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Crystal Structure of a Bacterial Ig-like Domain Containing GH10 Xylanase from Termite Gut

X-ray diffraction
2Å resolution
PDB 4hu8 coloured by chain and viewed from the front.
PDB 4hu8 coloured by chain and viewed from the side.
PDB 4hu8 coloured by chain and viewed from the top.
Source organism: Globitermes brachycerastes
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Multimeric state: monomeric
Accessible surface area: 19000 Å2
Buried surface area: 450 Å2
Dissociation area: 150 Å2
Dissociation energy (ΔGdiss): 2 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -11 kcal/mol
Symmetry number: 1
Assembly 2
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Multimeric state: monomeric
Accessible surface area: 19200 Å2
Buried surface area: 600 Å2
Dissociation area: 150 Å2
Dissociation energy (ΔGdiss): 2 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -23 kcal/mol
Symmetry number: 1
Assembly 3
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Multimeric state: monomeric
Accessible surface area: 19000 Å2
Buried surface area: 950 Å2
Dissociation area: 100 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -12 kcal/mol
Symmetry number: 1
Assembly 4
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Multimeric state: monomeric
Accessible surface area: 19100 Å2
Buried surface area: 600 Å2
Dissociation area: 150 Å2
Dissociation energy (ΔGdiss): 3 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -24 kcal/mol
Symmetry number: 1
Assembly 5
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Multimeric state: monomeric
Accessible surface area: 19400 Å2
Buried surface area: 450 Å2
Dissociation area: 150 Å2
Dissociation energy (ΔGdiss): 3 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -14 kcal/mol
Symmetry number: 1
Assembly 6
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Multimeric state: monomeric
Accessible surface area: 19400 Å2
Buried surface area: 300 Å2
Dissociation area: 100 Å2
Dissociation energy (ΔGdiss): 11 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -21 kcal/mol
Symmetry number: 1
Assembly 7
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Multimeric state: monomeric
Accessible surface area: 19200 Å2
Buried surface area: 600 Å2
Dissociation area: 100 Å2
Dissociation energy (ΔGdiss): 2 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -15 kcal/mol
Symmetry number: 1
Assembly 8 (preferred)
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Multimeric state: monomeric
Accessible surface area: 19300 Å2
Buried surface area: 800 Å2
Dissociation area: 100 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -24 kcal/mol
Symmetry number: 1

Macromolecules

Beta-xylanase
Chains: A, B, C, D, E, F, G, H
Length: 456 amino acids
Theoretical weight: 51.21 KDa
Source organism: Globitermes brachycerastes
Expression system: Escherichia coli
UniProt:
  • Canonical: K7PDC1 (Residues: 21-476; Coverage: 100%)
Pfam:
InterPro:
CATH:
PDB 4hu8 contains 1 copy of Beta-xylanase in assembly 8. This protein is highlighted and viewed from the front.
PDB 4hu8 contains 1 copy of Beta-xylanase in assembly 8. This protein is highlighted and viewed from the side.
PDB 4hu8 contains 1 copy of Beta-xylanase in assembly 8. This protein is highlighted and viewed from the top.
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