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Crystal structure of a hemagglutinin component (HA1) from type C Clostridium botulinum

X-ray diffraction
1.7Å resolution
PDB entry 1qxm coloured by chain, front view.
PDB entry 1qxm coloured by chain, side view.
PDB entry 1qxm coloured by chain, top view.
Source organism: Clostridium botulinum D phage
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: Main hemagglutinin component type D
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Multimeric state: homo dimer
Accessible surface area: 22473.95 Å2
Buried surface area: 4027.63 Å2
Dissociation area: 1,349.82 Å2
Dissociation energy (ΔGdiss): -1.87 kcal/mol
Dissociation entropy (TΔSdiss): 13.64 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-144106

Macromolecules

Main hemagglutinin component type D
Chains: A, B
Length: 300 amino acids
Theoretical weight: 35.55 KDa
Source organism: Clostridium botulinum D phage
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0DPR1 (Residues: 1-286; Coverage: 100%)
Gene names: antP-33, ha-33, ha1
Pfam: Ricin-type beta-trefoil lectin domain-like
InterPro:
CATH: Trefoil (Acidic Fibroblast Growth Factor, subunit A)
SCOP: Ricin B-like
Main hemagglutinin component type D in PDB entry 1qxm, assembly 1, front view.
Main hemagglutinin component type D in PDB entry 1qxm, assembly 1, side view.
Main hemagglutinin component type D in PDB entry 1qxm, assembly 1, top view.
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