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- PDB-7s8v: Leg region of a complex of IGF-I with the ectodomain of a hybrid ... -

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Basic information

Entry
Database: PDB / ID: 7s8v
TitleLeg region of a complex of IGF-I with the ectodomain of a hybrid insulin receptor / type 1 insulin-like growth factor receptor
Components
  • Insulin receptor
  • Insulin-like growth factor 1 receptor
KeywordsSIGNALING PROTEIN / Insulin receptor / Type 1 insulin like growth factor receptor / hybrid receptor / insulin like growth factor I / leucine zipper / cryo electron microscopy
Function / homology
Function and homology information


cardiac atrium development / negative regulation of cholangiocyte apoptotic process / positive regulation of steroid hormone biosynthetic process / protein kinase complex / insulin-like growth factor binding / Signaling by Type 1 Insulin-like Growth Factor 1 Receptor (IGF1R) / protein transporter activity / IRS-related events triggered by IGF1R / negative regulation of muscle cell apoptotic process / cellular response to progesterone stimulus ...cardiac atrium development / negative regulation of cholangiocyte apoptotic process / positive regulation of steroid hormone biosynthetic process / protein kinase complex / insulin-like growth factor binding / Signaling by Type 1 Insulin-like Growth Factor 1 Receptor (IGF1R) / protein transporter activity / IRS-related events triggered by IGF1R / negative regulation of muscle cell apoptotic process / cellular response to progesterone stimulus / positive regulation of DNA metabolic process / regulation of female gonad development / positive regulation of meiotic cell cycle / cellular response to zinc ion starvation / insulin-like growth factor II binding / positive regulation of developmental growth / cellular response to aldosterone / male sex determination / cellular response to testosterone stimulus / insulin receptor complex / transcytosis / insulin-like growth factor I binding / negative regulation of hepatocyte apoptotic process / exocrine pancreas development / positive regulation of protein-containing complex disassembly / alphav-beta3 integrin-IGF-1-IGF1R complex / response to alkaloid / regulation of JNK cascade / dendritic spine maintenance / cargo receptor activity / insulin binding / neuronal cell body membrane / adrenal gland development / PTB domain binding / cellular response to insulin-like growth factor stimulus / response to L-glutamate / Signaling by Insulin receptor / IRS activation / establishment of cell polarity / positive regulation of axon regeneration / positive regulation of osteoblast proliferation / positive regulation of cytokinesis / positive regulation of respiratory burst / amyloid-beta clearance / Respiratory syncytial virus (RSV) attachment and entry / regulation of embryonic development / positive regulation of receptor internalization / protein kinase activator activity / insulin receptor substrate binding / cellular response to angiotensin / response to vitamin E / epidermis development / G-protein alpha-subunit binding / negative regulation of MAPK cascade / positive regulation of glycogen biosynthetic process / Signal attenuation / SHC-related events triggered by IGF1R / phosphatidylinositol 3-kinase binding / transport across blood-brain barrier / peptidyl-tyrosine autophosphorylation / heart morphogenesis / activation of protein kinase B activity / estrous cycle / cellular response to transforming growth factor beta stimulus / Insulin receptor recycling / insulin-like growth factor receptor binding / dendrite membrane / T-tubule / neuron projection maintenance / positive regulation of MAP kinase activity / positive regulation of mitotic nuclear division / cerebellum development / Insulin receptor signalling cascade / receptor-mediated endocytosis / cellular response to dexamethasone stimulus / axonogenesis / insulin-like growth factor receptor signaling pathway / hippocampus development / positive regulation of glycolytic process / learning / positive regulation of D-glucose import / phosphatidylinositol 3-kinase/protein kinase B signal transduction / response to nicotine / positive regulation of smooth muscle cell proliferation / insulin receptor binding / cellular response to estradiol stimulus / placental growth factor receptor activity / cellular response to glucose stimulus / insulin receptor activity / vascular endothelial growth factor receptor activity / hepatocyte growth factor receptor activity / macrophage colony-stimulating factor receptor activity / platelet-derived growth factor alpha-receptor activity / platelet-derived growth factor beta-receptor activity / stem cell factor receptor activity / boss receptor activity / protein tyrosine kinase collagen receptor activity / brain-derived neurotrophic factor receptor activity / transmembrane-ephrin receptor activity / GPI-linked ephrin receptor activity
Similarity search - Function
Insulin receptor, trans-membrane domain / Insulin receptor trans-membrane segment / Tyrosine-protein kinase, insulin-like receptor / Tyrosine-protein kinase, receptor class II, conserved site / Receptor tyrosine kinase class II signature. / Receptor L-domain / Furin-like cysteine-rich domain / Receptor L-domain superfamily / Furin-like cysteine rich region / Receptor L domain ...Insulin receptor, trans-membrane domain / Insulin receptor trans-membrane segment / Tyrosine-protein kinase, insulin-like receptor / Tyrosine-protein kinase, receptor class II, conserved site / Receptor tyrosine kinase class II signature. / Receptor L-domain / Furin-like cysteine-rich domain / Receptor L-domain superfamily / Furin-like cysteine rich region / Receptor L domain / Furin-like repeat / Furin-like repeats / Growth factor receptor cysteine-rich domain superfamily / Fibronectin type III domain / : / Fibronectin type 3 domain / Fibronectin type-III domain profile. / Fibronectin type III / Fibronectin type III superfamily / Tyrosine-protein kinase, catalytic domain / Tyrosine kinase, catalytic domain / Tyrosine protein kinases specific active-site signature. / Tyrosine-protein kinase, active site / Serine-threonine/tyrosine-protein kinase, catalytic domain / Protein tyrosine and serine/threonine kinase / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Immunoglobulin-like fold / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily
Similarity search - Domain/homology
Insulin receptor / Insulin-like growth factor 1 receptor
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.73 Å
AuthorsXu, Y. / Lawrence, M.C.
Funding support Australia, 1items
OrganizationGrant numberCountry
National Health and Medical Research Council (NHMRC, Australia) Australia
CitationJournal: Structure / Year: 2022
Title: How insulin-like growth factor I binds to a hybrid insulin receptor type 1 insulin-like growth factor receptor.
Authors: Yibin Xu / Mai B Margetts / Hari Venugopal / John G Menting / Nicholas S Kirk / Tristan I Croll / Carlie Delaine / Briony E Forbes / Michael C Lawrence /
Abstract: Monomers of the insulin receptor and type 1 insulin-like growth factor receptor (IGF-1R) can combine stochastically to form heterodimeric hybrid receptors. These hybrid receptors display ligand ...Monomers of the insulin receptor and type 1 insulin-like growth factor receptor (IGF-1R) can combine stochastically to form heterodimeric hybrid receptors. These hybrid receptors display ligand binding and signaling properties that differ from those of the homodimeric receptors. Here, we describe the cryoelectron microscopy structure of such a hybrid receptor in complex with insulin-like growth factor I (IGF-I). The structure (ca. 3.7 Å resolution) displays a single IGF-I ligand, bound in a similar fashion to that seen for IGFs in complex with IGF-1R. The IGF-I ligand engages the first leucine-rich-repeat domain and cysteine-rich region of the IGF-1R monomer (rather than those of the insulin receptor monomer), consistent with the determinants for IGF binding residing in the IGF-1R cysteine-rich region. The structure broadens our understanding of this receptor family and assists in delineating the key structural motifs involved in binding their respective ligands.
History
DepositionSep 20, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 6, 2022Provider: repository / Type: Initial release
Revision 1.1Aug 17, 2022Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.2Oct 23, 2024Group: Data collection / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Insulin-like growth factor 1 receptor
B: Insulin receptor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)221,28810
Polymers218,7472
Non-polymers2,5418
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area6380 Å2
ΔGint32 kcal/mol
Surface area39290 Å2

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Components

#1: Protein Insulin-like growth factor 1 receptor / Insulin-like growth factor I receptor / IGF-I receptor


Mass: 108937.242 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: IGF1R / Production host: Cricetulus griseus (Chinese hamster)
References: UniProt: P08069, receptor protein-tyrosine kinase
#2: Protein Insulin receptor / IR


Mass: 109809.617 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: INSR / Production host: Cricetulus griseus (Chinese hamster)
References: UniProt: P06213, receptor protein-tyrosine kinase
#3: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#4: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}LINUCSPDB-CARE
#5: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C8H15NO6 / Feature type: SUBJECT OF INVESTIGATION
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: a complex of IGF-I with the ectodomain of a hybrid insulin receptor / type 1 insulin-like growth factor receptor
Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightValue: 250 kDa/nm / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Cricetulus griseus (Chinese hamster)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 1.44 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.17_3644: / Classification: refinement
EM software
IDNameVersionCategory
4cryoSPARC2.15.0CTF correction
11cryoSPARC2.15.0classification
12cryoSPARC2.15.03D reconstruction
13PHENIX1.17-3644model refinement
CTF correctionType: NONE
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.73 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 151240 / Symmetry type: POINT
Atomic model buildingB value: 45.7 / Protocol: RIGID BODY FIT / Space: REAL
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0036620
ELECTRON MICROSCOPYf_angle_d0.5878986
ELECTRON MICROSCOPYf_dihedral_angle_d4.802936
ELECTRON MICROSCOPYf_chiral_restr0.042989
ELECTRON MICROSCOPYf_plane_restr0.0041160

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