4rrg

X-ray diffraction
1.93Å resolution

Editing domain of threonyl-tRNA synthetase from Methanococcus jannaschii with L-Thr3AA

Released:

Function and Biology Details

Reaction catalysed:
ATP + L-threonine + tRNA(Thr) = AMP + diphosphate + L-threonyl-tRNA(Thr)
Biochemical function:
Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-176654 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Threonine--tRNA ligase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 141 amino acids
Theoretical weight: 15.95 KDa
Source organism: Methanocaldococcus jannaschii DSM 2661
Expression system: Escherichia coli
UniProt:
  • Canonical: Q58597 (Residues: 1-141; Coverage: 23%)
Gene names: MJ1197, thrS
Sequence domains: Archaea-specific editing domain of threonyl-tRNA synthetase
Structure domains: D-tyrosyl-tRNA(Tyr) deacylase

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P21
Unit cell:
a: 36.569Å b: 64.885Å c: 97.752Å
α: 90° β: 91.07° γ: 90°
R-values:
R R work R free
0.198 0.196 0.232
Expression system: Escherichia coli