2j5b

X-ray diffraction
2.2Å resolution

Structure of the Tyrosyl tRNA synthetase from Acanthamoeba polyphaga Mimivirus complexed with tyrosynol

Released:

Function and Biology Details

Reaction catalysed:
ATP + L-tyrosine + tRNA(Tyr) = AMP + diphosphate + L-tyrosyl-tRNA(Tyr)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-178376 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tyrosine--tRNA ligase Chains: A, B
Molecule details ›
Chains: A, B
Length: 348 amino acids
Theoretical weight: 39.9 KDa
Source organism: Acanthamoeba polyphaga mimivirus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q5UPJ7 (Residues: 2-346; Coverage: 100%)
Gene names: MIMI_L124, YARS
Sequence domains: tRNA synthetases class I (W and Y)
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P212121
Unit cell:
a: 63.502Å b: 107.3Å c: 148.89Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.216 0.216 0.248
Expression system: Escherichia coli BL21(DE3)