Structure analysis

Crystal Structure of the Uba1-Ubiquitin Complex

X-ray diffraction
2.7Å resolution
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: 47600 Å2
Buried surface area: 3400 Å2
Dissociation area: 150 Å2
Dissociation energy (ΔGdiss): 1 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -12 kcal/mol
Symmetry number: 1
Assembly 2
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Multimeric state: hetero dimer
Accessible surface area: 47000 Å2
Buried surface area: 3500 Å2
Dissociation area: 100 Å2
Dissociation energy (ΔGdiss): 1 kcal/mol
Dissociation entropy (TΔSdiss): 1 kcal/mol
Interface energy (ΔGint): -14 kcal/mol
Symmetry number: 1

Macromolecules

Chains: B, D
Length: 76 amino acids
Theoretical weight: 8.57 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0CG63 (Residues: 305-380; Coverage: 20%)
Gene names: SCD2, UBI4, YLL039C
Pfam: Ubiquitin family
InterPro:
CATH: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
SCOP: Ubiquitin-related

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