Function and Biology

Crystal structure of human insulin degrading enzyme (IDE) in complex with compound 71290

Source organism: Homo sapiens
Biochemical function: metal ion binding
Biological process: regulation of aerobic respiration
Cellular component: extracellular exosome

EC 3.4.24.56: Insulysin

Reaction catalysed:
Degradation of insulin, glucagon and other polypeptides. No action on proteins.
Alternative Name(s):
  • IDE
  • Insulin protease
  • Insulin proteinase
  • Insulin-degrading enzyme
  • Insulin-degrading neutral proteinase
  • Insulin-glucagon protease
  • Insulin-specific protease
  • Insulinase
  • Metalloinsulinase

Sequence families

Pfam Protein families (Pfam)
PF05193
Domain description: Peptidase M16 inactive domain
Occurring in:
  1. Insulin-degrading enzyme
The deposited structure of PDB entry 4re9 contains 4 copies of Pfam domain PF05193 (Peptidase M16 inactive domain) in Insulin-degrading enzyme. Showing 2 copies in chain A.

PF16187
Domain description: Middle or third domain of peptidase_M16
Occurring in:
  1. Insulin-degrading enzyme
The deposited structure of PDB entry 4re9 contains 2 copies of Pfam domain PF16187 (Middle or third domain of peptidase_M16) in Insulin-degrading enzyme. Showing 1 copy in chain A.

PF00675
Domain description: Insulinase (Peptidase family M16)
Occurring in:
  1. Insulin-degrading enzyme
The deposited structure of PDB entry 4re9 contains 2 copies of Pfam domain PF00675 (Insulinase (Peptidase family M16)) in Insulin-degrading enzyme. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR011249
Domain description: Metalloenzyme, LuxS/M16 peptidase-like
Occurring in:
  1. Insulin-degrading enzyme
IPR007863
Domain description: Peptidase M16, C-terminal
Occurring in:
  1. Insulin-degrading enzyme
IPR032632
Domain description: Peptidase M16, middle/third domain
Occurring in:
  1. Insulin-degrading enzyme
IPR001431
Domain description: Peptidase M16, zinc-binding site
Occurring in:
  1. Insulin-degrading enzyme
IPR011765
Domain description: Peptidase M16, N-terminal
Occurring in:
  1. Insulin-degrading enzyme

Structure domain

CATH CATH domain
3.30.830.10
Class: Alpha Beta
Architecture: 2-Layer Sandwich
Topology: Cytochrome Bc1 Complex; Chain A, domain 1
Homology: Metalloenzyme, LuxS/M16 peptidase-like
Occurring in:
  1. Insulin-degrading enzyme
The deposited structure of PDB entry 4re9 contains 8 copies of CATH domain 3.30.830.10 (Cytochrome Bc1 Complex; Chain A, domain 1) in Insulin-degrading enzyme. Showing 4 copies in chain A.