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- EMDB-27704: Cryo-EM structure of insulin receptor (IR) bound with S597 peptide -

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Basic information

Entry
Database: EMDB / ID: EMD-27704
TitleCryo-EM structure of insulin receptor (IR) bound with S597 peptide
Map dataCryo-EM map of insulin receptor (IR) bound with S597 peptide
Sample
  • Complex: Insulin receptor bound with S597 peptide
    • Protein or peptide: Insulin mimetic peptide S597
    • Protein or peptide: Insulin receptor
KeywordsInsulin receptor / S597 / SIGNALING PROTEIN
Function / homology
Function and homology information


Signaling by Insulin receptor / IRS activation / Insulin receptor signalling cascade / Signal attenuation / Insulin receptor recycling / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / regulation of female gonad development / positive regulation of meiotic cell cycle / insulin-like growth factor II binding / positive regulation of developmental growth ...Signaling by Insulin receptor / IRS activation / Insulin receptor signalling cascade / Signal attenuation / Insulin receptor recycling / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / regulation of female gonad development / positive regulation of meiotic cell cycle / insulin-like growth factor II binding / positive regulation of developmental growth / male sex determination / insulin receptor complex / insulin-like growth factor I binding / exocrine pancreas development / nuclear lumen / insulin binding / adrenal gland development / PTB domain binding / positive regulation of respiratory burst / regulation of embryonic development / positive regulation of receptor internalization / protein kinase activator activity / insulin receptor substrate binding / epidermis development / positive regulation of glycogen biosynthetic process / phosphatidylinositol 3-kinase binding / heart morphogenesis / insulin-like growth factor receptor binding / positive regulation of mitotic nuclear division / positive regulation of glycolytic process / animal organ morphogenesis / positive regulation of D-glucose import / placental growth factor receptor activity / 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 / epidermal growth factor receptor activity / fibroblast growth factor receptor activity / insulin-like growth factor receptor activity / receptor protein-tyrosine kinase / cellular response to growth factor stimulus / caveola / receptor internalization / recycling endosome membrane / male gonad development / positive regulation of nitric oxide biosynthetic process / late endosome / nuclear envelope / insulin receptor signaling pathway / glucose homeostasis / amyloid-beta binding / protein autophosphorylation / protein tyrosine kinase activity / positive regulation of canonical NF-kappaB signal transduction / lysosome / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / receptor complex / positive regulation of MAPK cascade / positive regulation of cell migration / G protein-coupled receptor signaling pathway / symbiont entry into host cell / positive regulation of cell population proliferation / protein-containing complex binding / GTP binding / positive regulation of DNA-templated transcription / ATP binding / membrane / plasma membrane
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
Biological speciesMus musculus (house mouse) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 5.4 Å
AuthorsPark J / Li J / Mayer JP / Ball KA / Wu JY / Hall C / Accili D / Stowell MHB / Bai XC / Choi E
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM136976 United States
CitationJournal: Nat Commun / Year: 2022
Title: Activation of the insulin receptor by an insulin mimetic peptide.
Authors: Junhee Park / Jie Li / John P Mayer / Kerri A Ball / Jiayi Wu / Catherine Hall / Domenico Accili / Michael H B Stowell / Xiao-Chen Bai / Eunhee Choi /
Abstract: Insulin receptor (IR) signaling defects cause a variety of metabolic diseases including diabetes. Moreover, inherited mutations of the IR cause severe insulin resistance, leading to early morbidity ...Insulin receptor (IR) signaling defects cause a variety of metabolic diseases including diabetes. Moreover, inherited mutations of the IR cause severe insulin resistance, leading to early morbidity and mortality with limited therapeutic options. A previously reported selective IR agonist without sequence homology to insulin, S597, activates IR and mimics insulin's action on glycemic control. To elucidate the mechanism of IR activation by S597, we determine cryo-EM structures of the mouse IR/S597 complex. Unlike the compact T-shaped active IR resulting from the binding of four insulins to two distinct sites, two S597 molecules induce and stabilize an extended T-shaped IR through the simultaneous binding to both the L1 domain of one protomer and the FnIII-1 domain of another. Importantly, S597 fully activates IR mutants that disrupt insulin binding or destabilize the insulin-induced compact T-shape, thus eliciting insulin-like signaling. S597 also selectively activates IR signaling among different tissues and triggers IR endocytosis in the liver. Overall, our structural and functional studies guide future efforts to develop insulin mimetics targeting insulin resistance caused by defects in insulin binding and stabilization of insulin-activated state of IR, demonstrating the potential of structure-based drug design for insulin-resistant diseases.
History
DepositionJul 25, 2022-
Header (metadata) releaseSep 7, 2022-
Map releaseSep 7, 2022-
UpdateOct 23, 2024-
Current statusOct 23, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_27704.png

Downloads & links

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Map

FileDownload / File: emd_27704.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationCryo-EM map of insulin receptor (IR) bound with S597 peptide
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 360 pix.
= 298.8 Å		0.83 Å/pix.
x 360 pix.
= 298.8 Å		0.83 Å/pix.
x 360 pix.
= 298.8 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.83 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.006
Minimum - Maximum-0.0047827708 - 0.018255085
Average (Standard dev.)0.000119500786 (±0.0010405079)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 298.8 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Insulin receptor bound with S597 peptide

EntireName: Insulin receptor bound with S597 peptide
Components
  • Complex: Insulin receptor bound with S597 peptide
    • Protein or peptide: Insulin mimetic peptide S597
    • Protein or peptide: Insulin receptor

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Supramolecule #1: Insulin receptor bound with S597 peptide

SupramoleculeName: Insulin receptor bound with S597 peptide / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Mus musculus (house mouse)

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Macromolecule #1: Insulin mimetic peptide S597

MacromoleculeName: Insulin mimetic peptide S597 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 3.789079 KDa
SequenceString:
SLEEEWAQIE CEVYGRGCPS ESFYDWFERQ L

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Macromolecule #2: Insulin receptor

MacromoleculeName: Insulin receptor / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO / EC number: receptor protein-tyrosine kinase
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 153.232578 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: HLYPGEVCPG MDIRNNLTRL HELENCSVIE GHLQILLMFK TRPEDFRDLS FPKLIMITDY LLLFRVYGLE SLKDLFPNLT VIRGSRLFF NYALVIFEMV HLKELGLYNL MNITRGSVRI EKNNELCYLA TIDWSRILDS VEDNYIVLNK DDNEECGDVC P GTAKGKTN ...String:
HLYPGEVCPG MDIRNNLTRL HELENCSVIE GHLQILLMFK TRPEDFRDLS FPKLIMITDY LLLFRVYGLE SLKDLFPNLT VIRGSRLFF NYALVIFEMV HLKELGLYNL MNITRGSVRI EKNNELCYLA TIDWSRILDS VEDNYIVLNK DDNEECGDVC P GTAKGKTN CPATVINGQF VERCWTHSHC QKVCPTICKS HGCTAEGLCC HKECLGNCSE PDDPTKCVAC RNFYLDGQCV ET CPPPYYH FQDWRCVNFS FCQDLHFKCR NSRKPGCHQY VIHNNKCIPE CPSGYTMNSS NLMCTPCLGP CPKVCQILEG EKT IDSVTS AQELRGCTVI NGSLIINIRG GNNLAAELEA NLGLIEEISG FLKIRRSYAL VSLSFFRKLH LIRGETLEIG NYSF YALDN QNLRQLWDWS KHNLTITQGK LFFHYNPKLC LSEIHKMEEV SGTKGRQERN DIALKTNGDQ ASCENELLKF SFIRT SFDK ILLRWEPYWP PDFRDLLGFM LFYKEAPYQN VTEFDGQDAC GSNSWTVVDI DPPQRSNDPK SQTPSHPGWL MRGLKP WTQ YAIFVKTLVT FSDERRTYGA KSDIIYVQTD ATNPSVPLDP ISVSNSSSQI ILKWKPPSDP NGNITHYLVY WERQAED SE LFELDYCLKG LKLPSRTWSP PFESDDSQKH NQSEYDDSAS ECCSCPKTDS QILKELEESS FRKTFEDYLH NVVFVPRP S RKRRSLEEVG NVTATTLTLP DFPNVSSTIV PTSQEEHRPF EKVVNKESLV ISGLRHFTGY RIELQACNQD SPDERCSVA AYVSARTMPE AKADDIVGPV THEIFENNVV HLMWQEPKEP NGLIVLYEVS YRRYGDEELH LCVSRKHFAL ERGCRLRGLS PGNYSVRVR ATSLAGNGSW TEPTYFYVTD YLDVPSNIAK IIIGPLIFVF LFSVVIGSIY LFLRKRQPDG PMGPLYASSN P EYLSASDV FPSSVYVPDE WEVPREKITL LRELGQGSFG MVYEGNAKDI IKGEAETRVA VKTVNESASL RERIEFLNEA SV MKGFTCH HVVRLLGVVS KGQPTLVVME LMAHGDLKSH LRSLRPDAEN NPGRPPPTLQ EMIQMTAEIA DGMAYLNAKK FVH RDLAAR NCMVAHDFTV KIGDFGMTRD IYETDYYRKG GKGLLPVRWM SPESLKDGVF TASSDMWSFG VVLWEITSLA EQPY QGLSN EQVLKFVMDG GYLDPPDNCP ERLTDLMRMC WQFNPKMRPT FLEIVNLLKD DLHPSFPEVS FFYSEENKAP ESEEL EMEF EDMENVPLDR SSHCQREEAG GREGGSSLSI KRTYDEHIPY THMNGGKKNG RVLTLPRSNP S

UniProtKB: Insulin receptor

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration6 mg/mL
BufferpH: 7.4
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.6 µm / Nominal defocus min: 1.6 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1282550
Startup modelType of model: OTHER / Details: From RELION
Final reconstructionApplied symmetry - Point group: C2 (2 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 5.4 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 152565
Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: PROJECTION MATCHING / Software - Name: RELION
Final 3D classificationSoftware - Name: RELION

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Atomic model buiding 1

RefinementProtocol: RIGID BODY FIT
Output model

PDB-8dtl:
Cryo-EM structure of insulin receptor (IR) bound with S597 peptide

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