1yfr

X-ray diffraction
2.15Å resolution

crystal structure of alanyl-tRNA synthetase in complex with ATP and magnesium

Released:
Source organism: Aquifex aeolicus

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-130484 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alanine--tRNA ligase Chains: A, B
Molecule details ›
Chains: A, B
Length: 465 amino acids
Theoretical weight: 53.77 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli
UniProt:
  • Canonical: O67323 (Residues: 1-454; Coverage: 52%)
Gene names: alaS, aq_1293
Sequence domains: tRNA synthetases class II (A)
Structure domains: Bira Bifunctional Protein; Domain 2

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P212121
Unit cell:
a: 173.602Å b: 73.926Å c: 73.976Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.194 0.225
Expression system: Escherichia coli