Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 B 331 |
| Chain | Residue |
| A | HIS186 |
| A | ARG223 |
| B | ARG76 |
| B | GLN77 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 B 332 |
| Chain | Residue |
| B | THR99 |
| B | ALA100 |
| A | LEU139 |
| A | GLY140 |
| A | HIS144 |
| A | ARG286 |
| B | ALA98 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 331 |
| Chain | Residue |
| A | PRO149 |
| A | GLY150 |
| A | THR151 |
| A | HIS152 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 332 |
| Chain | Residue |
| A | ALA75 |
| A | ARG76 |
| A | TYR84 |
| A | ARG126 |
| A | HOH341 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 B 333 |
| Chain | Residue |
| A | ARG162 |
| B | ARG117 |
| B | ARG119 |