Structure analysis

Structure of USP21 in complex with linear diubiquitin-aldehyde

X-ray diffraction
2.7Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1
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Multimeric state: hetero dimer
Accessible surface area: 21433.8 Å2
Buried surface area: 5010.31 Å2
Dissociation area: 1,797.46 Å2
Dissociation energy (ΔGdiss): 16.32 kcal/mol
Dissociation entropy (TΔSdiss): 12.58 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-143295
Assembly 2 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 21676.17 Å2
Buried surface area: 5000.71 Å2
Dissociation area: 2,078.43 Å2
Dissociation energy (ΔGdiss): 19.26 kcal/mol
Dissociation entropy (TΔSdiss): 12.89 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-143295

Macromolecules

Chains: A, E
Length: 370 amino acids
Theoretical weight: 41.74 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UK80 (Residues: 196-565; Coverage: 66%)
Gene names: PP1490, USP21, USP23
Pfam: Ubiquitin carboxyl-terminal hydrolase
InterPro:
CATH: Cysteine proteinases

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Chains: B, F
Length: 152 amino acids
Theoretical weight: 17.2 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P0CG47 (Residues: 77-228; Coverage: 66%)
Gene name: UBB
Pfam: Ubiquitin family
InterPro:
CATH: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1

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