Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue MG A 501 |
| Chain | Residue |
| A | GLU396 |
| A | SER399 |
| A | ANP503 |
| A | HOH712 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue MG A 502 |
| Chain | Residue |
| A | HOH615 |
| A | HOH617 |
| A | ARG330 |
| A | GLU332 |
| A | ANP503 |
| A | HOH601 |
| A | HOH606 |
| site_id | AC3 |
| Number of Residues | 21 |
| Details | binding site for residue ANP A 503 |
| Chain | Residue |
| A | ARG330 |
| A | GLU332 |
| A | HIS338 |
| A | LEU339 |
| A | PHE342 |
| A | MET344 |
| A | GLU396 |
| A | LEU397 |
| A | SER398 |
| A | SER399 |
| A | GLY423 |
| A | ARG426 |
| A | MG501 |
| A | MG502 |
| A | FX9504 |
| A | HOH601 |
| A | HOH602 |
| A | HOH615 |
| A | HOH617 |
| A | HOH642 |
| A | HOH679 |
| site_id | AC4 |
| Number of Residues | 13 |
| Details | binding site for residue FX9 A 504 |
| Chain | Residue |
| A | MET300 |
| A | LEU301 |
| A | ALA302 |
| A | LEU305 |
| A | MET344 |
| A | GLY346 |
| A | PHE347 |
| A | GLN348 |
| A | SER399 |
| A | ALA420 |
| A | GLY421 |
| A | ANP503 |
| A | HOH687 |
