Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 1 |
| Chain | Residue |
| A | HOH13 |
| A | CYS44 |
| A | ARG45 |
| A | GLU46 |
| A | HOH334 |
| B | ARG138 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 B 2 |
| Chain | Residue |
| B | CYS44 |
| B | ARG45 |
| B | GLU46 |
| B | HOH167 |
| A | ILE137 |
| A | ARG138 |
| B | HOH16 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE SO4 B 3 |
| Chain | Residue |
| A | HOH208 |
| A | HOH215 |
| A | HOH273 |
| A | HOH322 |
| B | HOH5 |
| B | TYR34 |
| B | TRP36 |
| B | SER54 |
| B | SER55 |
| B | HOH247 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A 4 |
| Chain | Residue |
| A | HOH6 |
| A | TYR34 |
| A | TRP36 |
| A | SER54 |
| A | SER55 |
| A | HOH195 |
| A | HOH248 |
| A | HOH318 |
