6eds

X-ray diffraction
3.18Å resolution

Structure of Cysteine-free Human Insulin-Degrading Enzyme in complex with Glucagon and Substrate-selective Macrocyclic Inhibitor 63

Released:

Function and Biology Details

Reaction catalysed:
Degradation of insulin, glucagon and other polypeptides. No action on proteins.
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-134155 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Insulin-degrading enzyme Chains: A, B
Molecule details ›
Chains: A, B
Length: 978 amino acids
Theoretical weight: 113.19 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P14735 (Residues: 42-1019; Coverage: 96%)
Gene name: IDE
Sequence domains:
Structure domains: Metalloenzyme, LuxS/M16 peptidase-like
Glucagon Chains: C, D
Molecule details ›
Chains: C, D
Length: 29 amino acids
Theoretical weight: 3.49 KDa
Source organism: Homo sapiens
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P01275 (Residues: 53-81; Coverage: 18%)
Gene name: GCG
Sequence domains: Peptide hormone

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS-II BEAMLINE 17-ID-2
Spacegroup: P65
Unit cell:
a: 263.119Å b: 263.119Å c: 90.322Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.179 0.177 0.222
Expression systems:
  • Escherichia coli BL21(DE3)
  • Saccharomyces cerevisiae