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Yorodumi- EMDB-26364: Head region of insulin receptor ectodomain (A-isoform) bound to t... -
+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-26364 | |||||||||
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Title | Head region of insulin receptor ectodomain (A-isoform) bound to the non-insulin agonist IM462 | |||||||||
Map data | Half-map 2 of head region of insulin receptor, leucine-zippered form, bound to insulin receptor peptide IM462 | |||||||||
Sample |
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Function / homology | Function and homology information negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic process / regulation of cellular amino acid metabolic process / Signaling by Insulin receptor / IRS activation / nitric oxide-cGMP-mediated signaling / Insulin processing / negative regulation of fatty acid metabolic process / negative regulation of feeding behavior / regulation of protein secretion ...negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic process / regulation of cellular amino acid metabolic process / Signaling by Insulin receptor / IRS activation / nitric oxide-cGMP-mediated signaling / Insulin processing / negative regulation of fatty acid metabolic process / negative regulation of feeding behavior / regulation of protein secretion / positive regulation of peptide hormone secretion / positive regulation of respiratory burst / Regulation of gene expression in beta cells / negative regulation of acute inflammatory response / alpha-beta T cell activation / negative regulation of respiratory burst involved in inflammatory response / positive regulation of dendritic spine maintenance / Synthesis, secretion, and deacylation of Ghrelin / positive regulation of glycogen biosynthetic process / negative regulation of protein secretion / Signal attenuation / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / negative regulation of gluconeogenesis / positive regulation of nitric oxide mediated signal transduction / fatty acid homeostasis / regulation of protein localization to plasma membrane / COPI-mediated anterograde transport / negative regulation of lipid catabolic process / positive regulation of lipid biosynthetic process / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / positive regulation of insulin receptor signaling pathway / negative regulation of reactive oxygen species biosynthetic process / transport vesicle / positive regulation of protein autophosphorylation / Insulin receptor recycling / insulin-like growth factor receptor binding / NPAS4 regulates expression of target genes / positive regulation of protein metabolic process / neuron projection maintenance / positive regulation of brown fat cell differentiation / endoplasmic reticulum-Golgi intermediate compartment membrane / activation of protein kinase B activity / positive regulation of glycolytic process / Insulin receptor signalling cascade / positive regulation of mitotic nuclear division / Regulation of insulin secretion / positive regulation of long-term synaptic potentiation / endosome lumen / positive regulation of cytokine production / acute-phase response / positive regulation of protein secretion / positive regulation of nitric-oxide synthase activity / regulation of transmembrane transporter activity / positive regulation of cell differentiation / positive regulation of glucose import / negative regulation of proteolysis / regulation of synaptic plasticity / wound healing / insulin receptor binding / hormone activity / negative regulation of protein catabolic process / receptor protein-tyrosine kinase / cognition / positive regulation of neuron projection development / Golgi lumen / positive regulation of protein localization to nucleus / vasodilation / glucose metabolic process / regulation of protein localization / glucose homeostasis / cell-cell signaling / insulin receptor signaling pathway / positive regulation of NF-kappaB transcription factor activity / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / positive regulation of cell growth / secretory granule lumen / protease binding / positive regulation of MAPK cascade / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / positive regulation of cell migration / G protein-coupled receptor signaling pathway / Amyloid fiber formation / endoplasmic reticulum lumen / Golgi membrane / negative regulation of gene expression / positive regulation of cell population proliferation / positive regulation of gene expression / regulation of DNA-templated transcription / extracellular space / extracellular region / identical protein binding Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) / synthetic construct (others) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.0 Å | |||||||||
Authors | Kirk NS / Lawrence MC | |||||||||
Funding support | United States, 1 items
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Citation | Journal: Nat Commun / Year: 2022 Title: Activation of the human insulin receptor by non-insulin-related peptides. Authors: Nicholas S Kirk / Qi Chen / Yingzhe Ginger Wu / Anastasia L Asante / Haitao Hu / Juan F Espinosa / Francisco Martínez-Olid / Mai B Margetts / Faiz A Mohammed / Vladislav V Kiselyov / David ...Authors: Nicholas S Kirk / Qi Chen / Yingzhe Ginger Wu / Anastasia L Asante / Haitao Hu / Juan F Espinosa / Francisco Martínez-Olid / Mai B Margetts / Faiz A Mohammed / Vladislav V Kiselyov / David G Barrett / Michael C Lawrence / Abstract: The human insulin receptor signalling system plays a critical role in glucose homeostasis. Insulin binding brings about extensive conformational change in the receptor extracellular region that in ...The human insulin receptor signalling system plays a critical role in glucose homeostasis. Insulin binding brings about extensive conformational change in the receptor extracellular region that in turn effects trans-activation of the intracellular tyrosine kinase domains and downstream signalling. Of particular therapeutic interest is whether insulin receptor signalling can be replicated by molecules other than insulin. Here, we present single-particle cryoEM structures that show how a 33-mer polypeptide unrelated to insulin can cross-link two sites on the receptor surface and direct the receptor into a signalling-active conformation. The 33-mer polypeptide engages the receptor by two helical binding motifs that are each potentially mimicable by small molecules. The resultant conformation of the receptor is distinct from-but related to-those in extant three-dimensional structures of the insulin-complexed receptor. Our findings thus illuminate unexplored pathways for controlling the signalling of the insulin receptor as well as opportunities for development of insulin mimetics. | |||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_26364.map.gz | 5.5 MB | EMDB map data format | |
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Header (meta data) | emd-26364-v30.xml emd-26364.xml | 17.8 KB 17.8 KB | Display Display | EMDB header |
Images | emd_26364.png | 75.1 KB | ||
Others | emd_26364_half_map_1.map.gz emd_26364_half_map_2.map.gz | 71.3 MB 71.4 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-26364 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-26364 | HTTPS FTP |
-Related structure data
Related structure data | 7u6eMC 7u6dC 8di2C C: citing same article (ref.) M: atomic model generated by this map |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_26364.map.gz / Format: CCP4 / Size: 91.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||
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Annotation | Half-map 2 of head region of insulin receptor, leucine-zippered form, bound to insulin receptor peptide IM462 | ||||||||||||||||||||
Voxel size | X=Y=Z: 1.41333 Å | ||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: Half-map 1 of head region of insulin receptor,...
File | emd_26364_half_map_1.map | ||||||||||||
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Annotation | Half-map 1 of head region of insulin receptor, leucine-zippered form, bound to insulin receptor peptide IM462 | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half-map 1 of head region of insulin receptor,...
File | emd_26364_half_map_2.map | ||||||||||||
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Annotation | Half-map 1 of head region of insulin receptor, leucine-zippered form, bound to insulin receptor peptide IM462 | ||||||||||||
Projections & Slices |
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Density Histograms |
-Sample components
-Entire : Complex of IM462 with insulin and Fv 83-7 bound to insulin recept...
Entire | Name: Complex of IM462 with insulin and Fv 83-7 bound to insulin receptor, delta beta, leucine zippered form |
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Components |
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-Supramolecule #1: Complex of IM462 with insulin and Fv 83-7 bound to insulin recept...
Supramolecule | Name: Complex of IM462 with insulin and Fv 83-7 bound to insulin receptor, delta beta, leucine zippered form type: complex / Chimera: Yes / ID: 1 / Parent: 0 / Macromolecule list: #1-#4 |
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Source (natural) | Organism: Homo sapiens (human) |
-Macromolecule #1: Insulin A chain
Macromolecule | Name: Insulin A chain / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 2.383698 KDa |
Recombinant expression | Organism: Saccharomyces cerevisiae (brewer's yeast) |
Sequence | String: GIVEQCCTSI CSLYQLENYC N |
-Macromolecule #2: Insulin B chain
Macromolecule | Name: Insulin B chain / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 3.433953 KDa |
Recombinant expression | Organism: Saccharomyces cerevisiae (brewer's yeast) |
Sequence | String: FVNQHLCGSH LVEALYLVCG ERGFFYTPKT |
-Macromolecule #3: Isoform Short of Insulin receptor
Macromolecule | Name: Isoform Short of Insulin receptor / type: protein_or_peptide / ID: 3 / Details: delta beta construct, leucine-zippered form / Number of copies: 2 / Enantiomer: LEVO / EC number: receptor protein-tyrosine kinase |
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Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 106.728211 KDa |
Recombinant expression | Organism: Cricetulus griseus (Chinese hamster) |
Sequence | String: HLYPGEVCPG MDIRNNLTRL HELENCSVIE GHLQILLMFK TRPEDFRDLS FPKLIMITDY LLLFRVYGLE SLKDLFPNLT VIRGSRLFF NYALVIFEMV HLKELGLYNL MNITRGSVRI EKNNELCYLA TIDWSRILDS VEDNHIVLNK DDNEECGDIC P GTAKGKTN ...String: HLYPGEVCPG MDIRNNLTRL HELENCSVIE GHLQILLMFK TRPEDFRDLS FPKLIMITDY LLLFRVYGLE SLKDLFPNLT VIRGSRLFF NYALVIFEMV HLKELGLYNL MNITRGSVRI EKNNELCYLA TIDWSRILDS VEDNHIVLNK DDNEECGDIC P GTAKGKTN CPATVINGQF VERCWTHSHC QKVCPTICKS HGCTAEGLCC HSECLGNCSQ PDDPTKCVAC RNFYLDGRCV ET CPPPYYH FQDWRCVNFS FCQDLHHKCK NSRRQGCHQY VIHNNKCIPE CPSGYTMNSS NLLCTPCLGP CPKVCHLLEG EKT IDSVTS AQELRGCTVI NGSLIINIRG GNNLAAELEA NLGLIEEISG YLKIRRSYAL VSLSFFRKLR LIRGETLEIG NYSF YALDN QNLRQLWDWS KHNLTTTQGK LFFHYNPKLC LSEIHKMEEV SGTKGRQERN DIALKTNGDK ASCENELLKF SYIRT SFDK ILLRWEPYWP PDFRDLLGFM LFYKEAPYQN VTEFDGQDAC GSNSWTVVDI DPPLRSNDPK SQNHPGWLMR GLKPWT QYA IFVKTLVTFS DERRTYGAKS DIIYVQTDAT NPSVPLDPIS VSNSSSQIIL KWKPPSDPNG NITHYLVFWE RQAEDSE LF ELDYCLKGLK LPSRTWSPPF ESEDSQKHNQ SEYEDSAGEC CSCPKTDSQI LKELEESSFR KTFEDYLHNV VFVPRPSR K RRSLGDVGNA GNNEEHRPFE KVVNKESLVI SGLRHFTGYR IELQACNQDT PEERCSVAAY VSARTMPEAK ADDIVGPVT HEIFENNVVH LMWQEPKEPN GLIVLYEVSY RRYGDEELHL CVSRKHFALE RGCRLRGLSP GNYSVRIRAT SLAGNGSWTE PTYFYVTDY LDVPSNIARM KQLEDKVEEL LSKNYHLENE VARLKKLVGE R |
-Macromolecule #4: IM462
Macromolecule | Name: IM462 / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO |
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Source (natural) | Organism: synthetic construct (others) |
Molecular weight | Theoretical: 2.644862 KDa |
Sequence | String: (HY1)SLEEEWAQI ECEVYGRCPP SES |
-Macromolecule #6: 2-acetamido-2-deoxy-beta-D-glucopyranose
Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 6 / Number of copies: 6 / Formula: NAG |
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Molecular weight | Theoretical: 221.208 Da |
Chemical component information | ChemComp-NAG: |
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 8 |
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Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.5 µm |
Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 60.0 e/Å2 |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
-Image processing
Initial angle assignment | Type: MAXIMUM LIKELIHOOD |
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Final angle assignment | Type: MAXIMUM LIKELIHOOD |
Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.0 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 346000 |