 0005829 | cellular_component | cytosol |
| C | 0006596 | biological_process | polyamine biosynthetic process |
| C | 0008295 | biological_process | spermidine biosynthetic process |
| C | 0016740 | molecular_function | transferase activity |