Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE SO4 A 301 |
| Chain | Residue |
| A | ASP1 |
| C | HOH37 |
| A | HIS2 |
| A | CYS27 |
| A | TYR28 |
| A | ARG29 |
| A | HOH310 |
| A | HOH313 |
| A | HOH322 |
| C | TYR3 |
| site_id | AC2 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE SO4 A 302 |
| Chain | Residue |
| A | TYR3 |
| A | HOH310 |
| A | HOH322 |
| A | HOH327 |
| A | HOH330 |
| A | HOH357 |
| C | ASP1 |
| C | HIS2 |
| C | CYS27 |
| C | TYR28 |
| C | ARG29 |
| C | HOH39 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 D 303 |
| Chain | Residue |
| D | HOH310 |
| D | HOH318 |
| D | HOH322 |
| D | HOH324 |
| D | HOH339 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 304 |
| Chain | Residue |
| D | HOH306 |
| D | HOH310 |
| D | HOH318 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 305 |
| Chain | Residue |
| A | ARG29 |
| C | TYR3 |
| C | ALA4 |
| C | HOH57 |
