Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE HEM A 501 |
| Chain | Residue |
| A | ASN234 |
| A | PRO342 |
| A | ARG352 |
| A | PHE373 |
| A | PHE384 |
| A | GLN388 |
| A | LEU398 |
| A | THR402 |
| A | HIS404 |
| A | OXY502 |
| A | HOH612 |
| A | GLN238 |
| A | HOH649 |
| A | HOH771 |
| A | HOH797 |
| A | ILE239 |
| A | GLY241 |
| A | THR242 |
| A | ALA243 |
| A | ILE280 |
| A | HIS336 |
| A | ALA340 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE OXY A 502 |
| Chain | Residue |
| A | ASP240 |
| A | ARG352 |
| A | HEM501 |
| A | HOH1027 |
| site_id | AC3 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE GOL A 503 |
| Chain | Residue |
| A | ASP164 |
| A | LEU165 |
| A | GLY179 |
| A | ALA408 |
| A | LEU409 |
| A | HOH608 |
| A | HOH676 |
| A | HOH718 |
| site_id | AC4 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE HEM B 501 |
| Chain | Residue |
| B | ASN234 |
| B | GLN238 |
| B | ILE239 |
| B | GLY241 |
| B | THR242 |
| B | ALA243 |
| B | ILE280 |
| B | HIS336 |
| B | VAL337 |
| B | ALA340 |
| B | PRO342 |
| B | ARG352 |
| B | PHE373 |
| B | PHE384 |
| B | GLN388 |
| B | LEU398 |
| B | THR402 |
| B | OXY502 |
| B | HOH613 |
| B | HOH650 |
| B | HOH662 |
| B | HOH669 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE OXY B 502 |
| Chain | Residue |
| B | ASP240 |
| B | ARG352 |
| B | HEM501 |
| B | HOH983 |
| site_id | AC6 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE GOL B 503 |
| Chain | Residue |
| B | ASP164 |
| B | LEU165 |
| B | GLY179 |
| B | ALA408 |
| B | LEU409 |
| B | HOH624 |
| B | HOH663 |
| B | HOH825 |
| site_id | AC7 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE GOL B 504 |
| Chain | Residue |
| A | GLU359 |
| A | GLY360 |
| A | HOH1017 |
| B | HIS85 |
| B | SER214 |
| B | LEU215 |
| B | ARG216 |
| B | GLU359 |
| B | HOH671 |
