5KQV | pdb_00005kqv

Insulin receptor ectodomain construct comprising domains L1,CR,L2, FnIII-1 and alphaCT peptide in complex with bovine insulin and FAB 83-14 (REVISED STRUCTURE)


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
FSCOP2B SuperfamilyGrowth factor receptor domain-like 8032837 3000398 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyL domain-like 8032832 3001010 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyL domain-like 8032830 3001010 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyL domain-like 8032830 3001010 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyGrowth factor receptor domain-like 8032837 3000398 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyL domain-like 8032832 3001010 SCOP2B (2022-06-29)
G [auth I]SCOP2B SuperfamilyInsulin-like 8072339 3000307 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyInsulin-like 8072339 3000307 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
Fe5kqvF1 A: gH main domainX: gH main domainH: gH main domainT: Tubulin_CF:ECOD (20:10:01)
Ee5kqvE1 A: gH main domainX: gH main domainH: gH main domainT: Tubulin_CF:ECOD (20:10:01)
J [auth Q]e5kqvQ1 A: gH main domainX: gH main domainH: gH main domainT: Tubulin_CF:ECOD (20:10:01)
De5kqvD1 A: gH main domainX: gH main domainH: gH main domainT: Tubulin_CF:ECOD (20:10:01)
I [auth P]e5kqvP1 A: gH main domainX: gH main domainH: gH main domainT: Tubulin_CF:ECOD (20:10:01)
Ce5kqvC1 A: gH main domainX: gH main domainH: gH main domainT: Tubulin_CF:ECOD (20:10:01)
G [auth I]e5kqvI1 A: gH main domainX: gH main domainH: gH main domainT: Tubulin_CF:ECOD (20:10:01)
Ae5kqvA1 A: gH main domainX: gH main domainH: gH main domainT: Tubulin_CF:ECOD (20:10:01)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
D,
J [auth Q]
Fab 83-14 L-KAPPA Mus musculus (house mouse) IGKV9-120*01, IGKJ1*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-2A_KAPPA IMGT (202609-0)
C,
I [auth P]
Fab 83-14 VH-CH1 Mus musculus (house mouse) IGHV1S56*01, IGHJ3*01, IGHG2A*01, IGHG2A*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-2A_KAPPA IMGT (202609-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
D,
J [auth Q]
Light ChainIGKV9 Kappainsulin receptor,insulin receptorSAbDab (2026-03-13)
C,
I [auth P]
Heavy ChainIGHV1 -insulin receptor,insulin receptorSAbDab (2026-03-13)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
D,
J [auth Q]
Verenafusp INSR/CD220Therapeutic SAbDab (2026-03-13)
C,
I [auth P]
Verenafusp INSR/CD220Therapeutic SAbDab (2026-03-13)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
E, F
PF00757Furin-like cysteine rich region (Furin-like)Furin-like cysteine rich regionDomain
E, F
PF01030Receptor L domain (Recep_L_domain)Receptor L domain- Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
E, F
Insulin receptor,Insulin receptor
D,
J [auth Q]
MONOCLONAL ANTIBODY FAB 83-14 - LIGHT CHAIN---
C,
I [auth P]
MONOCLONAL ANTIBODY FAB 83-14 - HEAVY CHAIN---
B,
H [auth J]
Insulin
A,
G [auth I]
Insulin

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
E, F
IPR008266Tyrosine-protein kinase, active siteActive Site
E, F
IPR020635Tyrosine-protein kinase, catalytic domainDomain
E, F
IPR000719Protein kinase domainDomain
E, F
IPR036941Receptor L-domain superfamilyHomologous Superfamily
E, F
IPR006212Furin-like repeatRepeat
E, F
IPR013783Immunoglobulin-like foldHomologous Superfamily
E, F
IPR000494Receptor L-domainDomain
E, F
IPR017441Protein kinase, ATP binding siteBinding Site
E, F
IPR001245Serine-threonine/tyrosine-protein kinase, catalytic domainDomain
E, F
IPR002011Tyrosine-protein kinase, receptor class II, conserved siteConserved Site
E, F
IPR003961Fibronectin type IIIDomain
E, F
IPR011009Protein kinase-like domain superfamilyHomologous Superfamily
E, F
IPR006211Furin-like cysteine-rich domainDomain
E, F
IPR009030Growth factor receptor cysteine-rich domain superfamilyHomologous Superfamily
E, F
IPR050122Receptor Tyrosine KinaseFamily
E, F
IPR016246Tyrosine-protein kinase, insulin-like receptorFamily
E, F
IPR040969Insulin receptor, trans-membrane domainDomain
E, F
IPR036116Fibronectin type III superfamilyHomologous Superfamily
B,
H [auth J]
IPR004825InsulinFamily
B,
H [auth J]
IPR016179Insulin-likeDomain
B,
H [auth J]
IPR022352Insulin/IGF/relaxinFamily
B,
H [auth J]
IPR022353Insulin, conserved siteConserved Site
B,
H [auth J]
IPR036438Insulin-like superfamilyHomologous Superfamily
A,
G [auth I]
IPR004825InsulinFamily
A,
G [auth I]
IPR016179Insulin-likeDomain
A,
G [auth I]
IPR022352Insulin/IGF/relaxinFamily
A,
G [auth I]
IPR022353Insulin, conserved siteConserved Site
A,
G [auth I]
IPR036438Insulin-like superfamilyHomologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
E, F
PharosP06213