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crystal structure of apo M. jannashii tyrosyl-tRNA synthetase

X-ray diffraction
2.65Å resolution
PDB entry 1u7d coloured by chain, front view.
PDB entry 1u7d coloured by chain, side view.
PDB entry 1u7d coloured by chain, top view.
Source organism: Methanocaldococcus jannaschii
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Tyrosine--tRNA ligase
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Multimeric state: homo dimer
Accessible surface area: 27465.08 Å2
Buried surface area: 2846.18 Å2
Dissociation area: 1,423.09 Å2
Dissociation energy (ΔGdiss): 17.67 kcal/mol
Dissociation entropy (TΔSdiss): 13.5 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-176482

Macromolecules

Tyrosine--tRNA ligase
Chains: A, B
Length: 306 amino acids
Theoretical weight: 35.1 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli
UniProt:
  • Canonical: Q57834 (Residues: 1-306; Coverage: 100%)
Gene names: MJ0389, tyrS
Pfam: tRNA synthetases class I (W and Y)
InterPro:
CATH:
SCOP: Class I aminoacyl-tRNA synthetases (RS), catalytic domain
Tyrosine--tRNA ligase in PDB entry 1u7d, assembly 1, front view.
Tyrosine--tRNA ligase in PDB entry 1u7d, assembly 1, side view.
Tyrosine--tRNA ligase in PDB entry 1u7d, assembly 1, top view.
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