Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 21 |
| Details | BINDING SITE FOR RESIDUE FMN A 500 |
| Chain | Residue |
| A | PRO23 |
| A | TRP274 |
| A | GLY300 |
| A | ARG301 |
| A | GLY322 |
| A | ARG323 |
| A | PHE350 |
| A | 4CH502 |
| A | HOH2300 |
| A | HOH2304 |
| A | HOH2331 |
| A | PRO24 |
| A | HOH2334 |
| A | HOH2336 |
| A | LEU25 |
| A | THR26 |
| A | GLY58 |
| A | GLN100 |
| A | HIS181 |
| A | ARG233 |
| A | VAL272 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A 501 |
| Chain | Residue |
| A | ARG301 |
| A | ARG323 |
| A | GLU333 |
| A | ARG336 |
| A | HIS337 |
| A | HIS344 |
| A | HOH2361 |
| A | HOH2375 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE 4CH A 502 |
| Chain | Residue |
| A | THR26 |
| A | HIS181 |
| A | ASN184 |
| A | TYR186 |
| A | PHE350 |
| A | FMN500 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE 4CH A 503 |
| Chain | Residue |
| A | SER28 |
| A | TYR68 |
| A | ALA69 |
| A | TRP70 |
| A | PHE132 |
| A | PHE142 |
| A | PHE350 |
| site_id | AC5 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE 4CH A 504 |
| Chain | Residue |
| A | ARG84 |
| A | GLU88 |
| A | ILE249 |
| A | THR253 |
| A | SER283 |
| A | ALA287 |
| A | HOH2403 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE PE4 A 505 |
| Chain | Residue |
| A | ILE43 |
| A | ALA46 |
| A | LYS93 |