Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 16 |
| Details | binding site for residue HEM A 301 |
| Chain | Residue |
| A | SER52 |
| A | PHE157 |
| A | THR160 |
| A | MET206 |
| A | GLY207 |
| A | PHE209 |
| A | TYR210 |
| A | HOH615 |
| A | PHE53 |
| A | TYR56 |
| A | ILE61 |
| A | TYR67 |
| A | HIS113 |
| A | ILE129 |
| A | LEU130 |
| A | ARG155 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue CA A 302 |
| Chain | Residue |
| A | THR191 |
| A | HOH611 |
| A | HOH624 |
| A | HOH634 |
| B | THR191 |
| B | HOH607 |
| B | HOH623 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | binding site for residue CA A 303 |
| Chain | Residue |
| A | GLU188 |
| A | HOH728 |
| A | HOH732 |
| B | GLU226 |
| B | HOH627 |
| B | HOH641 |
| site_id | AC4 |
| Number of Residues | 17 |
| Details | binding site for residue HEM B 300 |
| Chain | Residue |
| B | SER52 |
| B | PHE53 |
| B | TYR56 |
| B | ILE61 |
| B | TYR67 |
| B | HIS113 |
| B | ILE129 |
| B | LEU130 |
| B | ARG155 |
| B | PHE157 |
| B | THR160 |
| B | MET206 |
| B | GLY207 |
| B | PHE209 |
| B | TYR210 |
| B | HOH606 |
| B | HOH609 |
