Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE HEM A 75 |
| Chain | Residue |
| A | LYS3 |
| A | CYS30 |
| A | HIS31 |
| A | GLY36 |
| A | ARG37 |
| A | ARG37 |
| A | ILE38 |
| A | HEM76 |
| A | ILE4 |
| A | TYR6 |
| A | PHE15 |
| A | HIS17 |
| A | HIS20 |
| A | LEU24 |
| A | GLU26 |
| A | CYS27 |
| site_id | AC2 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE HEM A 76 |
| Chain | Residue |
| A | VAL13 |
| A | PHE15 |
| A | HIS20 |
| A | GLY50 |
| A | CYS51 |
| A | CYS54 |
| A | HIS55 |
| A | ILE60 |
| A | PRO62 |
| A | HEM75 |
| site_id | AC3 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE HEM A 77 |
| Chain | Residue |
| A | TYR6 |
| A | THR8 |
| A | ARG9 |
| A | ILE10 |
| A | ALA23 |
| A | ASP42 |
| A | LYS43 |
| A | ALA46 |
| A | HIS47 |
| A | HIS55 |
| A | PRO62 |
| A | VAL63 |
| A | CYS65 |
| A | CYS68 |
| A | HIS69 |
| A | HOH117 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 A 150 |
