Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE HEM A 500 |
| Chain | Residue |
| A | MET1 |
| A | PRO118 |
| A | TYR134 |
| A | SER136 |
| A | ARG138 |
| A | LEU141 |
| A | VAL145 |
| A | LEU148 |
| A | XE190 |
| A | HOH195 |
| A | TYR2 |
| A | TRP74 |
| A | TYR83 |
| A | PHE97 |
| A | LEU101 |
| A | HIS105 |
| A | LEU115 |
| A | ARG116 |
| site_id | AC2 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE XE A 190 |
| Chain | Residue |
| A | TRP74 |
| A | HEM500 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NA A 191 |
| Chain | Residue |
| A | MET1 |
| A | ASN6 |
| A | TYR43 |
| A | SER44 |
| A | THR48 |
| site_id | AC4 |
| Number of Residues | 17 |
| Details | BINDING SITE FOR RESIDUE HEM B 501 |
| Chain | Residue |
| B | MET1 |
| B | TYR2 |
| B | TRP74 |
| B | THR78 |
| B | LEU87 |
| B | LEU101 |
| B | HIS105 |
| B | LEU115 |
| B | ARG116 |
| B | PRO118 |
| B | TYR134 |
| B | SER136 |
| B | ARG138 |
| B | MET144 |
| B | VAL145 |
| B | LEU148 |
| B | HOH197 |
| site_id | AC5 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE XE B 190 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA B 191 |
| Chain | Residue |
| B | MET1 |
| B | ASN6 |
| B | TYR43 |
| B | SER44 |
| B | VAL47 |
| B | THR48 |
