Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue NO3 A 101 |
| Chain | Residue |
| A | MET9 |
| A | LYS41 |
| A | ARG77 |
| A | TYR78 |
| A | HOH252 |
| A | HOH301 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue NO3 A 102 |
| Chain | Residue |
| A | CYS58 |
| A | TRP27 |
| A | GLU40 |
| A | ASN56 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | binding site for residue NO3 A 103 |
| Chain | Residue |
| A | GLN30 |
| A | PRO43 |
| A | SER44 |
| A | PHE45 |
| A | HOH219 |
| A | HOH239 |
| A | HOH260 |
| A | HOH282 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | binding site for residue NO3 A 104 |
| Chain | Residue |
| A | SER7 |
| A | HIS8 |
| A | MET16 |
| A | LEU18 |
| A | ARG77 |
| A | HOH242 |
| A | HOH293 |
