Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 A 101 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 102 |
| Chain | Residue |
| A | ASP2 |
| A | SER3 |
| A | HOH212 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | binding site for residue NO3 A 103 |
| Chain | Residue |
| A | GLU60 |
| A | HOH203 |
| B | GLN40 |
| A | GLN10 |
| A | LEU52 |
| A | VAL56 |
| A | ALA57 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | binding site for residue NO3 B 101 |
| Chain | Residue |
| A | HIS-1 |
| A | MET0 |
| B | LYS41 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | binding site for residue NO3 C 101 |
| Chain | Residue |
| C | C7 |
| C | A8 |
| C | U9 |
| D | A11 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | binding site for residue NO3 D 101 |
| Chain | Residue |
| C | U10 |
| C | A11 |
| D | C7 |
| D | A8 |
| D | U9 |
| D | HOH201 |