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Crystal structure of a GH31 family sulfoquinovosidase mutant D455N from Agrobacterium tumefaciens in complex with sulfoquinovosyl glycerol (SQGro)

X-ray diffraction
2.15Å resolution
PDB entry 7ofx coloured by chain, front view.
PDB entry 7ofx coloured by chain, side view.
PDB entry 7ofx coloured by chain, top view.
Source organism: Agrobacterium tumefaciens
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Sulfoquinovosidase
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Multimeric state: homo dimer
Accessible surface area: 43016.23 Å2
Buried surface area: 1678.47 Å2
Dissociation area: 839.24 Å2
Dissociation energy (ΔGdiss): -5.63 kcal/mol
Dissociation entropy (TΔSdiss): 15.08 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-221599
Assembly 2
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Assembly Name: Sulfoquinovosidase
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Multimeric state: homo dimer
Accessible surface area: 43214.81 Å2
Buried surface area: 1562.7 Å2
Dissociation area: 781.35 Å2
Dissociation energy (ΔGdiss): -6.15 kcal/mol
Dissociation entropy (TΔSdiss): 15.05 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-221599

Macromolecules

Sulfoquinovosidase
Chains: A, B, C, D
Length: 672 amino acids
Theoretical weight: 75.23 KDa
Source organism: Agrobacterium tumefaciens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A9CEZ0 (Residues: 1-664; Coverage: 100%)
Gene names: Atu3285, smoI
Pfam:
InterPro:
Sulfoquinovosidase in PDB entry 7ofx, assembly 1, front view.
Sulfoquinovosidase in PDB entry 7ofx, assembly 1, side view.
Sulfoquinovosidase in PDB entry 7ofx, assembly 1, top view.
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