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Cyclic Lys48-linked tetraubiquitin

X-ray diffraction
1.85Å resolution
PDB entry 3alb coloured by chain, front view.
PDB entry 3alb coloured by chain, side view.
PDB entry 3alb coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Ubiquitin
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Multimeric state: homo tetramer
Accessible surface area: 14108.95 Å2
Buried surface area: 5299.69 Å2
Dissociation area: 818.86 Å2
Dissociation energy (ΔGdiss): -6.35 kcal/mol
Dissociation entropy (TΔSdiss): 11.34 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-143449

Macromolecules

Ubiquitin
Chains: A, B, C, D
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
Ubiquitin in PDB entry 3alb, assembly 1, front view.
Ubiquitin in PDB entry 3alb, assembly 1, side view.
Ubiquitin in PDB entry 3alb, assembly 1, top view.
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