Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE NI A 200 |
| Chain | Residue |
| A | HIS47 |
| A | HIS127 |
| A | HIS131 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NI B 200 |
| Chain | Residue |
| B | SER-2 |
| B | HIS47 |
| B | HIS127 |
| B | HIS131 |
| B | HOH164 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NI C 200 |
| Chain | Residue |
| C | HIS47 |
| C | HIS127 |
| C | HIS131 |
| C | SER-2 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NI D 200 |
| Chain | Residue |
| A | SER-2 |
| D | HIS47 |
| D | HIS127 |
| D | HIS131 |
