Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 400 |
| Chain | Residue |
| A | MSE20 |
| A | LEU21 |
| A | GLY22 |
| A | HOH559 |
| A | HOH598 |
| B | LYS4 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PR A 522 |
| Chain | Residue |
| A | HOH635 |
| A | HOH636 |
| A | HOH637 |
| A | ASP50 |
| A | ASP277 |
| A | ASP323 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 500 |
| Chain | Residue |
| A | LYS4 |
| B | MSE20 |
| B | LEU21 |
| B | GLY22 |
| B | HOH640 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 B 600 |
| Chain | Residue |
| B | ARG184 |
| B | ASP286 |
| B | TRP287 |
| B | HOH666 |
| B | HOH672 |
| B | HOH715 |
| site_id | AC5 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PR B 422 |
| Chain | Residue |
| B | ASP50 |
| B | ASP277 |
| B | ASP323 |
| B | HOH695 |
| B | HOH735 |
| B | HOH736 |
| B | HOH737 |
