Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | Hemoglobin subunit alpha | polymer | 141 | 15150.4 | 2 | UniProt (P69905) Pfam (PF00042) | Homo sapiens (human) | Alpha-globin,Hemoglobin alpha chain |
| 2 | B, D (B, D) | Hemoglobin subunit beta | polymer | 146 | 15890.2 | 2 | UniProt (P68871) Pfam (PF00042) | Homo sapiens (human) | Beta-globin,Hemoglobin beta chain |
| 3 | E, JA, QA, S (A, C, D, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 4 | F, IA, K, MA, VA... (A, C, D, B) | GLYCEROL | non-polymer | 92.1 | 6 | Chemie (GOL) | |||
| 5 | G, HA, U (A, C, B) | 4-[2-[[5-(1H-indol-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl]ethanoylamino]benzoic acid | non-polymer | 394.4 | 3 | Chemie (A1ITR) | |||
| 6 | H, I, M, R, SA... (A, B, D) | DIMETHYL SULFOXIDE | non-polymer | 78.1 | 8 | Chemie (DMS) | |||
| 7 | J, KA, RA, W (A, C, D, B) | CARBON MONOXIDE | non-polymer | 28.0 | 4 | Chemie (CMO) | |||
| 8 | L, LA (A, C) | ACETIC ACID | non-polymer | 60.1 | 2 | Chemie (ACY) | |||
| 9 | AA, BA, CA, DA, EA... (B, A, C, D) | SULFATE ION | non-polymer | 96.1 | 16 | Chemie (SO4) | |||
| 10 | X (B) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 1 | Chemie (PGE) | |||
| 11 | WA, XA, YA, ZA (A, B, C, D) | water | water | 18.0 | 323 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 62081.1 | |
| Non-Polymers* | Number of molecules | 44 |
| Total formula weight | 6746.1 | |
| All* | Total formula weight | 68827.2 |
