3CUN
Aminoacyl-tRNA synthetase ribozyme
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (C, D) | RNA (92-MER) | polymer | 92 | 29820.5 | 2 | |||
| 2 | C, D (A, B) | U1 small nuclear ribonucleoprotein A | polymer | 98 | 11574.8 | 2 | UniProt (P09012) Pfam (PF00076) | Homo sapiens (human) | U1 snRNP protein A, U1A protein, U1-A |
| 3 | E, F, G, H, I... (C, D) | MAGNESIUM ION | non-polymer | 24.3 | 9 | Chemie (MG) | |||
| 4 | J (C) | POTASSIUM ION | non-polymer | 39.1 | 1 | Chemie (K) | |||
| 5 | O (B) | COBALT (II) ION | non-polymer | 58.9 | 1 | Chemie (CO) |
Sequence modifications
A, B: 301 - 393 (UniProt: P09012)
| PDB | External Database | Details |
|---|---|---|
| His 326 | Tyr 31 | engineered mutation |
| Arg 331 | Gln 36 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 82790.7 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 316.8 | |
| All* | Total formula weight | 83107.4 |
