8I4I
The asymmetric structure of homodimeric E. coli TrpRS bound with tryptophanyl adenylate and L-tryptophan
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Tryptophan--tRNA ligase | polymer | 340 | 38373.7 | 2 | UniProt (P00954) Pfam (PF00579) In PDB | Escherichia coli K-12 | Tryptophanyl-tRNA synthetase,TrpRS |
2 | A | TRYPTOPHAN | non-polymer | 204.2 | 1 | Chemie (TRP) | |||
3 | A, B | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
4 | B | TRYPTOPHANYL-5'AMP | non-polymer | 533.4 | 1 | Chemie (TYM) | |||
5 | water | water | 18.0 | 246 | 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 | 4 |
Total formula weight | 929.8 | |
All* | Total formula weight | 77677.3 |