Structure analysis

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

X-ray diffraction
2.4Å resolution
Source organism: Escherichia coli K-12
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: homo tetramer
Accessible surface area: 33000 Å2
Buried surface area: 10700 Å2
Dissociation area: 5,100 Å2
Dissociation energy (ΔGdiss): 49 kcal/mol
Dissociation entropy (TΔSdiss): 40 kcal/mol
Interface energy (ΔGint): -206 kcal/mol
Symmetry number: 4
Assembly 2
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Multimeric state: homo tetramer
Accessible surface area: 33000 Å2
Buried surface area: 10500 Å2
Dissociation area: 5,000 Å2
Dissociation energy (ΔGdiss): 52 kcal/mol
Dissociation entropy (TΔSdiss): 40 kcal/mol
Interface energy (ΔGint): -212 kcal/mol
Symmetry number: 4
Assembly 3
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Multimeric state: homo tetramer
Accessible surface area: 33000 Å2
Buried surface area: 10500 Å2
Dissociation area: 5,000 Å2
Dissociation energy (ΔGdiss): 48 kcal/mol
Dissociation entropy (TΔSdiss): 40 kcal/mol
Interface energy (ΔGint): -207 kcal/mol
Symmetry number: 4
Assembly 4
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Multimeric state: homo tetramer
Accessible surface area: 32800 Å2
Buried surface area: 10600 Å2
Dissociation area: 5,100 Å2
Dissociation energy (ΔGdiss): 46 kcal/mol
Dissociation entropy (TΔSdiss): 40 kcal/mol
Interface energy (ΔGint): -203 kcal/mol
Symmetry number: 4
Assembly 5
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Multimeric state: homo tetramer
Accessible surface area: 33000 Å2
Buried surface area: 10600 Å2
Dissociation area: 5,100 Å2
Dissociation energy (ΔGdiss): 48 kcal/mol
Dissociation entropy (TΔSdiss): 40 kcal/mol
Interface energy (ΔGint): -203 kcal/mol
Symmetry number: 4
Assembly 6
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Multimeric state: homo tetramer
Accessible surface area: 33200 Å2
Buried surface area: 10600 Å2
Dissociation area: 5,100 Å2
Dissociation energy (ΔGdiss): 49 kcal/mol
Dissociation entropy (TΔSdiss): 40 kcal/mol
Interface energy (ΔGint): -204 kcal/mol
Symmetry number: 4
Assembly 7
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Multimeric state: homo tetramer
Accessible surface area: 43000 Å2
Buried surface area: 400 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Interface energy (ΔGint): -144 kcal/mol
Symmetry number: 4

Macromolecules

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: L-fuculose-1-phosphate Aldolase
SCOP: AraD-like aldolase/epimerase

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