Structure analysis

Crystal structure of K11-linked diubiquitin

X-ray diffraction
2.2Å resolution
Source organism: Homo sapiens
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: homo tetramer
Accessible surface area: 16182.72 Å2
Buried surface area: 4509.07 Å2
Dissociation area: 1,623.81 Å2
Dissociation energy (ΔGdiss): -35.26 kcal/mol
Dissociation entropy (TΔSdiss): 32.39 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-143449
Assembly 2
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Multimeric state: homo tetramer
Accessible surface area: 16292.43 Å2
Buried surface area: 3559.88 Å2
Dissociation area: 1,291.6 Å2
Dissociation energy (ΔGdiss): -31.76 kcal/mol
Dissociation entropy (TΔSdiss): 32.24 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-143449
Assembly 3
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Multimeric state: homo tetramer
Accessible surface area: 13643.9 Å2
Buried surface area: 7177.37 Å2
Dissociation area: 2,981.78 Å2
Dissociation energy (ΔGdiss): -17.62 kcal/mol
Dissociation entropy (TΔSdiss): 32.31 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-143449

Macromolecules

Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 76 amino acids
Theoretical weight: 8.58 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P0CG48 (Residues: 609-684; Coverage: 11%)
Gene name: UBC
Pfam: Ubiquitin family
InterPro:
CATH: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1

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