Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue ZN A 501 |
| Chain | Residue |
| A | CYS248 |
| A | HIS254 |
| A | CYS308 |
| A | CYS310 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue MG A 502 |
| Chain | Residue |
| B | GLU79 |
| B | LEU81 |
| A | PRO120 |
| A | GLY147 |
| A | ALA148 |
| A | THR149 |
| B | ARG78 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | binding site for residue MG A 503 |
| Chain | Residue |
| A | ARG78 |
| A | GLU79 |
| A | LEU81 |
| B | PRO120 |
| B | GLY147 |
| B | ALA148 |
| B | THR149 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | binding site for residue ZN B 501 |
| Chain | Residue |
| B | CYS248 |
| B | HIS254 |
| B | CYS308 |
| B | CYS310 |
