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CRYSTAL STRUCTURE OF L-RIBULOSE-5-PHOSPHATE 4-EPIMERASE

X-ray diffraction
2.4Å resolution
PDB entry 1jdi coloured by chain, front view.
PDB entry 1jdi coloured by chain, side view.
PDB entry 1jdi coloured by chain, top view.
Source organism: Escherichia coli K-12
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: L-ribulose-5-phosphate 4-epimerase AraD
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Multimeric state: homo tetramer
Accessible surface area: 32952.12 Å2
Buried surface area: 10671.93 Å2
Dissociation area: 5,136.31 Å2
Dissociation energy (ΔGdiss): 47.75 kcal/mol
Dissociation entropy (TΔSdiss): 40.27 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-140030
Assembly 2
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Assembly Name: L-ribulose-5-phosphate 4-epimerase AraD
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Multimeric state: homo tetramer
Accessible surface area: 33044.17 Å2
Buried surface area: 10483.54 Å2
Dissociation area: 5,041.8 Å2
Dissociation energy (ΔGdiss): 50.41 kcal/mol
Dissociation entropy (TΔSdiss): 40.24 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-140030
Assembly 3
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Assembly Name: L-ribulose-5-phosphate 4-epimerase AraD
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Multimeric state: homo tetramer
Accessible surface area: 32971.45 Å2
Buried surface area: 10487.24 Å2
Dissociation area: 5,043.66 Å2
Dissociation energy (ΔGdiss): 46.7 kcal/mol
Dissociation entropy (TΔSdiss): 40.25 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-140030
Assembly 4
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Assembly Name: L-ribulose-5-phosphate 4-epimerase AraD
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Multimeric state: homo tetramer
Accessible surface area: 32838.09 Å2
Buried surface area: 10576.96 Å2
Dissociation area: 5,087.32 Å2
Dissociation energy (ΔGdiss): 44.08 kcal/mol
Dissociation entropy (TΔSdiss): 40.25 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-140030
Assembly 5
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Assembly Name: L-ribulose-5-phosphate 4-epimerase AraD
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Multimeric state: homo tetramer
Accessible surface area: 33036.87 Å2
Buried surface area: 10585.49 Å2
Dissociation area: 5,091.64 Å2
Dissociation energy (ΔGdiss): 44.83 kcal/mol
Dissociation entropy (TΔSdiss): 40.26 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-140030
Assembly 6
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Assembly Name: L-ribulose-5-phosphate 4-epimerase AraD
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Multimeric state: homo tetramer
Accessible surface area: 33173.88 Å2
Buried surface area: 10563.09 Å2
Dissociation area: 5,083.32 Å2
Dissociation energy (ΔGdiss): 49.36 kcal/mol
Dissociation entropy (TΔSdiss): 40.26 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-140030
Assembly 7
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Assembly Name: L-ribulose-5-phosphate 4-epimerase AraD
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Multimeric state: homo tetramer
Accessible surface area: 43012.72 Å2
Buried surface area: 402.33 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-140030

Macromolecules

L-ribulose-5-phosphate 4-epimerase AraD
Chains: A, B, C, D, E, F
Length: 231 amino acids
Theoretical weight: 25.53 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P08203 (Residues: 1-231; Coverage: 100%)
Gene names: JW0060, araD, b0061
Pfam: Class II Aldolase and Adducin N-terminal domain
InterPro:
CATH: Class II aldolase/adducin N-terminal domain
SCOP: AraD-like aldolase/epimerase
L-ribulose-5-phosphate 4-epimerase AraD in PDB entry 1jdi, assembly 1, front view.
L-ribulose-5-phosphate 4-epimerase AraD in PDB entry 1jdi, assembly 1, side view.
L-ribulose-5-phosphate 4-epimerase AraD in PDB entry 1jdi, assembly 1, top view.
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