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Crystal structure of shikimate dehydrogenase from aquifex aeolicus in complex with mercury at 2.5 angstrom resolution

X-ray diffraction
2.5Å resolution
PDB entry 2hk7 coloured by chain, front view.
PDB entry 2hk7 coloured by chain, side view.
PDB entry 2hk7 coloured by chain, top view.
Source organism: Aquifex aeolicus
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Shikimate dehydrogenase (NADP(+))
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Multimeric state: monomeric
Accessible surface area: 13086.12 Å2
Buried surface area: 349.36 Å2
Dissociation area: 38.86 Å2
Dissociation energy (ΔGdiss): 6.57 kcal/mol
Dissociation entropy (TΔSdiss): 1.79 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-130418
Assembly 2
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Assembly Name: Shikimate dehydrogenase (NADP(+))
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Multimeric state: monomeric
Accessible surface area: 13098.67 Å2
Buried surface area: 378.63 Å2
Dissociation area: 43.93 Å2
Dissociation energy (ΔGdiss): 8.39 kcal/mol
Dissociation entropy (TΔSdiss): 1.79 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-130418

Macromolecules

Shikimate dehydrogenase (NADP(+))
Chains: A, B
Length: 269 amino acids
Theoretical weight: 30.11 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O67049 (Residues: 1-269; Coverage: 100%)
Gene names: aq_901, aroE
Pfam:
InterPro:
CATH:
Shikimate dehydrogenase (NADP(+)) in PDB entry 2hk7, assembly 1, front view.
Shikimate dehydrogenase (NADP(+)) in PDB entry 2hk7, assembly 1, side view.
Shikimate dehydrogenase (NADP(+)) in PDB entry 2hk7, assembly 1, top view.
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