4cqn

X-ray diffraction
2.5Å resolution

Crystal structure of the E.coli LeuRS-tRNA complex with the non- cognate isoleucyl adenylate analogue

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-139770 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Leucine--tRNA ligase Chains: A, D
Molecule details ›
Chains: A, D
Length: 880 amino acids
Theoretical weight: 99.52 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P07813 (Residues: 1-860; Coverage: 100%)
Gene names: JW0637, b0642, leuS
Sequence domains:
Structure domains:
ESCHERICHIA COLI TRNA-LEU UAA ISOACCEPTOR Chains: B, E
Molecule details ›
Chains: B, E
Length: 82 nucleotides
Theoretical weight: 26.48 KDa
Source organism: Escherichia coli
Expression system: Not provided
Sequence domains: tRNA

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: C2
Unit cell:
a: 155.62Å b: 67.58Å c: 224.59Å
α: 90° β: 105° γ: 90°
R-values:
R R work R free
0.218 0.214 0.29
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided