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Crystal structure of Dihyrodipicolinate Synthase (dapA)

X-ray diffraction
2.2Å resolution
PDB entry 2yxg coloured by chain, front view.
PDB entry 2yxg coloured by chain, side view.
PDB entry 2yxg coloured by chain, top view.
Source organism: Methanocaldococcus jannaschii DSM 2661
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: 4-hydroxy-tetrahydrodipicolinate synthase
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Multimeric state: homo tetramer
Accessible surface area: 39396.55 Å2
Buried surface area: 9300.65 Å2
Dissociation area: 1,887.66 Å2
Dissociation energy (ΔGdiss): 20.75 kcal/mol
Dissociation entropy (TΔSdiss): 14.82 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-176457

Macromolecules

4-hydroxy-tetrahydrodipicolinate synthase
Chains: A, B, C, D
Length: 289 amino acids
Theoretical weight: 31.61 KDa
Source organism: Methanocaldococcus jannaschii DSM 2661
Expression system: Escherichia coli
UniProt:
  • Canonical: Q57695 (Residues: 1-289; Coverage: 100%)
Gene names: MJ0244, dapA
Pfam: Dihydrodipicolinate synthetase family
InterPro:
CATH: Aldolase class I
4-hydroxy-tetrahydrodipicolinate synthase in PDB entry 2yxg, assembly 1, front view.
4-hydroxy-tetrahydrodipicolinate synthase in PDB entry 2yxg, assembly 1, side view.
4-hydroxy-tetrahydrodipicolinate synthase in PDB entry 2yxg, assembly 1, top view.
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