1euq

X-ray diffraction
3.1Å resolution

CRYSTAL STRUCTURE OF GLUTAMINYL-TRNA SYNTHETASE COMPLEXED WITH A TRNA-GLN MUTANT AND AN ACTIVE-SITE INHIBITOR

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133725 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Glutamine--tRNA ligase Chain: A
Molecule details ›
Chain: A
Length: 548 amino acids
Theoretical weight: 62.89 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P00962 (Residues: 1-548; Coverage: 99%)
Gene names: JW0666, b0680, glnS
Sequence domains:
Structure domains:
GLUTAMINYL TRNA Chain: B
Molecule details ›
Chain: B
Length: 72 nucleotides
Theoretical weight: 23.18 KDa
Source organism: Escherichia coli
Expression system: Not provided
Sequence domains: tRNA

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: C2221
Unit cell:
a: 230.91Å b: 93.59Å c: 113.11Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.242 0.242 0.285
Expression systems:
  • Escherichia coli
  • Not provided