Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue HBA A 401 |
| Chain | Residue |
| A | ASN27 |
| A | PRO67 |
| A | ASP68 |
| A | TYR346 |
| A | GLY347 |
| A | HOH510 |
| site_id | AC2 |
| Number of Residues | 11 |
| Details | binding site for residue HBA A 402 |
| Chain | Residue |
| A | HIS174 |
| A | ASN177 |
| A | TYR179 |
| A | ASN270 |
| A | TYR346 |
| A | FMN404 |
| A | HOH550 |
| A | HOH569 |
| A | THR25 |
| A | TYR66 |
| A | TRP100 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue HBA A 403 |
| Chain | Residue |
| A | GLU76 |
| A | ASP79 |
| A | ARG165 |
| A | HOH748 |
| site_id | AC4 |
| Number of Residues | 23 |
| Details | binding site for residue FMN A 404 |
| Chain | Residue |
| A | ALA22 |
| A | PRO23 |
| A | LEU24 |
| A | THR25 |
| A | ALA56 |
| A | GLN98 |
| A | HIS174 |
| A | ARG226 |
| A | GLY269 |
| A | ASN270 |
| A | GLY296 |
| A | GLY297 |
| A | TYR317 |
| A | GLY318 |
| A | ARG319 |
| A | PHE345 |
| A | TYR346 |
| A | HBA402 |
| A | HOH546 |
| A | HOH595 |
| A | HOH599 |
| A | HOH634 |
| A | HOH761 |
