Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 19 |
| Details | BINDING SITE FOR RESIDUE SAH A 401 |
| Chain | Residue |
| A | ARG249 |
| A | TYR361 |
| A | TYR368 |
| A | PHE373 |
| A | VAL374 |
| A | HOH505 |
| A | HOH520 |
| A | HOH600 |
| A | HOH615 |
| A | HOH648 |
| C | LYS27 |
| A | GLU250 |
| A | PHE252 |
| A | ASP285 |
| A | SER286 |
| A | ARG312 |
| A | PHE313 |
| A | SER315 |
| A | GLY316 |
| site_id | AC2 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE DMS A 402 |
| site_id | AC3 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE SAH B 401 |
| Chain | Residue |
| B | LEU187 |
| B | GLU250 |
| B | PHE252 |
| B | ASP285 |
| B | ARG312 |
| B | SER315 |
| B | GLY316 |
| B | TYR361 |
| B | TYR368 |
| B | PHE373 |
| B | VAL374 |
| B | HOH590 |
| D | LYS27 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE BME B 402 |
| Chain | Residue |
| B | GLN176 |
| B | MET177 |
| B | LEU180 |
| B | CYS239 |
| B | PRO240 |
| B | LEU242 |
| B | ILE310 |
| B | HOH568 |
