Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 22 |
| Details | binding site for residue HEM A 401 |
| Chain | Residue |
| A | TYR38 |
| A | ARG224 |
| A | ASN226 |
| A | TRP227 |
| A | PHE281 |
| A | TYR317 |
| A | LYS318 |
| A | DMN402 |
| A | HOH519 |
| A | HOH538 |
| A | HOH589 |
| A | SER39 |
| A | HOH681 |
| A | HOH685 |
| A | HOH705 |
| A | LEU160 |
| A | TRP180 |
| A | TRP193 |
| A | HIS194 |
| A | VAL197 |
| A | VAL205 |
| A | PHE206 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue DMN A 402 |
| Chain | Residue |
| A | GLU266 |
| A | GLN268 |
| A | HEM401 |
| A | HOH705 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | binding site for residue PEG A 403 |
| Chain | Residue |
| A | MET37 |
| A | NA404 |
| A | NA404 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | binding site for residue NA A 404 |
| Chain | Residue |
| A | PEG403 |
| A | PEG403 |
