Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | binding site for residue NO3 A 201 |
| Chain | Residue |
| A | GLY74 |
| A | PHE75 |
| A | HIS76 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue NO3 A 202 |
| Chain | Residue |
| A | MSE48 |
| A | ILE49 |
| A | ASN50 |
| A | GLN51 |
| A | HOH332 |
| A | HOH380 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | binding site for residue NO3 B 201 |
| Chain | Residue |
| A | LEU16 |
| A | PHE23 |
| A | MSE112 |
| B | GLY74 |
| B | PHE75 |
| B | HIS76 |
| B | HOH342 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue NO3 B 202 |
| Chain | Residue |
| B | MSE48 |
| B | ILE49 |
| B | ASN50 |
| B | GLN51 |
| B | HOH378 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | binding site for residue NO3 C 201 |
| Chain | Residue |
| B | LEU16 |
| B | PHE23 |
| B | HOH346 |
| C | GLY74 |
| C | PHE75 |
| C | HIS76 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | binding site for residue NO3 C 202 |
| Chain | Residue |
| C | MSE48 |
| C | ILE49 |
| C | ASN50 |
| C | GLN51 |
| C | HOH329 |
| C | HOH334 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | binding site for residue NO3 D 201 |
| Chain | Residue |
| C | LEU16 |
| C | PHE23 |
| C | MSE112 |
| D | GLY74 |
| D | PHE75 |
| D | HIS76 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | binding site for residue NO3 D 202 |
| Chain | Residue |
| D | MSE48 |
| D | ILE49 |
| D | ASN50 |
| D | GLN51 |
| D | HOH305 |
| site_id | AC9 |
| Number of Residues | 7 |
| Details | binding site for residue NO3 E 201 |
| Chain | Residue |
| D | LEU16 |
| D | PHE23 |
| D | MSE112 |
| E | GLY74 |
| E | PHE75 |
| E | HIS76 |
| E | HOH324 |
| site_id | AD1 |
| Number of Residues | 6 |
| Details | binding site for residue NO3 E 202 |
| Chain | Residue |
| E | MSE48 |
| E | ILE49 |
| E | ASN50 |
| E | GLN51 |
| E | HOH301 |
| E | HOH356 |
