Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 23 |
| Details | binding site for residue HEM A 301 |
| Chain | Residue |
| A | GLY84 |
| A | GLY119 |
| A | VAL120 |
| A | SER142 |
| A | ILE143 |
| A | GLY144 |
| A | PHE145 |
| A | PRO146 |
| A | HIS149 |
| A | MET152 |
| A | TYR171 |
| A | GLU101 |
| A | THR173 |
| A | NO302 |
| A | HOH433 |
| A | HOH458 |
| A | ILE103 |
| A | ILE111 |
| A | HIS113 |
| A | PRO115 |
| A | LYS116 |
| A | GLY117 |
| A | LEU118 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | binding site for residue NO A 302 |
| Chain | Residue |
| A | PHE98 |
| A | PRO115 |
| A | TYR171 |
| A | HEM301 |
| A | HOH432 |
| site_id | AC3 |
| Number of Residues | 23 |
| Details | binding site for residue HEM B 301 |
| Chain | Residue |
| B | GLY84 |
| B | PHE98 |
| B | TYR100 |
| B | GLU101 |
| B | ILE103 |
| B | HIS113 |
| B | LEU114 |
| B | PRO115 |
| B | LYS116 |
| B | GLY117 |
| B | LEU118 |
| B | GLY119 |
| B | VAL120 |
| B | SER142 |
| B | ILE143 |
| B | GLY144 |
| B | PRO146 |
| B | HIS149 |
| B | MET152 |
| B | TYR171 |
| B | THR173 |
| B | NO302 |
| B | HOH459 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | binding site for residue NO B 302 |
| Chain | Residue |
| B | PRO115 |
| B | TYR171 |
| B | HEM301 |
| B | HOH459 |
