Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 25 |
| Details | binding site for residue IHS A 601 |
| Chain | Residue |
| A | SER12 |
| A | TYR189 |
| A | HIS191 |
| A | LYS192 |
| A | HIS399 |
| A | ALA400 |
| A | GLU401 |
| A | HOH709 |
| A | HOH711 |
| A | HOH721 |
| A | HOH739 |
| A | LYS13 |
| A | HOH764 |
| A | HOH778 |
| A | HOH878 |
| A | HOH910 |
| A | HOH941 |
| A | HOH1113 |
| A | ARG44 |
| A | HIS45 |
| A | ARG48 |
| A | SER51 |
| A | LYS54 |
| A | TYR55 |
| A | ARG142 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | binding site for residue PO4 A 602 |
| Chain | Residue |
| A | THR205 |
| A | LYS206 |
| A | HOH724 |
| A | HOH932 |
| A | HOH975 |
| A | HOH1025 |
| B | THR205 |
| B | LYS206 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | binding site for residue PO4 B 602 |
| Chain | Residue |
| A | ARG435 |
| B | ARG343 |
| B | ARG435 |
| B | HOH716 |
| B | HOH730 |
| B | HOH762 |
| site_id | AC4 |
| Number of Residues | 31 |
| Details | binding site for Di-peptide IHS B 601 and LYS B 192 |
| Chain | Residue |
| B | SER12 |
| B | LYS13 |
| B | ARG44 |
| B | HIS45 |
| B | ARG48 |
| B | SER51 |
| B | LYS54 |
| B | TYR55 |
| B | ARG142 |
| B | TYR189 |
| B | PHE190 |
| B | HIS191 |
| B | VAL193 |
| B | GLN194 |
| B | LYS201 |
| B | ALA211 |
| B | GLN215 |
| B | LYS296 |
| B | HIS399 |
| B | ALA400 |
| B | GLU401 |
| B | HOH701 |
| B | HOH708 |
| B | HOH714 |
| B | HOH717 |
| B | HOH731 |
| B | HOH747 |
| B | HOH748 |
| B | HOH842 |
| B | HOH887 |
| B | HOH1015 |
