Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Hemoglobin subunit alpha | polymer | 141 | 15240.3 | 1 | UniProt (P60529) Pfam (PF00042) | Canis lupus familiaris (dogs) | Alpha-globin, Hemoglobin alpha chain |
| 2 | B (B) | Hemoglobin subunit beta | polymer | 146 | 16020.4 | 1 | UniProt (P60524) Pfam (PF00042) | Canis lupus familiaris (dogs) | Beta-globin, Hemoglobin beta chain |
| 3 | C, D (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 4 | E, F (A, B) | water | water | 18.0 | 447 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 31260.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 1233.0 | |
| All* | Total formula weight | 32493.6 |
