Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 17 |
| Details | BINDING SITE FOR RESIDUE HEM A 108 |
| Chain | Residue |
| A | PRO2 |
| A | HIS34 |
| A | PHE43 |
| A | LYS45 |
| A | CYS46 |
| A | GLN59 |
| A | HEM110 |
| A | HOH126 |
| A | HOH136 |
| A | PRO5 |
| A | LEU9 |
| A | PHE11 |
| A | PHE20 |
| A | HIS22 |
| A | VAL28 |
| A | CYS30 |
| A | CYS33 |
| site_id | AC2 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE HEM A 109 |
| Chain | Residue |
| A | HIS35 |
| A | ALA44 |
| A | LYS45 |
| A | CYS46 |
| A | CYS51 |
| A | HIS52 |
| A | GLU61 |
| A | LEU74 |
| A | LYS75 |
| A | HIS76 |
| A | HOH165 |
| A | HOH193 |
| site_id | AC3 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE HEM A 110 |
| Chain | Residue |
| A | VAL24 |
| A | HIS25 |
| A | GLU73 |
| A | ASN78 |
| A | CYS79 |
| A | CYS82 |
| A | HIS83 |
| A | LEU97 |
| A | HEM108 |
| A | HOH196 |
| A | HOH213 |
| A | HOH214 |
| site_id | AC4 |
| Number of Residues | 21 |
| Details | BINDING SITE FOR RESIDUE HEM A 111 |
| Chain | Residue |
| A | PHE11 |
| A | GLY13 |
| A | SER14 |
| A | GLN15 |
| A | LYS16 |
| A | VAL18 |
| A | SER49 |
| A | GLY50 |
| A | LEU55 |
| A | TYR65 |
| A | VAL68 |
| A | HIS69 |
| A | ILE80 |
| A | HIS83 |
| A | LEU97 |
| A | ALA99 |
| A | CYS100 |
| A | CYS105 |
| A | HIS106 |
| A | HOH114 |
| A | HOH179 |
