| GO | Name |
| GO:0004766 | spermidine synthase activity |
| GO:0005829 | cytosol |
| GO:0006595 | polyamine metabolic process |
| GO:0006596 | polyamine biosynthetic process |
| GO:0008295 | spermidine biosynthetic process |
| GO:0042802 | identical protein binding |
| GO:0042803 | protein homodimerization activity |
| GO:1990830 | cellular response to leukemia inhibitory factor |