Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 25 |
| Details | BINDING SITE FOR RESIDUE HEM A 400 |
| Chain | Residue |
| A | ASP147 |
| A | HIS189 |
| A | ARG208 |
| A | HIS226 |
| A | VAL227 |
| A | ASN230 |
| A | ARG244 |
| A | PHE261 |
| A | MET274 |
| A | MET278 |
| A | VAL290 |
| A | PHE151 |
| A | SER294 |
| A | HOH389 |
| A | HOH394 |
| A | HOH397 |
| A | HOH424 |
| A | HOH518 |
| A | VAL152 |
| A | ASP153 |
| A | GLY154 |
| A | THR155 |
| A | GLU156 |
| A | GLN185 |
| A | TYR187 |
| site_id | AC2 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE HEM B 400 |
| Chain | Residue |
| B | ASP147 |
| B | PHE151 |
| B | VAL152 |
| B | ASP153 |
| B | GLY154 |
| B | THR155 |
| B | GLU156 |
| B | GLN185 |
| B | TYR187 |
| B | HIS189 |
| B | ARG208 |
| B | HIS226 |
| B | VAL227 |
| B | ASN230 |
| B | ARG244 |
| B | PHE261 |
| B | MET278 |
| B | SER294 |
| B | HOH394 |
| B | HOH471 |
| B | HOH472 |
| B | HOH481 |
| site_id | AC3 |
| Number of Residues | 25 |
| Details | BINDING SITE FOR RESIDUE HEM C 400 |
| Chain | Residue |
| C | ASP147 |
| C | PHE151 |
| C | VAL152 |
| C | ASP153 |
| C | GLY154 |
| C | THR155 |
| C | GLU156 |
| C | GLN185 |
| C | TYR187 |
| C | HIS189 |
| C | ARG208 |
| C | HIS226 |
| C | VAL227 |
| C | ASN230 |
| C | ARG244 |
| C | THR259 |
| C | PHE261 |
| C | THR271 |
| C | MET274 |
| C | LEU275 |
| C | MET278 |
| C | SER294 |
| C | HOH414 |
| C | HOH451 |
| C | HOH456 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE FMT C 351 |
| Chain | Residue |
| C | ARG141 |
| C | TYR142 |
| C | SER145 |
| C | ARG146 |
| C | ASN246 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE FMT B 351 |
| Chain | Residue |
| A | LYS113 |
| B | LYS113 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE FMT A 351 |
| Chain | Residue |
| A | ARG55 |
| A | GLU118 |
| B | TYR142 |
| C | LEU211 |
| C | GLU212 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE GOL A 352 |
| Chain | Residue |
| A | ASN224 |
| A | ASN286 |
| A | TYR287 |
| A | ARG289 |
| A | ASP292 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE GOL B 352 |
| Chain | Residue |
| B | LEU188 |
| B | HIS189 |
| B | ASP190 |
| B | THR295 |
| B | HOH457 |
3QNR
