Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 19 |
| Details | BINDING SITE FOR RESIDUE HEM A 139 |
| Chain | Residue |
| A | PHE24 |
| A | MET86 |
| A | GLN88 |
| A | HIS89 |
| A | LEU92 |
| A | ASN96 |
| A | PHE97 |
| A | LEU100 |
| A | LEU127 |
| A | XE140 |
| A | HOH254 |
| A | GLU31 |
| A | TYR34 |
| A | PHE35 |
| A | HIS55 |
| A | LYS58 |
| A | VAL59 |
| A | MET63 |
| A | LEU83 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE XE A 140 |
| Chain | Residue |
| A | PHE21 |
| A | HEM139 |
| A | HOH254 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE XE A 141 |
| Chain | Residue |
| A | LEU62 |
| A | VAL66 |
| A | ASP79 |
| A | THR82 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A 142 |
| Chain | Residue |
| A | GLY1 |
| A | PHE2 |
| A | LYS3 |
| A | HOH225 |
| B | ARG32 |
| B | GLY40 |
| B | LYS41 |
| B | HOH220 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 143 |
| Chain | Residue |
| A | ARG32 |
| A | GLY40 |
| A | HOH221 |
| B | GLY1 |
| B | PHE2 |
| B | LYS3 |
| site_id | AC6 |
| Number of Residues | 20 |
| Details | BINDING SITE FOR RESIDUE HEM B 139 |
| Chain | Residue |
| B | PHE24 |
| B | GLU31 |
| B | TYR34 |
| B | PHE35 |
| B | LYS36 |
| B | HIS55 |
| B | LYS58 |
| B | VAL59 |
| B | MET63 |
| B | MET86 |
| B | GLN88 |
| B | HIS89 |
| B | LEU92 |
| B | ASN96 |
| B | PHE97 |
| B | LEU127 |
| B | HOH223 |
| B | HOH248 |
| B | HOH256 |
| B | HOH257 |
| site_id | AC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE XE B 140 |
| Chain | Residue |
| B | PHE21 |
| B | HOH256 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE XE B 141 |
| Chain | Residue |
| B | LEU62 |
| B | ASP79 |
| B | THR82 |
