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N-terminal editing domain of threonyl-tRNA synthetase from Aeropyrum pernix with L-Ser3AA (snapshot 1)

X-ray diffraction
1.88Å resolution
PDB entry 4rr6 coloured by chain, front view.
PDB entry 4rr6 coloured by chain, side view.
PDB entry 4rr6 coloured by chain, top view.
Source organism: Aeropyrum pernix K1
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: Threonine--tRNA ligase editing subunit
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Multimeric state: homo dimer
Accessible surface area: 11458.68 Å2
Buried surface area: 3635.33 Å2
Dissociation area: 1,065.25 Å2
Dissociation energy (ΔGdiss): 2.67 kcal/mol
Dissociation entropy (TΔSdiss): 11.82 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-195497

Macromolecules

Threonine--tRNA ligase editing subunit
Chain: A
Length: 136 amino acids
Theoretical weight: 15.14 KDa
Source organism: Aeropyrum pernix K1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9YFY3 (Residues: 1-136; Coverage: 32%)
Gene names: APE_0117.1, thrS2
Pfam: Archaea-specific editing domain of threonyl-tRNA synthetase
InterPro:
CATH: D-tyrosyl-tRNA(Tyr) deacylase
Threonine--tRNA ligase editing subunit in PDB entry 4rr6, assembly 1, front view.
Threonine--tRNA ligase editing subunit in PDB entry 4rr6, assembly 1, side view.
Threonine--tRNA ligase editing subunit in PDB entry 4rr6, assembly 1, top view.
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