Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 24 |
| Details | binding site for residue HEM A 401 |
| Chain | Residue |
| A | ASP137 |
| A | ARG197 |
| A | HIS215 |
| A | VAL219 |
| A | ASP220 |
| A | ARG232 |
| A | LEU246 |
| A | PHE248 |
| A | GLN261 |
| A | MET265 |
| A | MET276 |
| A | VAL142 |
| A | THR280 |
| A | HOH529 |
| A | HOH538 |
| A | HOH546 |
| A | HOH573 |
| A | ASP143 |
| A | GLY144 |
| A | THR145 |
| A | GLU146 |
| A | GLN174 |
| A | TRP176 |
| A | HIS178 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue GOL A 402 |
| Chain | Residue |
| A | LEU138 |
| A | SER139 |
| A | ASN184 |
| A | LYS199 |
| A | HOH505 |
| A | HOH557 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | binding site for residue GOL A 403 |
| Chain | Residue |
| A | ARG131 |
| A | ASP143 |
| A | ASN147 |
| A | ARG232 |
| A | GLN233 |
| A | SER234 |
| A | HOH508 |
| A | HOH526 |
| A | HOH592 |
| A | HOH680 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 404 |
| Chain | Residue |
| A | GLU156 |
| A | VAL157 |
| A | CYS252 |
| A | ARG254 |
| A | ASN257 |
| A | HOH689 |
| A | HOH698 |
| B | ASP224 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | binding site for residue MG A 405 |
| Chain | Residue |
| A | ASP220 |
| A | HOH529 |
| A | HOH546 |
| A | HOH649 |
| A | HOH662 |
| A | HOH751 |
| site_id | AC6 |
| Number of Residues | 23 |
| Details | binding site for residue HEM B 401 |
| Chain | Residue |
| B | ASP137 |
| B | VAL142 |
| B | ASP143 |
| B | GLY144 |
| B | THR145 |
| B | GLU146 |
| B | GLN174 |
| B | TRP176 |
| B | HIS178 |
| B | ARG197 |
| B | HIS215 |
| B | VAL219 |
| B | ASP220 |
| B | ARG232 |
| B | LEU246 |
| B | PHE248 |
| B | GLN261 |
| B | MET265 |
| B | MET276 |
| B | HOH523 |
| B | HOH562 |
| B | HOH567 |
| B | HOH620 |
| site_id | AC7 |
| Number of Residues | 10 |
| Details | binding site for residue GOL B 402 |
| Chain | Residue |
| B | ARG131 |
| B | ASP143 |
| B | ASN147 |
| B | ARG232 |
| B | GLN233 |
| B | SER234 |
| B | HOH504 |
| B | HOH570 |
| B | HOH625 |
| B | HOH655 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | binding site for residue MG B 403 |
| Chain | Residue |
| B | ASP220 |
| B | HOH510 |
| B | HOH523 |
| B | HOH562 |
| B | HOH631 |
| B | HOH709 |
