Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue ZN A 601 |
| Chain | Residue |
| A | CYS155 |
| A | GLU178 |
| A | CYS181 |
| A | CYS189 |
| site_id | AC2 |
| Number of Residues | 10 |
| Details | binding site for residue 3CH A 602 |
| Chain | Residue |
| A | TRP134 |
| A | ALA162 |
| A | TYR165 |
| A | SER166 |
| A | TYR176 |
| A | GLY102 |
| A | PRO103 |
| A | HIS106 |
| A | VAL114 |
| A | PHE132 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue ZN B 301 |
| Chain | Residue |
| B | CYS155 |
| B | GLU178 |
| B | CYS181 |
| B | CYS189 |
| site_id | AC4 |
| Number of Residues | 10 |
| Details | binding site for residue 3CH B 302 |
| Chain | Residue |
| B | GLY102 |
| B | PRO103 |
| B | HIS106 |
| B | VAL114 |
| B | PHE132 |
| B | TRP134 |
| B | ALA162 |
| B | TYR165 |
| B | SER166 |
| B | TYR176 |
