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The crystal structure of D-ribulose 5-phosphate 3-epimerase from Streptococus pyogenes complexed with D-xylitol 5-phosphate

X-ray diffraction
1.8Å resolution
PDB entry 2fli coloured by chain, front view.
PDB entry 2fli coloured by chain, side view.
PDB entry 2fli coloured by chain, top view.
Source organism: Streptococcus pyogenes
Assembly composition:
homo hexamer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Ribulose-phosphate 3-epimerase
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Multimeric state: homo hexamer
Accessible surface area: 41993.06 Å2
Buried surface area: 15744.22 Å2
Dissociation area: 3,142.59 Å2
Dissociation energy (ΔGdiss): 5.07 kcal/mol
Dissociation entropy (TΔSdiss): 28.84 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-189455
Assembly 2
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Assembly Name: Ribulose-phosphate 3-epimerase
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Multimeric state: homo hexamer
Accessible surface area: 42040.03 Å2
Buried surface area: 15747.7 Å2
Dissociation area: 3,141.88 Å2
Dissociation energy (ΔGdiss): 6.28 kcal/mol
Dissociation entropy (TΔSdiss): 28.85 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-189455

Macromolecules

Ribulose-phosphate 3-epimerase
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 220 amino acids
Theoretical weight: 23.77 KDa
Source organism: Streptococcus pyogenes
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9A1H8 (Residues: 1-220; Coverage: 100%)
Gene names: SPy_0264, rpe
Pfam: Ribulose-phosphate 3 epimerase family
InterPro:
CATH: Aldolase class I
SCOP: D-ribulose-5-phosphate 3-epimerase
Ribulose-phosphate 3-epimerase in PDB entry 2fli, assembly 1, front view.
Ribulose-phosphate 3-epimerase in PDB entry 2fli, assembly 1, side view.
Ribulose-phosphate 3-epimerase in PDB entry 2fli, assembly 1, top view.
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