2wfd

X-ray diffraction
3.25Å resolution

Structure of the human cytosolic leucyl-tRNA synthetase editing domain

Released:

Function and Biology Details

Reaction catalysed:
ATP + L-leucine + tRNA(Leu) = AMP + diphosphate + L-leucyl-tRNA(Leu)
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-192840 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Leucine--tRNA ligase, cytoplasmic Chains: A, B
Molecule details ›
Chains: A, B
Length: 252 amino acids
Theoretical weight: 28.47 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9P2J5 (Residues: 258-509; Coverage: 21%)
Gene names: KIAA1352, LARS, LARS1
Sequence domains: tRNA synthetases class I (I, L, M and V)
Structure domains: Valyl/Leucyl/Isoleucyl-tRNA synthetase, editing domain

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P65
Unit cell:
a: 94.54Å b: 94.54Å c: 148.82Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.204 0.202 0.24
Expression system: Escherichia coli BL21(DE3)