Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | binding site for residue HEM A 401 |
| Chain | Residue |
| A | TYR87 |
| A | GLN88 |
| A | ARG89 |
| A | HEM402 |
| A | HOH559 |
| site_id | AC2 |
| Number of Residues | 12 |
| Details | binding site for residue HEM A 402 |
| Chain | Residue |
| A | ALA205 |
| A | ALA206 |
| A | HIS224 |
| A | TYR225 |
| A | LEU283 |
| A | HEM401 |
| A | HOH532 |
| A | HOH553 |
| A | LEU190 |
| A | HIS192 |
| A | THR195 |
| A | THR204 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | binding site for residue HEM B 401 |
| Chain | Residue |
| B | THR71 |
| B | THR72 |
| B | TYR87 |
| B | GLN88 |
| B | ARG89 |
| B | HEM402 |
| B | HOH539 |
| B | HOH555 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | binding site for residue HEM B 402 |
| Chain | Residue |
| B | LEU190 |
| B | HIS192 |
| B | THR195 |
| B | THR204 |
| B | ALA205 |
| B | ALA206 |
| B | TYR225 |
| B | GLU246 |
| B | HEM401 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | binding site for residue CA B 403 |
| Chain | Residue |
| A | ALA271 |
| A | HOH593 |
| A | HOH609 |
| B | ALA271 |
| B | HOH582 |
| B | HOH624 |
