8I2M
The crystal structure of homodimeric E. coli tryptophanyl-tRNA synthetase bound with niraparib at one of its two active sites
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) | Tryptophan--tRNA ligase | polymer | 340 | 38373.7 | 2 | UniProt (P00954) Pfam (PF00579) | Escherichia coli K-12 | Tryptophanyl-tRNA synthetase,TrpRS |
| 2 | C (A) | 2-{4-[(3S)-piperidin-3-yl]phenyl}-2H-indazole-7-carboxamide | non-polymer | 320.4 | 1 | Chemie (3JD) | |||
| 3 | D, E, G (A, B) | SULFATE ION | non-polymer | 96.1 | 3 | Chemie (SO4) | |||
| 4 | F (B) | TRYPTOPHANYL-5'AMP | non-polymer | 533.4 | 1 | Chemie (TYM) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 349 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 333 (UniProt: P00954)
| PDB | External Database | Details |
|---|---|---|
| Arg 334 | - | expression tag |
| His 335 | - | expression tag |
| His 336 | - | expression tag |
| His 337 | - | expression tag |
| His 338 | - | expression tag |
| His 339 | - | expression tag |
| His 340 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 76747.5 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 1142.0 | |
| All* | Total formula weight | 77889.5 |
