Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 24 |
| Details | binding site for residue HEC A 101 |
| Chain | Residue |
| A | ALA10 |
| C | ALA20 |
| C | ALA22 |
| C | PRO23 |
| C | TRP31 |
| C | ARG34 |
| C | GLN37 |
| C | VAL46 |
| C | LYS50 |
| C | ALA52 |
| C | MET53 |
| A | CYS11 |
| C | PRO54 |
| C | GLY57 |
| C | MET58 |
| C | HOH214 |
| C | HOH272 |
| A | CYS14 |
| A | HIS15 |
| A | ALA52 |
| A | HOH211 |
| A | HOH218 |
| A | HOH219 |
| A | HOH222 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue NO3 A 102 |
| Chain | Residue |
| A | GLU2 |
| A | GLY3 |
| A | LYS4 |
| A | ALA5 |
| A | VAL6 |
| C | GLN1 |
| C | GLU2 |
| site_id | AC3 |
| Number of Residues | 26 |
| Details | binding site for Di-peptide HEC C 101 and CYS C 14 |
| Chain | Residue |
| A | GLY21 |
| A | ALA22 |
| A | PRO23 |
| A | LYS24 |
| A | TRP31 |
| A | ARG34 |
| A | GLN37 |
| A | VAL46 |
| A | LYS50 |
| A | ALA52 |
| A | MET53 |
| A | PRO54 |
| A | GLY57 |
| A | HOH206 |
| C | CYS11 |
| C | HIS12 |
| C | ILE13 |
| C | HIS15 |
| C | SER16 |
| C | VAL19 |
| C | ALA52 |
| C | HOH213 |
| C | HOH238 |
| C | HOH258 |
| C | HOH264 |
| C | HOH269 |
| site_id | AC4 |
| Number of Residues | 24 |
| Details | binding site for Di-peptide HEC C 101 and CYS C 11 |
| Chain | Residue |
| A | GLY21 |
| A | PRO23 |
| A | TRP31 |
| A | ARG34 |
| A | GLN37 |
| A | VAL46 |
| A | LYS50 |
| A | ALA52 |
| A | MET53 |
| A | PRO54 |
| A | GLY57 |
| A | HOH206 |
| C | VAL6 |
| C | TYR7 |
| C | ALA10 |
| C | HIS12 |
| C | ILE13 |
| C | CYS14 |
| C | HIS15 |
| C | ALA52 |
| C | HOH213 |
| C | HOH238 |
| C | HOH264 |
| C | HOH269 |