Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NO3 A 501 |
| Chain | Residue |
| A | LEU428 |
| A | ASN429 |
| A | HIS432 |
| A | ARG436 |
| A | MET473 |
| A | HOH707 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NO3 A 502 |
| Chain | Residue |
| A | PRO430 |
| A | MET431 |
| A | HOH692 |
| A | ILE354 |
| A | ARG355 |
| A | ASN429 |
| site_id | AC3 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE BU1 A 503 |
| Chain | Residue |
| A | ILE454 |
| A | ASP455 |
| A | VAL457 |
| A | MET460 |
| A | ARG479 |
| A | HOH662 |
| A | HOH684 |
| A | HOH760 |
| A | HOH817 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE BU1 A 504 |
| Chain | Residue |
| A | ILE382 |
| A | GLU452 |
| A | GLY477 |
| A | ARG479 |
| A | HOH723 |
| A | HOH733 |
| A | HOH745 |
| A | HOH761 |