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Structure of Archaeal Trans-Editing Protein AlaX in complex with L-serine

X-ray diffraction
2.8Å resolution
PDB entry 1wnu coloured by chain, front view.
PDB entry 1wnu coloured by chain, side view.
PDB entry 1wnu coloured by chain, top view.
Source organism: Pyrococcus horikoshii OT3
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: Alanyl-tRNA editing protein AlaX-S
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Multimeric state: homo dimer
Accessible surface area: 15995.41 Å2
Buried surface area: 1113.4 Å2
Dissociation area: 556.7 Å2
Dissociation energy (ΔGdiss): -4.55 kcal/mol
Dissociation entropy (TΔSdiss): 11.97 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-129702

Macromolecules

Alanyl-tRNA editing protein AlaX-S
Chains: A, B
Length: 165 amino acids
Theoretical weight: 19.39 KDa
Source organism: Pyrococcus horikoshii OT3
Expression system: Escherichia coli
UniProt:
  • Canonical: O58307 (Residues: 1-157; Coverage: 100%)
Gene names: PH0574, alaXS
Pfam: Threonyl and Alanyl tRNA synthetase second additional domain
InterPro: Threonyl/alanyl tRNA synthetase, class II-like, putative editing domain superfamily
CATH:
SCOP: AlaX-like
Alanyl-tRNA editing protein AlaX-S in PDB entry 1wnu, assembly 1, front view.
Alanyl-tRNA editing protein AlaX-S in PDB entry 1wnu, assembly 1, side view.
Alanyl-tRNA editing protein AlaX-S in PDB entry 1wnu, assembly 1, top view.
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