Structure analysis

Crystal structure of Zn-bound human insulin-degrading enzyme in complex with insulin B chain

X-ray diffraction
2.25Å resolution
Source organism: Homo sapiens
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: 38391.56 Å2
Buried surface area: 2381.58 Å2
Dissociation area: 1,000.02 Å2
Dissociation energy (ΔGdiss): 27.57 kcal/mol
Dissociation entropy (TΔSdiss): 8.52 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-134207
Assembly 2
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Multimeric state: hetero dimer
Accessible surface area: 38190.93 Å2
Buried surface area: 2422.85 Å2
Dissociation area: 1,020.61 Å2
Dissociation energy (ΔGdiss): 24.58 kcal/mol
Dissociation entropy (TΔSdiss): 8.38 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-134207

Macromolecules

Chains: A, B
Length: 990 amino acids
Theoretical weight: 114.72 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P14735 (Residues: 42-1019; Coverage: 96%)
Gene name: IDE
Pfam:
InterPro:
CATH: Metalloenzyme, LuxS/M16 peptidase-like

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Chains: C, D
Length: 30 amino acids
Theoretical weight: 3.43 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P01308 (Residues: 25-54; Coverage: 35%)
Gene name: INS
Pfam: Insulin/IGF/Relaxin family
InterPro:

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