Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NI A 101 |
| Chain | Residue |
| A | GLU74 |
| A | HOH243 |
| A | HOH244 |
| A | HOH245 |
| B | HIS20 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NI A 102 |
| Chain | Residue |
| B | HOH241 |
| A | HIS23 |
| A | HOH239 |
| A | HOH240 |
| B | ALA82 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NI B 101 |
| Chain | Residue |
| A | HIS76 |
| B | ASP43 |
| B | SER46 |
| B | CIT103 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NI B 102 |
| Chain | Residue |
| A | HIS12 |
| B | HIS3 |
| B | GLU38 |
| B | HOH227 |
| B | HOH234 |
| B | HOH242 |
| site_id | AC5 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE CIT B 103 |
| Chain | Residue |
| A | HIS76 |
| A | GLU77 |
| A | HOH222 |
| B | ASP43 |
| B | ALA45 |
| B | SER46 |
| B | NI101 |
| B | HOH220 |
