PDBe 1zh0

X-ray diffraction
1.9Å resolution

Crystal Structure of L-3-(2-napthyl)alanine-tRNA synthetase in complex with L-3-(2-napthyl)alanine

Primary publication:
Structural plasticity of an aminoacyl-tRNA synthetase active site.
Proc. Natl. Acad. Sci. U.S.A. 103 6483-8 (2006)
PMID: 16618920

Function and Biology Details

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Tyrosine--tRNA ligase Chain: A
Molecule details ›
Chain: A
Length: 314 amino acids
Theoretical weight: 36.06 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q57834 (Residues: 1-306; Coverage: 100%)
Gene names: MJ0389, tyrS
Sequence domains: tRNA synthetases class I (W and Y)
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.3
Spacegroup: P43212
Unit cell:
a: 102.995Å b: 102.995Å c: 71.441Å
α: 90° β: 90° γ: 90°
R R work R free
0.222 0.22 0.275
Expression system: Escherichia coli BL21(DE3)