1il2

X-ray diffraction
2.6Å resolution

Crystal Structure of the E. coli Aspartyl-tRNA Synthetase:Yeast tRNAasp:aspartyl-Adenylate Complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Aspartate--tRNA ligase Chains: A, B
Molecule details ›
Chains: A, B
Length: 590 amino acids
Theoretical weight: 66 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P21889 (Residues: 1-590; Coverage: 100%)
Gene names: JW1855, aspS, b1866, tls
Sequence domains:
Structure domains:
ASPARTYL TRANSFER RNA Chains: C, D
Molecule details ›
Chains: C, D
Length: 75 nucleotides
Theoretical weight: 24.18 KDa
Source organism: Saccharomyces cerevisiae
Sequence domains: tRNA

Ligands and Environments

2 bound ligands:

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P21
Unit cell:
a: 75.8Å b: 222.8Å c: 80.8Å
α: 90° β: 111.8° γ: 90°
R-values:
R R work R free
0.204 0.204 0.257
Expression system: Escherichia coli