Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | HEMOGLOBIN I (CARBONMONOXY) | polymer | 146 | 15966.3 | 2 | UniProt (P02213) Pfam (PF00042) In PDB | Scapharca inaequivalvis (ark clam) | |
| 2 | A, B | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 3 | A, B | CARBON MONOXIDE | non-polymer | 28.0 | 2 | Chemie (CMO) | |||
| 4 | water | water | 18.0 | 265 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 31932.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1289.0 | |
| All* | Total formula weight | 33221.6 |
