Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE HEM A 301 |
| Chain | Residue |
| A | THR100 |
| A | SER104 |
| A | MET165 |
| A | HIS167 |
| A | LEU170 |
| A | TYR200 |
| A | HEM302 |
| site_id | AC2 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE HEM A 302 |
| Chain | Residue |
| A | GLN101 |
| A | THR179 |
| A | ALA180 |
| A | ALA181 |
| A | TYR200 |
| A | MET255 |
| A | LEU258 |
| A | HEM301 |
| A | HOH306 |
| A | HOH339 |
| A | TYR70 |
| A | ARG72 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE HEM B 301 |
| Chain | Residue |
| B | SER104 |
| B | MET165 |
| B | HIS167 |
| B | LEU170 |
| B | MET173 |
| B | TYR200 |
| B | LEU258 |
| B | HEM302 |
| site_id | AC4 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE HEM B 302 |
| Chain | Residue |
| B | THR55 |
| B | TYR70 |
| B | ARG72 |
| B | LEU97 |
| B | GLN101 |
| B | THR179 |
| B | ALA180 |
| B | ALA181 |
| B | ARG199 |
| B | TYR200 |
| B | MET255 |
| B | HEM301 |
