4jxz

X-ray diffraction
2.4Å resolution

Structure of E. coli glutaminyl-tRNA synthetase bound to ATP and a tRNA(Gln) acceptor containing a UUG anticodon

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133724 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Glutamine--tRNA ligase Chain: A
Molecule details ›
Chain: A
Length: 553 amino acids
Theoretical weight: 63.43 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P00962 (Residues: 2-554; Coverage: 100%)
Gene names: JW0666, b0680, glnS
Sequence domains:
Structure domains:
RNA (71-MER) Chain: B
Molecule details ›
Chain: B
Length: 75 nucleotides
Theoretical weight: 24.06 KDa
Source organism: synthetic construct
Expression system: Not provided
Sequence domains: tRNA

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 4.2.2
Spacegroup: C2221
Unit cell:
a: 93.27Å b: 236.71Å c: 114.01Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.233 0.23 0.266
Expression systems:
  • Escherichia coli
  • Not provided