Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004766 | molecular_function | spermidine synthase activity |
| A | 0006596 | biological_process | polyamine biosynthetic process |
| A | 0016740 | molecular_function | transferase activity |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0004766 | molecular_function | spermidine synthase activity |
| B | 0006596 | biological_process | polyamine biosynthetic process |
| B | 0016740 | molecular_function | transferase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 19 |
| Details | binding site for residue S4M A 501 |
| Chain | Residue |
| A | GLN40 |
| A | ASP120 |
| A | VAL123 |
| A | ASP149 |
| A | GLY150 |
| A | ASP168 |
| A | THR169 |
| A | THR170 |
| A | PRO175 |
| A | ALA176 |
| A | LEU179 |
| A | LEU59 |
| A | GLN64 |
| A | HIS74 |
| A | GLY95 |
| A | ASP98 |
| A | VAL117 |
| A | ASP118 |
| A | ILE119 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue 1SQ A 502 |
| Chain | Residue |
| A | ILE63 |
| A | GLN64 |
| A | TYR73 |
| A | THR169 |
| A | GLN201 |
| A | VAL234 |
| A | THR236 |
| site_id | AC3 |
| Number of Residues | 20 |
| Details | binding site for residue S4M B 501 |
| Chain | Residue |
| B | GLN40 |
| B | LEU59 |
| B | GLN64 |
| B | HIS74 |
| B | GLY95 |
| B | ASP98 |
| B | VAL117 |
| B | ASP118 |
| B | ILE119 |
| B | ASP120 |
| B | VAL123 |
| B | ASP149 |
| B | GLY150 |
| B | ASP168 |
| B | THR169 |
| B | THR170 |
| B | PRO175 |
| B | ALA176 |
| B | LEU179 |
| B | 1SQ502 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | binding site for residue 1SQ B 502 |
| Chain | Residue |
| B | ILE63 |
| B | GLN64 |
| B | TYR73 |
| B | THR169 |
| B | THR236 |
| B | TYR237 |
| B | S4M501 |
Functional Information from PROSITE/UniProt
| site_id | PS01330 |
| Number of Residues | 14 |
| Details | PABS_1 Polyamine biosynthesis (PABS) domain signature. VLIIGGGdGgvLrE |
| Chain | Residue | Details |
| A | VAL91-GLU104 | |
