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Crystal structure of the porcine astrovirus capsid spike domain

X-ray diffraction
2.5Å resolution
PDB entry 7xca coloured by chain, front view.
PDB entry 7xca coloured by chain, side view.
PDB entry 7xca coloured by chain, top view.
Source organism: Mamastrovirus 3
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: Capsid protein
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Multimeric state: homo dimer
Accessible surface area: 15610.79 Å2
Buried surface area: 3352.55 Å2
Dissociation area: 1,564.78 Å2
Dissociation energy (ΔGdiss): 11.7 kcal/mol
Dissociation entropy (TΔSdiss): 12.78 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-579767

Macromolecules

Capsid protein
Chains: A, B
Length: 271 amino acids
Theoretical weight: 29.75 KDa
Source organism: Mamastrovirus 3
Expression system: Escherichia coli
UniProt:
  • Canonical: W5X1V8 (Residues: 420-669; Coverage: 32%)
Pfam: Turkey astrovirus capsid protein
InterPro: Turkey astrovirus capsid protein
Capsid protein in PDB entry 7xca, assembly 1, front view.
Capsid protein in PDB entry 7xca, assembly 1, side view.
Capsid protein in PDB entry 7xca, assembly 1, top view.
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