Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005506 | molecular_function | iron ion binding |
| A | 0015671 | biological_process | oxygen transport |
| A | 0019825 | molecular_function | oxygen binding |
| A | 0020037 | molecular_function | heme binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE HEM A 301 |
| Chain | Residue |
| A | LEU40 |
| A | TRP108 |
| A | PHE111 |
| A | PHE140 |
| A | OXY302 |
| A | TYR43 |
| A | PHE44 |
| A | GLN64 |
| A | LYS67 |
| A | ALA71 |
| A | ARG95 |
| A | HIS96 |
| A | MET103 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE OXY A 302 |
| Chain | Residue |
| A | TYR30 |
| A | PHE44 |
| A | GLN64 |
| A | HEM301 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | BINDING: distal binding residue |
| Chain | Residue | Details |
| A | GLN64 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | BINDING: proximal binding residue |
| Chain | Residue | Details |
| A | HIS96 | |
