1MKO
A Fourth Quaternary Structure of Human Hemoglobin A at 2.18 A Resolution
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 alpha chain | polymer | 141 | 15150.4 | 2 | UniProt (P69905) Pfam (PF00042) | Homo sapiens (human) | |
| 2 | B, D (B, D) | Hemoglobin beta chain | polymer | 146 | 15890.2 | 2 | UniProt (P68871) Pfam (PF00042) | Homo sapiens (human) | |
| 3 | E, J, M (A, C, D) | PHOSPHATE ION | non-polymer | 95.0 | 3 | Chemie (PO4) | |||
| 4 | F, H, K, N (A, B, C, D) | CARBON MONOXIDE | non-polymer | 28.0 | 4 | Chemie (CMO) | |||
| 5 | G, I, L, O (A, B, C, D) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 6 | P, Q, R, S (A, B, C, D) | water | water | 18.0 | 325 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 62081.1 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 2862.9 | |
| All* | Total formula weight | 64944.0 |
