5U8R | pdb_00005u8r

Structure of the ectodomain of the human Type 1 insulin-like growth factor receptor

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C [auth L]	d5u8rl_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth H]	d5u8rh_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d5u8ra4	All beta proteins	Immunoglobulin-like beta-sandwich	Fibronectin type III	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d5u8ra1	Alpha and beta proteins (a/b)	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	L domain-like	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d5u8ra2	Small proteins	Knottins (small inhibitors, toxins, lectins)	Growth factor receptor domain	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	L domain-like	8043994	3001010	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	L domain-like	8043995	3001010	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Growth factor receptor domain-like	8038246	3000398	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth L]	V-set	e5u8rL1	A: alpha bundles	X: Periplasmic binding protein-like II	H: Rubredoxin-related	T: Tetrapyrrole methylase C-terminal domain	F: V-set	ECOD (develop294)
B [auth H]	Glyco_transf_4	e5u8rH1	A: alpha bundles	X: Periplasmic binding protein-like II	H: Rubredoxin-related	T: Tetrapyrrole methylase C-terminal domain	F: Glyco_transf_4	ECOD (develop294)
A	V-set	e5u8rA1	A: alpha bundles	X: Periplasmic binding protein-like II	H: Rubredoxin-related	T: Tetrapyrrole methylase C-terminal domain	F: V-set	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	3.80.20.20	Alpha Beta	Alpha-Beta Horseshoe	24 nucleotide stem-loop, u2 snrnp hairpin iv. U2 a'	Chain A	CATH (utative)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
C [auth L]	Fv 24-60	V-KAPPA	Mus musculus (house mouse)	IGKV5-4301, IGKJ501	V-DOMAIN V-KAPPA	IG	FV-HEAVY_KAPPA	IMGT (202610-0)
B [auth H]	Fv 24-60	VH	Mus musculus (house mouse)	IGHV1S13701, IGHJ401	V-DOMAIN VH	IG	FV-HEAVY_KAPPA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGKV5	Kappa	insulin-like growth factor 1 receptor	SAbDab (2026-03-20)
B [auth H]	Heavy Chain	IGHV1	-	insulin-like growth factor 1 receptor	SAbDab (2026-03-20)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00757	Furin-like cysteine rich region (Furin-like)	Furin-like cysteine rich region		Domain
A	PF01030	Receptor L domain (Recep_L_domain)	Receptor L domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L]	Fv 24-60 light chain	-	-	-
B [auth H]	Fv 24-60 heavy chain	-	-	-
A	Insulin-like growth factor 1 receptor	insulin-like growth factor binding protein binding binding growth factor binding insulin receptor substrate binding peptide hormone binding hormone binding insulin binding molecular transducer activity catalytic activity, acting on a protein kinase activity protein kinase activity signaling receptor activity transferase activity insulin-like growth factor binding protein binding binding growth factor binding insulin receptor substrate binding peptide hormone binding hormone binding insulin binding molecular transducer activity catalytic activity, acting on a protein kinase activity protein kinase activity signaling receptor activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase activity protein-hormone receptor activity transmembrane receptor protein kinase activity transmembrane signaling receptor activity insulin receptor activity catalytic activity signaling receptor binding insulin receptor binding phosphatidylinositol 3-kinase binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding insulin-like growth factor receptor activity identical protein binding insulin-like growth factor I binding protein transporter activity transporter activity	cellular component disassembly regulation of biological process positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization protein-containing complex organization biological regulation positive regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly cellular component organization cellular process cellular component organization or biogenesis positive regulation of protein-containing complex disassembly cellular component disassembly regulation of biological process positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization protein-containing complex organization biological regulation positive regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly cellular component organization cellular process cellular component organization or biogenesis positive regulation of protein-containing complex disassembly positive regulation of cellular process protein phosphorylation protein autophosphorylation phosphorylation primary metabolic process peptidyl-tyrosine modification peptidyl-tyrosine autophosphorylation macromolecule modification peptidyl-amino acid modification phosphate-containing compound metabolic process metabolic process protein metabolic process macromolecule metabolic process peptidyl-tyrosine phosphorylation protein modification process phosphorus metabolic process cellular response to stimulus regulation of signaling response to stimulus signaling regulation of JNK cascade regulation of signal transduction regulation of MAPK cascade intracellular signal transduction cell communication regulation of intracellular signal transduction regulation of response to stimulus JNK cascade intracellular signaling cassette MAPK cascade regulation of cell communication signal transduction cell surface receptor signaling pathway insulin-like growth factor receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway immune response immune system process phosphatidylinositol 3-kinase/protein kinase B signal transduction negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death homeostatic process response to oxygen-containing compound cellular response to glucose stimulus intracellular glucose homeostasis cellular response to oxygen-containing compound response to hexose cellular response to carbohydrate stimulus cellular response to chemical stimulus cellular homeostasis response to monosaccharide response to carbohydrate chemical homeostasis response to glucose response to chemical glucose homeostasis carbohydrate homeostasis cellular response to hexose stimulus intracellular chemical homeostasis cellular response to monosaccharide stimulus multicellular organismal process amyloid-beta clearance positive regulation of cell communication regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signal transduction positive regulation of response to stimulus positive regulation of intracellular signal transduction positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signaling cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation adaptive thermogenesis multicellular organismal-level homeostasis regulation of cold-induced thermogenesis cold-induced thermogenesis temperature homeostasis positive regulation of cold-induced thermogenesis positive regulation of multicellular organismal process regulation of multicellular organismal process negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of cell communication negative regulation of response to stimulus negative regulation of signal transduction negative regulation of MAPK cascade positive regulation of MAPK cascade dendritic spine maintenance dendritic spine organization postsynapse organization plasma membrane bounded cell projection organization cell projection organization cellular component maintenance cell junction organization neuron projection organization synapse organization cellular response to nitrogen compound response to peptide hormone insulin receptor signaling pathway cellular response to endogenous stimulus response to hormone cellular response to hormone stimulus response to endogenous stimulus cellular response to peptide hormone stimulus response to nitrogen compound response to insulin cellular response to insulin stimulus positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion localization transport establishment of localization transcytosis vesicle-mediated transport cellular response to amyloid-beta response to amyloid-beta	protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex transferase complex cellular anatomical structure membrane receptor complex cell periphery plasma membrane protein complex plasma membrane alphav-beta3 integrin-IGF-1-IGF1R complex membrane protein complex axon protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex transferase complex cellular anatomical structure membrane receptor complex cell periphery plasma membrane protein complex plasma membrane alphav-beta3 integrin-IGF-1-IGF1R complex membrane protein complex axon cell projection neuron projection plasma membrane bounded cell projection membrane-bounded organelle organelle cilium intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle organelle lumen membraneless organelle nuclear lumen insulin receptor complex plasma membrane signaling receptor complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008266	Tyrosine-protein kinase, active site	Active Site
A	IPR020635	Tyrosine-protein kinase, catalytic domain	Domain
A	IPR000719	Protein kinase domain	Domain
A	IPR036941	Receptor L-domain superfamily	Homologous Superfamily
A	IPR006212	Furin-like repeat	Repeat
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR000494	Receptor L-domain	Domain
A	IPR017441	Protein kinase, ATP binding site	Binding Site
A	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
A	IPR002011	Tyrosine-protein kinase, receptor class II, conserved site	Conserved Site
A	IPR003961	Fibronectin type III	Domain
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR006211	Furin-like cysteine-rich domain	Domain
A	IPR009030	Growth factor receptor cysteine-rich domain superfamily	Homologous Superfamily
A	IPR050122	Receptor Tyrosine Kinase	Family
A	IPR016246	Tyrosine-protein kinase, insulin-like receptor	Family
A	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P08069	growth delay due to insulin-like growth factor I resistance Alzheimer disease adrenal cortex carcinoma peripheral nervous system disease respiratory failure skin cancer Lewy body dementia congenital diaphragmatic hernia endometrial carcinoma peripheral neuropathy atrial fibrillation juvenile idiopathic arthritis breast cancer skin neoplasm Parkinson disease growth delay due to insulin-like growth factor I resistance Alzheimer disease adrenal cortex carcinoma peripheral nervous system disease respiratory failure skin cancer Lewy body dementia congenital diaphragmatic hernia endometrial carcinoma peripheral neuropathy atrial fibrillation juvenile idiopathic arthritis breast cancer skin neoplasm Parkinson disease breast carcinoma lung disease Congenital hernia of foramen of Morgagni malignant glioma endometrial cancer endometriosis non-small cell lung carcinoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma adrenal carcinoma intellectual disability pilocytic astrocytoma astrocytic tumor primitive neuroectodermal tumor atypical teratoid rhabdoid tumor breast disease squamous cell lung carcinoma diabetes mellitus medulloblastoma oligodendroglioma genetic endocrine growth disease ovarian cancer acute myeloid leukemia pancreatic intraductal papillary-mucinous neoplasm inborn carbohydrate metabolic disorder interstitial cystitis progressive supranuclear palsy large cell medulloblastoma cancer malignant ependymoma endocrine exophthalmos fetal growth restriction osteogenesis imperfecta glioblastoma pancreatic ductal adenocarcinoma adenoma hepatocellular carcinoma Pick disease intervertebral disc degenerative disorder attention deficit hyperactivity disorder, inattentive type Silver-Russell syndrome Laron syndrome spina bifida

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.