Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| B | 0003824 | molecular_function | catalytic activity |
| C | 0003824 | molecular_function | catalytic activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE SPM A 501 |
| Chain | Residue |
| A | TRP51 |
| A | GLU231 |
| A | TYR264 |
| A | PRO265 |
| A | ILE269 |
| A | MTA401 |
| A | HOH631 |
| A | GLN93 |
| A | TYR102 |
| A | HIS103 |
| A | ASP127 |
| A | ASP196 |
| A | SER197 |
| A | ASP199 |
| A | GLN229 |
| site_id | AC2 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE SPM B 502 |
| Chain | Residue |
| B | TRP51 |
| B | GLN93 |
| B | TYR102 |
| B | HIS103 |
| B | ASP127 |
| B | ASP196 |
| B | SER197 |
| B | ASP199 |
| B | GLN229 |
| B | GLU231 |
| B | TYR264 |
| B | MTA402 |
| B | HOH548 |
| site_id | AC3 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE SPM C 503 |
| Chain | Residue |
| C | TRP51 |
| C | GLN93 |
| C | TYR102 |
| C | HIS103 |
| C | ASP127 |
| C | ASP196 |
| C | SER197 |
| C | ASP199 |
| C | GLU231 |
| C | SER232 |
| C | TYR264 |
| C | PRO265 |
| C | CYS268 |
| C | ILE269 |
| C | MTA403 |
| C | HOH611 |
| site_id | AC4 |
| Number of Residues | 20 |
| Details | BINDING SITE FOR RESIDUE MTA A 401 |
| Chain | Residue |
| A | GLN72 |
| A | GLN93 |
| A | GLY124 |
| A | GLY125 |
| A | ASP127 |
| A | CYS146 |
| A | GLU147 |
| A | ILE148 |
| A | ASP149 |
| A | VAL152 |
| A | GLU177 |
| A | ASP178 |
| A | ALA179 |
| A | ASP196 |
| A | SER198 |
| A | PRO203 |
| A | ALA204 |
| A | THR206 |
| A | LEU207 |
| A | SPM501 |
| site_id | AC5 |
| Number of Residues | 21 |
| Details | BINDING SITE FOR RESIDUE MTA B 402 |
| Chain | Residue |
| B | GLN72 |
| B | LEU88 |
| B | GLN93 |
| B | GLY124 |
| B | GLY125 |
| B | ASP127 |
| B | CYS146 |
| B | GLU147 |
| B | ILE148 |
| B | ASP149 |
| B | VAL152 |
| B | ASP178 |
| B | ALA179 |
| B | ASP196 |
| B | SER197 |
| B | SER198 |
| B | PRO203 |
| B | ALA204 |
| B | THR206 |
| B | LEU207 |
| B | SPM502 |
| site_id | AC6 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE MTA C 403 |
| Chain | Residue |
| C | PRO203 |
| C | ALA204 |
| C | THR206 |
| C | SPM503 |
| C | GLN72 |
| C | LEU88 |
| C | GLN93 |
| C | GLY124 |
| C | ASP127 |
| C | CYS146 |
| C | GLU147 |
| C | ILE148 |
| C | ASP149 |
| C | VAL152 |
| C | ASP178 |
| C | ALA179 |
| C | ASP196 |
| C | SER198 |
Functional Information from PROSITE/UniProt
| site_id | PS01330 |
| Number of Residues | 14 |
| Details | PABS_1 Polyamine biosynthesis (PABS) domain signature. VLVVGGGdGgiIrE |
| Chain | Residue | Details |
| A | VAL120-GLU133 | |
