Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 301 |
| Chain | Residue |
| A | ASP218 |
| A | HIS219 |
| A | LYS220 |
| site_id | AC2 |
| Number of Residues | 1 |
| Details | binding site for residue IOD A 303 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 B 301 |
| Chain | Residue |
| B | ASP218 |
| B | HIS219 |
| B | LYS220 |
| B | HOH404 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 C 301 |
| Chain | Residue |
| C | HIS219 |
| C | LYS220 |
| C | ASP218 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | binding site for residue IOD C 304 |
| Chain | Residue |
| A | ARG224 |
| A | TYR228 |
| A | GLU231 |
| C | ASP264 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 D 301 |
| Chain | Residue |
| D | ASP218 |
| D | HIS219 |
| D | LYS220 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 D 302 |
| Chain | Residue |
| B | LYS251 |
| C | ASN252 |
| C | HOH423 |
| D | LYS268 |
