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Crystal structure of archaeal O-phosphoseryl-tRNA(Sec) kinase

X-ray diffraction
1.792Å resolution
PDB entry 3a4m coloured by chain, front view.
PDB entry 3a4m coloured by chain, side view.
PDB entry 3a4m 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: L-seryl-tRNA(Sec) kinase
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Multimeric state: homo dimer
Accessible surface area: 23772.67 Å2
Buried surface area: 4897.06 Å2
Dissociation area: 1,176.64 Å2
Dissociation energy (ΔGdiss): 0.57 kcal/mol
Dissociation entropy (TΔSdiss): 13.24 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-176713

Macromolecules

L-seryl-tRNA(Sec) kinase
Chains: A, B
Length: 260 amino acids
Theoretical weight: 31.01 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli
UniProt:
  • Canonical: Q58933 (Residues: 1-248; Coverage: 100%)
Gene names: MJ1538, pstK
Pfam: Chromatin associated protein KTI12
InterPro:
CATH:
L-seryl-tRNA(Sec) kinase in PDB entry 3a4m, assembly 1, front view.
L-seryl-tRNA(Sec) kinase in PDB entry 3a4m, assembly 1, side view.
L-seryl-tRNA(Sec) kinase in PDB entry 3a4m, assembly 1, top view.
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