Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0019825 | molecular_function | oxygen binding |
| A | 0020037 | molecular_function | heme binding |
| B | 0019825 | molecular_function | oxygen binding |
| B | 0020037 | molecular_function | heme binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 16 |
| Details | binding site for residue HEM A 201 |
| Chain | Residue |
| A | VAL46 |
| A | HIS98 |
| A | ILE101 |
| A | ILE103 |
| A | ILE107 |
| A | MET110 |
| A | PHE112 |
| A | HOH316 |
| A | PHE55 |
| A | VAL61 |
| A | GLN64 |
| A | LEU65 |
| A | MET69 |
| A | TRP72 |
| A | THR93 |
| A | VAL94 |
| site_id | AC2 |
| Number of Residues | 18 |
| Details | binding site for residue HEM B 201 |
| Chain | Residue |
| B | VAL46 |
| B | PHE55 |
| B | VAL61 |
| B | GLN64 |
| B | LEU65 |
| B | ALA68 |
| B | MET69 |
| B | TRP72 |
| B | THR93 |
| B | VAL94 |
| B | HIS98 |
| B | ILE103 |
| B | ILE107 |
| B | MET110 |
| B | GLY111 |
| B | PHE112 |
| B | HOH306 |
| B | HOH311 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | BINDING: proximal binding residue |
| Chain | Residue | Details |
| A | HIS98 | |
| B | HIS98 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 2 |
| Details | SITE: Involved in oxygen binding and important for the stability of the Fe(II)-O(2) complex |
| Chain | Residue | Details |
| A | TYR43 | |
| B | TYR43 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | SITE: Important for oxygen binding and stability of the Fe(II)-O(2) complex |
| Chain | Residue | Details |
| A | GLN60 | |
| B | GLN60 | |
| site_id | SWS_FT_FI4 |
| Number of Residues | 2 |
| Details | SITE: Critical for restricting water access to the heme distal side to avoid rapid autoxidation |
| Chain | Residue | Details |
| A | LEU65 | |
| B | LEU65 | |
