Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue PGE B 501 |
| Chain | Residue |
| B | ASP284 |
| B | ASP289 |
| B | ARG292 |
| B | VAL327 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue PGE A 501 |
| Chain | Residue |
| A | HOH609 |
| A | TYR270 |
| A | ASP284 |
| A | ASP289 |
| A | SER290 |
| A | ARG292 |
| site_id | AC3 |
| Number of Residues | 1 |
| Details | binding site for residue EDO C 501 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue MES D 501 |
| Chain | Residue |
| D | ARG299 |
| D | MET344 |
| D | GLY346 |
| D | TRP348 |
| D | HOH601 |
| D | HOH667 |
| site_id | AC5 |
| Number of Residues | 1 |
| Details | binding site for residue EDO D 502 |