Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE ACT L1133 |
| Chain | Residue |
| A | PHE25 |
| A | TYR26 |
| A | PHE39 |
| A | THR46 |
| A | GLN50 |
| A | TRP90 |
| A | OXY201 |
| A | HEM202 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE ACT L1134 |
| Chain | Residue |
| B | TYR26 |
| B | PHE39 |
| B | THR46 |
| B | GLN50 |
| B | TRP90 |
| B | OXY201 |
| B | HEM202 |
| B | PHE25 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE OXY A1131 |
| Chain | Residue |
| A | TYR26 |
| A | PHE39 |
| A | GLN50 |
| A | TRP90 |
| A | HEM202 |
| A | ACT203 |
| site_id | AC4 |
| Number of Residues | 17 |
| Details | BINDING SITE FOR RESIDUE HEM A1132 |
| Chain | Residue |
| A | ILE38 |
| A | PHE39 |
| A | THR46 |
| A | LYS49 |
| A | GLN50 |
| A | PHE53 |
| A | TYR64 |
| A | HIS77 |
| A | PHE80 |
| A | ALA87 |
| A | TRP90 |
| A | LEU115 |
| A | OXY201 |
| A | HOH340 |
| A | HOH353 |
| A | HOH341 |
| A | ACT203 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE OXY B1131 |
| Chain | Residue |
| B | TYR26 |
| B | PHE39 |
| B | GLN50 |
| B | TRP90 |
| B | HEM202 |
| B | ACT203 |
| site_id | AC6 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE HEM B1132 |
| Chain | Residue |
| B | ILE38 |
| B | PHE39 |
| B | THR46 |
| B | LYS49 |
| B | GLN50 |
| B | PHE53 |
| B | TYR64 |
| B | LEU73 |
| B | ARG76 |
| B | HIS77 |
| B | PHE80 |
| B | TRP90 |
| B | LEU115 |
| B | THR118 |
| B | OXY201 |
| B | HOH355 |
| B | HOH325 |
| B | ACT203 |
