Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 22 |
| Details | binding site for residue SAH A 301 |
| Chain | Residue |
| A | SER16 |
| A | THR102 |
| A | VAL103 |
| A | GLN107 |
| A | VAL129 |
| A | ASP130 |
| A | ALA131 |
| A | MET147 |
| A | GLN148 |
| A | SER149 |
| A | GLU152 |
| A | VAL19 |
| A | HOH444 |
| A | HOH449 |
| A | HOH453 |
| A | TYR23 |
| A | ILE40 |
| A | HIS41 |
| A | GLY80 |
| A | CYS81 |
| A | GLY82 |
| A | PRO86 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | binding site for residue MLI A 302 |
| Chain | Residue |
| A | ILE40 |
| A | HIS41 |
| A | HIS42 |
| A | GLN148 |
| A | PHE230 |
| site_id | AC3 |
| Number of Residues | 22 |
| Details | binding site for residue SAH B 301 |
| Chain | Residue |
| B | TYR23 |
| B | ILE40 |
| B | HIS41 |
| B | GLY80 |
| B | CYS81 |
| B | GLY82 |
| B | PRO86 |
| B | THR102 |
| B | VAL103 |
| B | GLN107 |
| B | VAL129 |
| B | ASP130 |
| B | ALA131 |
| B | MET132 |
| B | MET147 |
| B | GLN148 |
| B | SER149 |
| B | GLU152 |
| B | HOH437 |
| B | HOH442 |
| B | HOH446 |
| B | HOH474 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | binding site for residue MLI B 302 |
| Chain | Residue |
| B | ILE40 |
| B | HIS41 |
| B | HIS42 |
| B | GLN148 |
| B | PHE230 |
| B | PHE234 |
| B | HOH495 |
