Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 25 |
| Details | binding site for residue HEM A 401 |
| Chain | Residue |
| A | ASP137 |
| A | HIS215 |
| A | VAL219 |
| A | ASP220 |
| A | LEU246 |
| A | PHE248 |
| A | GLN261 |
| A | MET265 |
| A | MET276 |
| A | THR280 |
| A | GOL402 |
| A | VAL142 |
| A | HOH516 |
| A | HOH553 |
| A | HOH583 |
| A | HOH654 |
| A | HOH665 |
| A | HOH667 |
| A | GLY144 |
| A | THR145 |
| A | GLU146 |
| A | GLN174 |
| A | TRP176 |
| A | HIS178 |
| A | ARG197 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | binding site for residue GOL A 402 |
| Chain | Residue |
| A | GLY144 |
| A | THR145 |
| A | GLU146 |
| A | ASN147 |
| A | ILE230 |
| A | ALA232 |
| A | HEM401 |
| A | HOH659 |
| A | HOH665 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 403 |
| Chain | Residue |
| A | GLU156 |
| A | VAL157 |
| A | LYS161 |
| A | CYS252 |
| A | ARG254 |
| A | ASN257 |
| B | ASP224 |
| B | HOH906 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue MG A 404 |
| Chain | Residue |
| A | ASP220 |
| A | HOH516 |
| A | HOH520 |
| A | HOH553 |
| A | HOH747 |
| A | HOH804 |
| site_id | AC5 |
| Number of Residues | 25 |
| Details | binding site for residue HEM B 401 |
| Chain | Residue |
| B | ASP137 |
| B | VAL142 |
| B | GLY144 |
| B | THR145 |
| B | GLU146 |
| B | GLN174 |
| B | TRP176 |
| B | HIS178 |
| B | ARG197 |
| B | HIS215 |
| B | VAL219 |
| B | ASP220 |
| B | LEU246 |
| B | PHE248 |
| B | GLN261 |
| B | MET265 |
| B | MET276 |
| B | THR280 |
| B | GOL402 |
| B | HOH520 |
| B | HOH576 |
| B | HOH589 |
| B | HOH641 |
| B | HOH672 |
| B | HOH686 |
| site_id | AC6 |
| Number of Residues | 7 |
| Details | binding site for residue GOL B 402 |
| Chain | Residue |
| B | GLY144 |
| B | ASN147 |
| B | ILE230 |
| B | ALA232 |
| B | HEM401 |
| B | HOH672 |
| B | HOH682 |
| site_id | AC7 |
| Number of Residues | 8 |
| Details | binding site for residue GOL B 403 |
| Chain | Residue |
| A | ASP224 |
| A | HOH502 |
| B | GLU156 |
| B | VAL157 |
| B | LYS161 |
| B | ASN257 |
| B | HOH570 |
| B | HOH702 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | binding site for residue MG B 404 |
| Chain | Residue |
| B | ASP220 |
| B | HOH514 |
| B | HOH520 |
| B | HOH576 |
| B | HOH742 |
| B | HOH830 |
