Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | binding site for residue CL A 501 |
| Chain | Residue |
| A | TRP188 |
| A | ILE194 |
| A | HOH714 |
| site_id | AC2 |
| Number of Residues | 2 |
| Details | binding site for residue SO2 A 502 |
| Chain | Residue |
| A | TYR216 |
| A | LYS224 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue SO2 A 503 |
| Chain | Residue |
| A | THR396 |
| A | ARG397 |
| A | GLU398 |
| A | HOH603 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | binding site for residue SO3 A 504 |
| Chain | Residue |
| A | GLN349 |
| A | PRO351 |
| A | ARG354 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | binding site for residue EDO A 505 |
| Chain | Residue |
| A | GLN361 |
| A | PHE362 |
| A | HOH672 |
| B | GLN361 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | binding site for residue EDO A 506 |
| Chain | Residue |
| A | ARG354 |
| A | GLN358 |
| A | HOH770 |
| site_id | AC7 |
| Number of Residues | 2 |
| Details | binding site for residue PGE A 507 |
| Chain | Residue |
| A | TRP177 |
| A | HOH761 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | binding site for residue CL B 501 |
| Chain | Residue |
| B | TRP188 |
| B | ILE194 |
| B | HOH732 |
| site_id | AC9 |
| Number of Residues | 3 |
| Details | binding site for residue CL B 502 |
| Chain | Residue |
| B | ARG99 |
| B | THR365 |
| B | HOH752 |
| site_id | AD1 |
| Number of Residues | 3 |
| Details | binding site for residue SO2 B 503 |
| Chain | Residue |
| B | LYS224 |
| B | ARG397 |
| B | HOH807 |
| site_id | AD2 |
| Number of Residues | 1 |
| Details | binding site for residue PGE B 504 |
| site_id | AD3 |
| Number of Residues | 7 |
| Details | binding site for residue PGE B 505 |
| Chain | Residue |
| B | GLY64 |
| B | THR65 |
| B | THR66 |
| B | TRP67 |
| B | HIS181 |
| B | GLY296 |
| B | GLY297 |