Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 23 |
| Details | binding site for residue HEM A 301 |
| Chain | Residue |
| A | GLY84 |
| A | GLY119 |
| A | VAL120 |
| A | ILE121 |
| A | SER142 |
| A | ILE143 |
| A | GLY144 |
| A | PHE145 |
| A | PRO146 |
| A | HIS149 |
| A | MET152 |
| A | GLU101 |
| A | THR173 |
| A | CMO302 |
| A | HOH409 |
| A | HOH445 |
| A | ILE103 |
| A | ILE111 |
| A | HIS113 |
| A | PRO115 |
| A | LYS116 |
| A | GLY117 |
| A | LEU118 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | binding site for residue CMO A 302 |
| Chain | Residue |
| A | PHE98 |
| A | PRO115 |
| A | ILE121 |
| A | TYR171 |
| A | HEM301 |
| site_id | AC3 |
| Number of Residues | 25 |
| Details | binding site for residue HEM B 301 |
| Chain | Residue |
| B | GLY84 |
| B | ALA85 |
| B | PHE98 |
| B | GLU101 |
| B | ILE103 |
| B | VAL108 |
| B | HIS113 |
| B | LEU114 |
| B | PRO115 |
| B | LYS116 |
| B | GLY117 |
| B | LEU118 |
| B | GLY119 |
| B | VAL120 |
| B | ILE121 |
| B | SER142 |
| B | ILE143 |
| B | GLY144 |
| B | PRO146 |
| B | HIS149 |
| B | MET152 |
| B | PHE155 |
| B | CMO302 |
| B | HOH408 |
| B | HOH409 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue CMO B 302 |
| Chain | Residue |
| B | PHE98 |
| B | PRO115 |
| B | ILE121 |
| B | TYR171 |
| B | HEM301 |
