Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE HEM A 101 |
| Chain | Residue |
| A | LEU6 |
| A | PHE41 |
| A | HEM102 |
| A | HIS17 |
| A | HIS20 |
| A | GLN21 |
| A | VAL24 |
| A | CYS27 |
| A | CYS30 |
| A | HIS31 |
| A | GLY36 |
| site_id | AC2 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE HEM A 102 |
| Chain | Residue |
| A | VAL13 |
| A | LYS14 |
| A | LEU15 |
| A | PRO16 |
| A | HIS20 |
| A | ALA23 |
| A | LYS29 |
| A | CYS30 |
| A | GLY50 |
| A | CYS51 |
| A | CYS54 |
| A | HIS55 |
| A | LYS60 |
| A | GLY61 |
| A | PRO62 |
| A | HEM101 |
| site_id | AC3 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE HEM A 103 |
| Chain | Residue |
| A | LEU6 |
| A | LYS7 |
| A | LYS9 |
| A | ASN10 |
| A | PHE41 |
| A | GLY42 |
| A | LYS43 |
| A | ALA46 |
| A | HIS47 |
| A | HIS55 |
| A | PRO62 |
| A | LYS64 |
| A | CYS65 |
| A | CYS68 |
| A | HIS69 |
