5CJO | pdb_00005cjo

Crystal Structure Analysis of Elbow-Engineered-Fab-Bound Human Insulin Degrading Enzyme (IDE) in Complex with Insulin


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth H]ubiquitine5cjoH1 A: alpha bundlesX: Rossmann-likeH: RIFT-relatedT: acid proteaseF: ubiquitinECOD (develop294)
C [auth L]ubiquitine5cjoL1 A: alpha bundlesX: Rossmann-likeH: RIFT-relatedT: acid proteaseF: ubiquitinECOD (develop294)
Aubiquitine5cjoA1 A: alpha bundlesX: Rossmann-likeH: RIFT-relatedT: acid proteaseF: ubiquitinECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A3.30.830.10 Alpha Beta 2-Layer Sandwich Cytochrome Bc1 Complex Chain A, domain 1CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B [auth H]Elbow engineered Fab VH-CH1 Mus musculus (house mouse) IGHV5-6-3*01, IGHV5-17*01, IGHV5-12-1*01, IGHV5-9-3*01, IGHJ3*01, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
C [auth L]Elbow engineered Fab L-KAPPA Mus musculus (house mouse) IGKV10-94*01, IGKV10-94*03, IGKV10-94*04, IGKV10-94*06, IGKV10-94*05, IGKV10-94*08, IGKJ1*01, IGKJ2*01, IGKJ2*03, IGKJ4*01, IGKJ4*02, IGKC*03 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H]Heavy ChainIGHV3 -insulinSAbDab (2026-03-20)
C [auth L]Light ChainIGKV1 KappainsulinSAbDab (2026-03-20)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF05193Peptidase M16 inactive domain (Peptidase_M16_C)Peptidase M16 inactive domainPeptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. Domain
PF16187Middle or third domain of peptidase_M16 (Peptidase_M16_M)Middle or third domain of peptidase_M16- Family
PF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B [auth H]FAB Heavy chain with engineered elbow---
D [auth a]Insulin
C [auth L]FAB light chain---
Insulin-degrading enzyme

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
D [auth a]PharosP01308
PharosP14735