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- PDB-7sl6: Full-length insulin receptor bound with site 2 binding deficient ... -

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Basic information

Entry
Database: PDB / ID: 7sl6
TitleFull-length insulin receptor bound with site 2 binding deficient mutant insulin (B-L17R) -- symmetric conformation
Components
  • Insulin A chain
  • Insulin B chain
  • Insulin receptor
KeywordsSIGNALING PROTEIN/HORMONE / insulin receptor / site 1 binding deficient mutant insulin / SIGNALING PROTEIN / SIGNALING PROTEIN-HORMONE complex
Function / homology
Function and homology information


Signaling by Insulin receptor / yolk / IRS activation / Insulin receptor signalling cascade / Signal attenuation / Insulin receptor recycling / 3-phosphoinositide-dependent protein kinase binding / positive regulation of glycoprotein biosynthetic process / lipoic acid binding / regulation of female gonad development ...Signaling by Insulin receptor / yolk / IRS activation / Insulin receptor signalling cascade / Signal attenuation / Insulin receptor recycling / 3-phosphoinositide-dependent protein kinase binding / positive regulation of glycoprotein biosynthetic process / lipoic acid binding / regulation of female gonad development / regulation of hydrogen peroxide metabolic process / positive regulation of meiotic cell cycle / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / nuclear lumen / insulin-like growth factor II binding / positive regulation of developmental growth / male sex determination / exocrine pancreas development / insulin receptor complex / insulin-like growth factor I binding / insulin receptor activity / positive regulation of protein-containing complex disassembly / cargo receptor activity / dendritic spine maintenance / insulin binding / negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic process / PTB domain binding / adrenal gland development / positive regulation of nitric oxide mediated signal transduction / negative regulation of fatty acid metabolic process / negative regulation of feeding behavior / Signaling by Insulin receptor / IRS activation / Insulin processing / neuronal cell body membrane / regulation of protein secretion / positive regulation of peptide hormone secretion / positive regulation of respiratory burst / negative regulation of acute inflammatory response / Regulation of gene expression in beta cells / alpha-beta T cell activation / amyloid-beta clearance / positive regulation of receptor internalization / regulation of amino acid metabolic process / regulation of embryonic development / negative regulation of respiratory burst involved in inflammatory response / insulin receptor substrate binding / positive regulation of dendritic spine maintenance / positive regulation of glycogen biosynthetic process / Synthesis, secretion, and deacylation of Ghrelin / negative regulation of protein secretion / epidermis development / regulation of protein localization to plasma membrane / fatty acid homeostasis / negative regulation of lipid catabolic process / negative regulation of gluconeogenesis / response to tumor necrosis factor / Signal attenuation / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / COPI-mediated anterograde transport / phosphatidylinositol 3-kinase binding / positive regulation of lipid biosynthetic process / heart morphogenesis / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / positive regulation of insulin receptor signaling pathway / positive regulation of phosphorylation / nitric oxide-cGMP-mediated signaling / negative regulation of reactive oxygen species biosynthetic process / transport vesicle / positive regulation of protein autophosphorylation / Insulin receptor recycling / insulin-like growth factor receptor binding / dendrite membrane / neuron projection maintenance / positive regulation of protein metabolic process / NPAS4 regulates expression of target genes / positive regulation of brown fat cell differentiation / activation of protein kinase B activity / endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of glycolytic process / positive regulation of mitotic nuclear division / Insulin receptor signalling cascade / receptor-mediated endocytosis / response to nutrient levels / positive regulation of nitric-oxide synthase activity / negative regulation of protein phosphorylation / positive regulation of cytokine production / positive regulation of long-term synaptic potentiation / acute-phase response / endosome lumen / positive regulation of D-glucose import / Regulation of insulin secretion / negative regulation of proteolysis / positive regulation of protein secretion / positive regulation of cell differentiation / animal organ morphogenesis / regulation of transmembrane transporter activity / insulin receptor binding / wound healing
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. / Insulin / Insulin family / Insulin-like / Insulin/IGF/Relaxin family / Insulin / insulin-like growth factor / relaxin family. ...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. / Insulin / Insulin family / Insulin-like / Insulin/IGF/Relaxin family / Insulin / insulin-like growth factor / relaxin family. / Insulin, conserved site / Insulin family signature. / Insulin-like superfamily / 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 / Insulin receptor
Similarity search - Component
Biological speciesMus musculus (house mouse)
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsBai, X.C. / Choi, E.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM136976 United States
CitationJournal: Nat Struct Mol Biol / Year: 2022
Title: Synergistic activation of the insulin receptor via two distinct sites.
Authors: Jie Li / Junhee Park / John P Mayer / Kristofor J Webb / Emiko Uchikawa / Jiayi Wu / Shun Liu / Xuewu Zhang / Michael H B Stowell / Eunhee Choi / Xiao-Chen Bai /
Abstract: Insulin receptor (IR) signaling controls multiple facets of animal physiology. Maximally four insulins bind to IR at two distinct sites, termed site-1 and site-2. However, the precise functional ...Insulin receptor (IR) signaling controls multiple facets of animal physiology. Maximally four insulins bind to IR at two distinct sites, termed site-1 and site-2. However, the precise functional roles of each binding event during IR activation remain unresolved. Here, we showed that IR incompletely saturated with insulin predominantly forms an asymmetric conformation and exhibits partial activation. IR with one insulin bound adopts a Γ-shaped conformation. IR with two insulins bound assumes a Ƭ-shaped conformation. One insulin binds at site-1 and another simultaneously contacts both site-1 and site-2 in the Ƭ-shaped IR dimer. We further show that concurrent binding of four insulins to sites-1 and -2 prevents the formation of asymmetric IR and promotes the T-shaped symmetric, fully active state. Collectively, our results demonstrate how the synergistic binding of multiple insulins promotes optimal IR activation.
History
DepositionOct 22, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 30, 2022Provider: repository / Type: Initial release
Revision 1.1Apr 13, 2022Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Apr 27, 2022Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.3Nov 13, 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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Insulin receptor
B: Insulin receptor
E: Insulin B chain
F: Insulin B chain
C: Insulin A chain
D: Insulin A chain


Theoretical massNumber of molelcules
Total (without water)323,3046
Polymers323,3046
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Insulin receptor / IR


Mass: 155790.516 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Insr / Production host: Homo sapiens (human)
References: UniProt: P15208, receptor protein-tyrosine kinase
#2: Protein/peptide Insulin B chain


Mass: 3477.989 Da / Num. of mol.: 2 / Mutation: L17R
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: INS / Production host: Homo sapiens (human) / References: UniProt: P01308
#3: Protein/peptide Insulin A chain


Mass: 2383.698 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: INS / Production host: Homo sapiens (human) / References: UniProt: P01308
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: Full-length insulin receptor bound with site 2 binding deficient mutant insulin (B-L17R) -- symmetric conformation
Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Molecular weightExperimental value: NO
Buffer solutionpH: 8
SpecimenConc.: 6 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 %

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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: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2600 nm / Nominal defocus min: 1600 nm
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM software
IDNameVersionCategory
1RELIONparticle selection
2SerialEM3image acquisition
4GctfCTF correction
7Coot0.9model fitting
9PHENIX1.19model refinement
10RELIONinitial Euler assignment
11RELIONfinal Euler assignment
12RELIONclassification
13RELION3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 1704973
SymmetryPoint symmetry: C2 (2 fold cyclic)
3D reconstructionResolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 82586 / Symmetry type: POINT

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