Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NI A 201 |
| Chain | Residue |
| A | ASN42 |
| A | HIS68 |
| A | GLU105 |
| A | FMN401 |
| A | HOH1008 |
| A | HOH1009 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NI A 202 |
| Chain | Residue |
| A | HOH1030 |
| A | GLY1 |
| A | HIS6 |
| A | HIS77 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 301 |
| Chain | Residue |
| A | HIS21 |
| A | ARG22 |
| A | GLY178 |
| A | GLY179 |
| A | HOH1011 |
| site_id | AC4 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE FMN A 401 |
| Chain | Residue |
| A | ASN42 |
| A | ALA44 |
| A | PRO45 |
| A | PHE46 |
| A | SER47 |
| A | PHE48 |
| A | ALA62 |
| A | SER63 |
| A | ALA64 |
| A | HIS67 |
| A | HIS68 |
| A | THR69 |
| A | ALA96 |
| A | ASP98 |
| A | GLU105 |
| A | HIS144 |
| A | HIS176 |
| A | PHE182 |
| A | NI201 |
| A | HOH1009 |
| A | HOH1019 |
| A | HOH1065 |
