3E89
Crystal Structure of the the open NaK channel-low Na+ complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Potassium channel protein | polymer | 96 | 10706.5 | 2 | UniProt (Q81HW2) Pfam (PF07885) | Bacillus cereus | |
| 2 | C, D, H (A, B) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 3 | Chemie (MPD) | |||
| 3 | E, I (A, B) | CESIUM ION | non-polymer | 132.9 | 2 | Chemie (CS) | |||
| 4 | F, G, J, K (A, B) | SODIUM ION | non-polymer | 23.0 | 4 | Chemie (NA) | |||
| 5 | L, M (A, B) | water | water | 18.0 | 144 | Chemie (HOH) |
Sequence modifications
A, B: 19 - 110 (UniProt: Q81HW2)
| PDB | External Database | Details |
|---|---|---|
| Leu 111 | - | expression tag |
| Val 112 | - | expression tag |
| Pro 113 | - | expression tag |
| Arg 114 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 21413.1 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 712.3 | |
| All* | Total formula weight | 22125.4 |
