Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE HG A 401 |
| Chain | Residue |
| A | CYS121 |
| A | SER122 |
| A | HOH515 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE HG A 402 |
| Chain | Residue |
| A | CYS199 |
| A | SER254 |
| A | LYS260 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE HG B 401 |
| Chain | Residue |
| B | CYS121 |
| B | SER122 |
| B | LYS155 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE HG B 402 |
| Chain | Residue |
| B | CYS199 |
| B | PRO262 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE HG C 401 |
| Chain | Residue |
| C | CYS121 |
| C | SER122 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE HG C 402 |
| Chain | Residue |
| C | CYS199 |
| C | MET204 |
| C | PRO262 |