7YCI
Cryo-EM structure of Tetrahymena ribozyme conformation 4 undergoing the first-step self-splicing
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (B) | RNA (5'-R(*CP*CP*CP*UP*CP*U)-3') | polymer | 6 | 1788.1 | 1 | Tetrahymena | ||
| 2 | B (N) | RNA (389-MER) | polymer | 393 | 127011.9 | 1 | GenBank (10832) | Tetrahymena | |
| 3 | C (N) | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | 523.2 | 1 | Chemie (GTP) | |||
| 4 | D, E, F (N) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) |
Sequence modifications
N: 19 - 409 (GenBank: 10832)
| PDB | External Database | Details |
|---|---|---|
| G 17 | - | expression tag |
| G 18 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 128800.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 596.1 | |
| All* | Total formula weight | 129396.1 |
