Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 22 |
| Details | binding site for residue HEC A 101 |
| Chain | Residue |
| A | CYS11 |
| A | VAL46 |
| A | LYS50 |
| A | MET53 |
| A | PRO54 |
| A | GLY57 |
| A | MET74 |
| A | HOH204 |
| A | HOH205 |
| A | HOH210 |
| A | HOH213 |
| A | CYS14 |
| A | HOH225 |
| A | HOH253 |
| B | PRO54 |
| A | HIS15 |
| A | ALA20 |
| A | ALA22 |
| A | PRO23 |
| A | TRP31 |
| A | ARG34 |
| A | GLN37 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue IMD B 102 |
| Chain | Residue |
| B | THR45 |
| B | MET53 |
| B | HEC101 |
| B | HOH203 |
| site_id | AC3 |
| Number of Residues | 20 |
| Details | binding site for Di-peptide HEM B 101 and CYS B 14 |
| Chain | Residue |
| A | MET58 |
| B | CYS11 |
| B | HIS12 |
| B | ILE13 |
| B | HIS15 |
| B | SER16 |
| B | GLY18 |
| B | VAL19 |
| B | ALA20 |
| B | ALA22 |
| B | PRO23 |
| B | ARG34 |
| B | VAL46 |
| B | GLY57 |
| B | ILE71 |
| B | MET74 |
| B | IMD102 |
| B | HOH206 |
| B | HOH207 |
| B | HOH216 |
| site_id | AC4 |
| Number of Residues | 20 |
| Details | binding site for Di-peptide HEM B 101 and CYS B 11 |
| Chain | Residue |
| A | MET58 |
| B | VAL6 |
| B | TYR7 |
| B | ALA10 |
| B | HIS12 |
| B | ILE13 |
| B | CYS14 |
| B | HIS15 |
| B | ALA20 |
| B | ALA22 |
| B | PRO23 |
| B | ARG34 |
| B | VAL46 |
| B | GLY57 |
| B | ILE71 |
| B | MET74 |
| B | IMD102 |
| B | HOH206 |
| B | HOH207 |
| B | HOH216 |
