Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE HEM A 233 |
| Chain | Residue |
| A | PRO2 |
| A | HIS34 |
| A | TYR43 |
| A | ALA44 |
| A | LYS45 |
| A | CYS46 |
| A | HEC282 |
| A | VAL11 |
| A | PHE20 |
| A | HIS22 |
| A | HIS25 |
| A | VAL28 |
| A | GLU29 |
| A | CYS30 |
| A | CYS33 |
| site_id | AC2 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE HEM A 251 |
| Chain | Residue |
| A | HIS35 |
| A | ALA44 |
| A | LYS45 |
| A | CYS46 |
| A | GLY50 |
| A | CYS51 |
| A | HIS52 |
| A | TYR66 |
| A | VAL67 |
| A | LEU74 |
| A | LYS75 |
| site_id | AC3 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE HEM A 282 |
| Chain | Residue |
| A | PHE20 |
| A | PRO24 |
| A | HIS25 |
| A | VAL28 |
| A | CYS79 |
| A | CYS82 |
| A | HIS83 |
| A | LYS104 |
| A | HEC233 |
| site_id | AC4 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE HEM A 305 |
| Chain | Residue |
| A | VAL11 |
| A | GLY13 |
| A | SER14 |
| A | LEU55 |
| A | LEU64 |
| A | TYR65 |
| A | VAL68 |
| A | HIS69 |
| A | HIS83 |
| A | LEU97 |
| A | GLY99 |
| A | CYS100 |
| A | CYS105 |
| A | HIS106 |
