Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue CA A 301 |
| Chain | Residue |
| A | THR119 |
| A | THR119 |
| A | ASN121 |
| A | ASN121 |
| A | ASP122 |
| A | ASP122 |
| site_id | AC2 |
| Number of Residues | 11 |
| Details | binding site for residue SAM A 302 |
| Chain | Residue |
| A | GLY128 |
| A | ASP151 |
| A | ILE152 |
| A | SER195 |
| A | THR197 |
| A | ILE204 |
| A | ARG221 |
| B | GLU63 |
| A | VAL80 |
| A | LYS81 |
| A | GLN84 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | binding site for residue CA B 301 |
| Chain | Residue |
| B | ASP122 |
| B | ASP122 |
| site_id | AC4 |
| Number of Residues | 12 |
| Details | binding site for residue SAM B 302 |
| Chain | Residue |
| B | VAL80 |
| B | LYS81 |
| B | GLN84 |
| B | GLY128 |
| B | GLY130 |
| B | ASP151 |
| B | ILE152 |
| B | SER195 |
| B | THR197 |
| B | ILE198 |
| B | ILE204 |
| B | ARG221 |