Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 13 |
| Details | binding site for residue SAH B 501 |
| Chain | Residue |
| B | TYR121 |
| B | ASN205 |
| B | GLN257 |
| B | GLU258 |
| B | PHE259 |
| B | PHE133 |
| B | THR135 |
| B | GLY170 |
| B | PRO171 |
| B | GLY172 |
| B | GLU200 |
| B | ALA201 |
| B | SER202 |
| site_id | AC2 |
| Number of Residues | 11 |
| Details | binding site for residue SAH A 501 |
| Chain | Residue |
| A | THR135 |
| A | GLY170 |
| A | PRO171 |
| A | GLY172 |
| A | GLU200 |
| A | ALA201 |
| A | SER202 |
| A | ASN205 |
| A | GLN257 |
| A | GLU258 |
| A | PHE259 |
| site_id | AC3 |
| Number of Residues | 12 |
| Details | binding site for residue SAH C 501 |
| Chain | Residue |
| C | PHE133 |
| C | THR135 |
| C | GLY170 |
| C | PRO171 |
| C | GLY172 |
| C | GLU200 |
| C | ALA201 |
| C | SER202 |
| C | ASN205 |
| C | GLN257 |
| C | GLU258 |
| C | PHE259 |
