Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 21 |
| Details | BINDING SITE FOR RESIDUE HEM A 500 |
| Chain | Residue |
| A | MET1 |
| A | VAL108 |
| A | LEU115 |
| A | ARG116 |
| A | PRO118 |
| A | PHE120 |
| A | TYR134 |
| A | SER136 |
| A | ARG138 |
| A | VAL145 |
| A | LEU148 |
| A | TYR2 |
| A | HOH192 |
| A | HOH228 |
| A | TRP74 |
| A | THR78 |
| A | TYR83 |
| A | LEU86 |
| A | PHE97 |
| A | LEU101 |
| A | HIS105 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA A 190 |
| Chain | Residue |
| A | ALA119 |
| A | PHE120 |
| A | GLU121 |
| A | HIS133 |
| A | GLN135 |
| A | HOH226 |
| site_id | AC3 |
| Number of Residues | 21 |
| Details | BINDING SITE FOR RESIDUE HEM B 501 |
| Chain | Residue |
| B | MET1 |
| B | TYR2 |
| B | TRP74 |
| B | THR78 |
| B | TYR83 |
| B | LEU86 |
| B | PHE97 |
| B | LEU101 |
| B | HIS105 |
| B | LEU115 |
| B | ARG116 |
| B | PRO118 |
| B | TYR134 |
| B | SER136 |
| B | ARG138 |
| B | LEU141 |
| B | MET144 |
| B | VAL145 |
| B | LEU148 |
| B | HOH217 |
| B | HOH285 |
