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Crystal structure of gluconate kinase

X-ray diffraction
2.28Å resolution
PDB entry 1ko5 coloured by chain, front view.
PDB entry 1ko5 coloured by chain, side view.
PDB entry 1ko5 coloured by chain, top view.
Source organism: Escherichia coli
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: Thermoresistant gluconokinase
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Multimeric state: homo dimer
Accessible surface area: 16516.22 Å2
Buried surface area: 3728.49 Å2
Dissociation area: 967.86 Å2
Dissociation energy (ΔGdiss): -0.41 kcal/mol
Dissociation entropy (TΔSdiss): 12.42 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-155522

Macromolecules

Thermoresistant gluconokinase
Chains: A, B
Length: 175 amino acids
Theoretical weight: 19.57 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P46859 (Residues: 1-175; Coverage: 100%)
Gene names: JW3400, b3437, gntK
Pfam: Shikimate kinase
InterPro:
CATH: P-loop containing nucleotide triphosphate hydrolases
SCOP: Gluconate kinase
Thermoresistant gluconokinase in PDB entry 1ko5, assembly 1, front view.
Thermoresistant gluconokinase in PDB entry 1ko5, assembly 1, side view.
Thermoresistant gluconokinase in PDB entry 1ko5, assembly 1, top view.
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