Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 26 |
| Details | BINDING SITE FOR RESIDUE FMN A 401 |
| Chain | Residue |
| A | ALA18 |
| A | GLY181 |
| A | GLY217 |
| A | GLY218 |
| A | GLN237 |
| A | MET238 |
| A | GLY239 |
| A | THR240 |
| A | TYR254 |
| A | TRP325 |
| A | NIE402 |
| A | PRO19 |
| A | HOH502 |
| A | HOH688 |
| A | HOH725 |
| A | HOH748 |
| A | HOH891 |
| A | HOH892 |
| A | HOH938 |
| A | MET20 |
| A | LEU21 |
| A | ASN69 |
| A | PHE71 |
| A | HIS133 |
| A | GLN176 |
| A | ALA180 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NIE A 402 |
| Chain | Residue |
| A | PHE71 |
| A | GLY182 |
| A | SER183 |
| A | TRP325 |
| A | FMN401 |
| site_id | AC3 |
| Number of Residues | 24 |
| Details | BINDING SITE FOR RESIDUE FMN B 401 |
| Chain | Residue |
| B | ALA18 |
| B | PRO19 |
| B | MET20 |
| B | LEU21 |
| B | ASN69 |
| B | PHE71 |
| B | HIS133 |
| B | GLN176 |
| B | ALA180 |
| B | GLY181 |
| B | GLY217 |
| B | GLY218 |
| B | GLN237 |
| B | MET238 |
| B | GLY239 |
| B | THR240 |
| B | TYR254 |
| B | TRP325 |
| B | NIE402 |
| B | HOH501 |
| B | HOH503 |
| B | HOH506 |
| B | HOH600 |
| B | HOH722 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NIE B 402 |
| Chain | Residue |
| B | PHE71 |
| B | GLY182 |
| B | SER183 |
| B | TRP325 |
| B | FMN401 |
| B | HOH919 |
