Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE SO4 A 37 |
| Chain | Residue |
| A | TYR3 |
| D | HOH137 |
| A | HOH108 |
| A | HOH129 |
| A | HOH215 |
| B | ASP1 |
| B | HIS2 |
| B | CYS27 |
| B | TYR28 |
| B | ARG29 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO4 D 37 |
| Chain | Residue |
| A | ASP1 |
| A | HIS2 |
| A | CYS27 |
| A | TYR28 |
| A | ARG29 |
| A | HOH108 |
| B | TYR3 |
| D | HOH127 |
| D | HOH137 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE SO4 A 38 |
| Chain | Residue |
| A | HOH102 |
| A | HOH111 |
| A | HOH115 |
| A | HOH300 |
| C | TYR3 |
| D | ASP1 |
| D | HIS2 |
| D | CYS27 |
| D | TYR28 |
| D | ARG29 |
| site_id | AC4 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE SO4 A 39 |
| Chain | Residue |
| A | HOH105 |
| A | HOH111 |
| A | HOH115 |
| A | HOH121 |
| A | HOH148 |
| C | ASP1 |
| C | HIS2 |
| C | CYS27 |
| C | TYR28 |
| C | ARG29 |
| D | TYR3 |
| site_id | AC5 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO4 B 37 |
| Chain | Residue |
| B | ASP1 |
| B | GLY25 |
| B | THR26 |
| B | HOH260 |
| B | HOH310 |
| B | HOH314 |
| B | HOH347 |
| C | ASP1 |
| C | ASN4 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 40 |
| Chain | Residue |
| A | ASP1 |
| A | GLY25 |
| A | THR26 |
| A | HOH221 |
| A | HOH358 |
