Structure analysis

Structural and thermodynamic characterization of cadherin-beta-catenin-alpha-catenin complex formation

X-ray diffraction
2.8Å resolution
Source organism: Mus musculus
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 14867.76 Å2
Buried surface area: 4440.1 Å2
Dissociation area: 2,220.05 Å2
Dissociation energy (ΔGdiss): 30.05 kcal/mol
Dissociation entropy (TΔSdiss): 11.41 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-169700
Assembly 2
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Multimeric state: hetero dimer
Accessible surface area: 14616.97 Å2
Buried surface area: 4155.09 Å2
Dissociation area: 2,077.55 Å2
Dissociation energy (ΔGdiss): 29.09 kcal/mol
Dissociation entropy (TΔSdiss): 11.5 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-169700

Macromolecules

Chains: A, C
Length: 248 amino acids
Theoretical weight: 27.35 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q61301 (Residues: 18-264; Coverage: 26%)
Gene names: Catna2, Ctnna2
Pfam: Vinculin family
InterPro:
CATH: Alpha-catenin/vinculin-like

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Chains: B, D
Length: 88 amino acids
Theoretical weight: 9.91 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q02248 (Residues: 78-151; Coverage: 10%)
Gene names: Catnb, Ctnnb1
InterPro: Beta-catenin
CATH: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

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