X-ray diffraction
2.3Å resolution

Crystal structure of the non-discriminating and archaeal-type aspartyl-tRNA synthetase from Thermus thermophilus


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Aspartate--tRNA(Asp/Asn) ligase Chains: A, B
Molecule details ›
Chains: A, B
Length: 422 amino acids
Theoretical weight: 48.4 KDa
Source organism: Thermus thermophilus
Expression system: Escherichia coli
  • Canonical: Q5SIC2 (Residues: 1-422; Coverage: 100%)
Gene names: TTHA1452, aspS2
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P212121
Unit cell:
a: 57.361Å b: 122.554Å c: 167.137Å
α: 90° β: 90° γ: 90°
R R work R free
0.227 0.227 0.262
Expression system: Escherichia coli