4XK0
Crystal structure of a tetramolecular RNA G-quadruplex in potassium
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, C | RNA (5'-(*UP*GP*GP*GP*GP*U)-3') | polymer | 6 | 1948.2 | 2 | synthetic construct | ||
2 | A, C | POTASSIUM ION | non-polymer | 39.1 | 9 | Chemie (K) | |||
3 | A, C | BARIUM ION | non-polymer | 137.3 | 3 | Chemie (BA) | |||
4 | water | water | 18.0 | 61 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 3896.4 | |
Non-Polymers* | Number of molecules | 12 |
Total formula weight | 763.9 | |
All* | Total formula weight | 4660.3 |