Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE HEM A 401 |
| Chain | Residue |
| A | ILE71 |
| A | TRP95 |
| A | GLN96 |
| A | ILE100 |
| A | PRO103 |
| A | SER108 |
| A | ASN111 |
| A | ALA113 |
| A | PRO130 |
| A | VAL131 |
| A | SER134 |
| A | SER72 |
| A | ILE178 |
| A | GLU182 |
| A | HOH523 |
| A | CYS73 |
| A | CYS76 |
| A | HIS77 |
| A | SER90 |
| A | THR91 |
| A | GLY92 |
| A | HIS93 |
| site_id | AC2 |
| Number of Residues | 17 |
| Details | BINDING SITE FOR RESIDUE HEM A 402 |
| Chain | Residue |
| A | CYS219 |
| A | CYS222 |
| A | HIS223 |
| A | PHE236 |
| A | VAL238 |
| A | ALA269 |
| A | PRO270 |
| A | LEU272 |
| A | TYR281 |
| A | PHE282 |
| A | HIS283 |
| A | MET297 |
| A | PHE302 |
| A | ILE314 |
| A | HOH353 |
| A | HOH354 |
| A | HOH469 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CA A 403 |
| Chain | Residue |
| A | ASN101 |
| A | THR278 |
| A | PRO280 |
| A | HOH468 |
| A | HOH469 |
