Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE HIS A 91 |
| Chain | Residue |
| A | ARG47 |
| A | ILE48 |
| A | HIS92 |
| A | HOH116 |
| C | HIS93 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE HIS A 92 |
| Chain | Residue |
| A | ARG47 |
| A | HIS91 |
| C | HIS93 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE HIS C 91 |
| Chain | Residue |
| C | MET27 |
| C | ASP28 |
| C | HIS92 |
| C | ASN26 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE HIS C 92 |
| Chain | Residue |
| C | GLU51 |
| C | HIS91 |
| C | HIS93 |
| site_id | AC5 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE HIS C 93 |
| Chain | Residue |
| A | HIS91 |
| A | HIS92 |
| C | TYR30 |
| C | HIS92 |
| C | HOH107 |
| C | HOH124 |
| C | HOH127 |
