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Solution Structure of SUMO-1 in Complex with a SUMO-binding Motif (SBM)

Solution NMR
PDB entry 2asq coloured by chain, ensemble of 10 models, front view.
PDB entry 2asq coloured by chain, ensemble of 10 models, side view.
PDB entry 2asq coloured by chain, ensemble of 10 models, top view.
Source organism: Homo sapiens
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Small ubiquitin-related modifier 1 and E3 SUMO-protein ligase PIAS2
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Multimeric state: hetero dimer
Accessible surface area: 5701.47 Å2
Buried surface area: 1291.74 Å2
Dissociation area: 645.87 Å2
Dissociation energy (ΔGdiss): 2.54 kcal/mol
Dissociation entropy (TΔSdiss): 8.02 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-131179

Macromolecules

Small ubiquitin-related modifier 1
Chain: A
Length: 97 amino acids
Theoretical weight: 11.15 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P63165 (Residues: 1-97; Coverage: 96%)
Gene names: OK/SW-cl.43, SMT3C, SMT3H3, SUMO1, UBL1
Pfam: Ubiquitin-2 like Rad60 SUMO-like
InterPro:
CATH: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
SCOP: Ubiquitin-related
Small ubiquitin-related modifier 1 in PDB entry 2asq, assembly 1, front view.
Small ubiquitin-related modifier 1 in PDB entry 2asq, assembly 1, side view.
Small ubiquitin-related modifier 1 in PDB entry 2asq, assembly 1, top view.
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E3 SUMO-protein ligase PIAS2
Chain: B
Length: 25 amino acids
Theoretical weight: 2.84 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O75928 (Residues: 466-488; Coverage: 4%)
Gene names: PIAS2, PIASX
E3 SUMO-protein ligase PIAS2 in PDB entry 2asq, assembly 1, front view.
E3 SUMO-protein ligase PIAS2 in PDB entry 2asq, assembly 1, side view.
E3 SUMO-protein ligase PIAS2 in PDB entry 2asq, assembly 1, top view.
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