2ct8

X-ray diffraction
2.7Å resolution

Crystal structure of Aquifex aeolicus methionyl-tRNA synthetase complexed with tRNA(Met) and methionyl-adenylate anologue

Released:
Source organism: Aquifex aeolicus
Primary publication:
Structural basis for anticodon recognition by methionyl-tRNA synthetase.
Nat Struct Mol Biol 12 931-2 (2005)
PMID: 16155581

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-130479 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Methionine--tRNA ligase Chains: A, B
Molecule details ›
Chains: A, B
Length: 497 amino acids
Theoretical weight: 59.02 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli
UniProt:
  • Canonical: O67298 (Residues: 1-497; Coverage: 100%)
Gene names: aq_1257, metG
Sequence domains:
Structure domains:
RNA (74-MER) Chains: C, D
Molecule details ›
Chains: C, D
Length: 74 nucleotides
Theoretical weight: 23.88 KDa
Source organism: Aquifex aeolicus
Expression system: Not provided
Sequence domains: tRNA

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P212121
Unit cell:
a: 91.488Å b: 110.614Å c: 161.009Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.223 0.217 0.272
Expression systems:
  • Escherichia coli
  • Not provided