Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 3 |
| Chain | Residue |
| A | ARG50 |
| A | HIS51 |
| A | LYS77 |
| A | HOH124 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 B 2 |
| Chain | Residue |
| B | HOH139 |
| B | ARG50 |
| B | HIS51 |
| B | LYS77 |
| B | HOH119 |
| B | HOH138 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 C 4 |
| Chain | Residue |
| C | ARG50 |
| C | HIS51 |
| C | VAL74 |
| C | LYS77 |
| C | HOH121 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 C 5 |
| Chain | Residue |
| A | HIS85 |
| A | HOH138 |
| C | HIS51 |
| C | PRO52 |
| C | SER53 |
| D | GLU70 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 8 |
| Chain | Residue |
| B | ARG64 |
| C | PHE44 |
| C | HOH116 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 D 1 |
| Chain | Residue |
| D | ARG50 |
| D | HIS51 |
| D | LYS77 |
| D | HOH136 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 D 6 |
| Chain | Residue |
| B | HIS85 |
| C | GLU70 |
| D | HIS51 |
| D | PRO52 |
| D | SER53 |
| D | HOH137 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 7 |
| Chain | Residue |
| A | ARG64 |
| D | PHE44 |
| D | HOH143 |
