1asz

X-ray diffraction
3Å resolution

THE ACTIVE SITE OF YEAST ASPARTYL-TRNA SYNTHETASE: STRUCTURAL AND FUNCTIONAL ASPECTS OF THE AMINOACYLATION REACTION

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-138187 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Aspartate--tRNA ligase, cytoplasmic Chains: A, B
Molecule details ›
Chains: A, B
Length: 490 amino acids
Theoretical weight: 56.03 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Not provided
UniProt:
  • Canonical: P04802 (Residues: 68-557; Coverage: 88%)
Gene names: APS, APS1, DPS1, L1295, YLL018C
Sequence domains:
Structure domains:
T-RNA (75-MER) Chains: R, S
Molecule details ›
Chains: R, S
Length: 75 nucleotides
Theoretical weight: 24.18 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Not provided
Sequence domains: tRNA

Ligands and Environments

1 bound ligand:

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21212
Unit cell:
a: 211.27Å b: 145.35Å c: 86.19Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.203 0.203 not available
Expression system: Not provided