PDBe 3nel

X-ray diffraction
1.95Å resolution

Aspartyl-tRNA synthetase complexed with aspartic acid


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Aspartate--tRNA(Asp) ligase Chains: A, B
Molecule details ›
Chains: A, B
Length: 438 amino acids
Theoretical weight: 50.98 KDa
Source organism: Thermococcus kodakarensis
Expression system: Escherichia coli
  • Canonical: Q52428 (Residues: 1-438; Coverage: 100%)
Gene names: TK0492, aspS
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LURE BEAMLINE DW32
Spacegroup: P21212
Unit cell:
a: 124.956Å b: 125.488Å c: 87.634Å
α: 90° β: 90° γ: 90°
R R work R free
0.204 0.204 0.236
Expression system: Escherichia coli