Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE HIS A 601 |
| Chain | Residue |
| A | GLY58 |
| A | HOH702 |
| A | HOH799 |
| A | TYR79 |
| A | SER101 |
| A | HIS103 |
| A | ARG230 |
| A | TRP249 |
| A | ILE284 |
| A | HIS602 |
| A | NI603 |
| site_id | AC2 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE HIS A 602 |
| Chain | Residue |
| A | HIS103 |
| A | PHE123 |
| A | ARG230 |
| A | HIS601 |
| A | NI603 |
| A | HOH733 |
| A | HOH810 |
| A | HOH812 |
| A | HOH847 |
| A | HOH856 |
| A | HOH945 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE NI A 603 |
| Chain | Residue |
| A | HIS103 |
| A | HIS601 |
| A | HIS602 |
| site_id | AC4 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE HIS B 601 |
| Chain | Residue |
| B | GLY58 |
| B | TYR79 |
| B | SER101 |
| B | HIS103 |
| B | ARG230 |
| B | TRP249 |
| B | ILE251 |
| B | ILE284 |
| B | HIS602 |
| B | NI603 |
| B | HOH702 |
| B | HOH810 |
| site_id | AC5 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE HIS B 602 |
| Chain | Residue |
| B | HIS103 |
| B | PHE123 |
| B | ARG230 |
| B | HIS601 |
| B | NI603 |
| B | HOH723 |
| B | HOH759 |
| B | HOH838 |
| B | HOH866 |
| B | HOH883 |
| B | HOH898 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE NI B 603 |
| Chain | Residue |
| B | HIS103 |
| B | HIS601 |
| B | HIS602 |
