3A3Y
Crystal structure of the sodium-potassium pump with bound potassium and ouabain
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Na, K-ATPase alpha subunit | polymer | 1028 | 113309.9 | 1 | UniProt (Q4H132) Pfam (PF00690) Pfam (PF00122) Pfam (PF13246) Pfam (PF00702) Pfam (PF00689) | Squalus acanthias (Spiny dogfish) | |
| 2 | B (B) | NA+,K+-ATPASE BETA SUBUNIT | polymer | 305 | 35175.1 | 1 | Pfam (PF00287) UniProt (by SIFTS) (C4IX13) | SQUALUS ACANTHIAS (Spiny dogfish) | |
| 3 | C (G) | Phospholemman-like protein | polymer | 74 | 8225.4 | 1 | UniProt (Q70Q12) Pfam (PF02038) | Squalus acanthias (Spiny dogfish) | |
| 4 | D (A) | TETRAFLUOROMAGNESATE(2-) | non-polymer | 100.3 | 1 | Chemie (MF4) | |||
| 5 | E (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 6 | F, G, H (A) | POTASSIUM ION | non-polymer | 39.1 | 3 | Chemie (K) | |||
| 7 | I (A) | OUABAIN | non-polymer | 584.7 | 1 | Chemie (OBN) | |||
| 8 | J (B) | CHOLESTEROL | non-polymer | 386.7 | 1 | Chemie (CLR) | |||
| 9 | K, L, M (B) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 3 | Chemie (NAG) | |||
| 10 | N, O (A, G) | water | water | 18.0 | 66 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 156710.5 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 1876.8 | |
| All* | Total formula weight | 158587.3 |
