Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0019825 | molecular_function | oxygen binding |
| A | 0020037 | molecular_function | heme binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 15 |
| Details | binding site for residue HEM A 201 |
| Chain | Residue |
| A | ALA54 |
| A | LEU104 |
| A | PHE110 |
| A | ALA112 |
| A | MET113 |
| A | ARG158 |
| A | IMD203 |
| A | GLN64 |
| A | HIS67 |
| A | LEU68 |
| A | THR71 |
| A | MET72 |
| A | TRP75 |
| A | HIS99 |
| A | ILE102 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | binding site for residue MPD A 202 |
| Chain | Residue |
| A | GLU62 |
| A | ARG139 |
| A | GLY143 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue IMD A 203 |
| Chain | Residue |
| A | PHE44 |
| A | LEU68 |
| A | THR71 |
| A | HEM201 |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | TYR45 | |
| Chain | Residue | Details |
| A | HIS99 | |
