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- EMDB-13385: Low resolution Cryo-EM structure of full-length insulin receptor ... -
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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-13385 | |||||||||
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Title | Low resolution Cryo-EM structure of full-length insulin receptor bound to 3 insulin with visible ddm micelle, conf 1 | |||||||||
![]() | DDM solubilised full-length human insulin receptor with three insulins bound with visible detergent micelle. | |||||||||
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![]() | Insulin / Receptor / Complex / MEMBRANE PROTEIN | |||||||||
Function / homology | ![]() 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 / positive regulation of protein-containing complex disassembly / exocrine pancreas development / dendritic spine maintenance ...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 / positive regulation of protein-containing complex disassembly / exocrine pancreas development / dendritic spine maintenance / cargo receptor activity / insulin binding / adrenal gland development / neuronal cell body membrane / negative regulation of glycogen catabolic process / PTB domain binding / positive regulation of nitric oxide mediated signal transduction / negative regulation of feeding behavior / negative regulation of fatty acid metabolic process / Signaling by Insulin receptor / IRS activation / Insulin processing / regulation of protein secretion / positive regulation of peptide hormone secretion / positive regulation of respiratory burst / amyloid-beta clearance / Regulation of gene expression in beta cells / negative regulation of acute inflammatory response / alpha-beta T cell activation / regulation of embryonic development / positive regulation of receptor internalization / insulin receptor substrate binding / protein kinase activator activity / positive regulation of dendritic spine maintenance / Synthesis, secretion, and deacylation of Ghrelin / negative regulation of respiratory burst involved in inflammatory response / epidermis development / negative regulation of protein secretion / activation of protein kinase B activity / negative regulation of gluconeogenesis / positive regulation of insulin receptor signaling pathway / positive regulation of glycogen biosynthetic process / fatty acid homeostasis / Signal attenuation / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / negative regulation of lipid catabolic process / insulin receptor activity / heart morphogenesis / positive regulation of lipid biosynthetic process / transport across blood-brain barrier / regulation of protein localization to plasma membrane / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / phosphatidylinositol 3-kinase binding / transport vesicle / nitric oxide-cGMP-mediated signaling / COPI-mediated anterograde transport / positive regulation of nitric-oxide synthase activity / Insulin receptor recycling / negative regulation of reactive oxygen species biosynthetic process / insulin-like growth factor receptor binding / positive regulation of brown fat cell differentiation / NPAS4 regulates expression of target genes / dendrite membrane / endoplasmic reticulum-Golgi intermediate compartment membrane / neuron projection maintenance / positive regulation of mitotic nuclear division / Insulin receptor signalling cascade / receptor-mediated endocytosis / positive regulation of glycolytic process / positive regulation of cytokine production / positive regulation of long-term synaptic potentiation / endosome lumen / acute-phase response / positive regulation of protein secretion / positive regulation of D-glucose import / learning / insulin receptor binding / positive regulation of cell differentiation / Regulation of insulin secretion / wound healing / receptor protein-tyrosine kinase / negative regulation of protein catabolic process / hormone activity / positive regulation of neuron projection development / regulation of synaptic plasticity / caveola / cellular response to growth factor stimulus / receptor internalization / positive regulation of protein localization to nucleus / Golgi lumen / cognition / memory / cellular response to insulin stimulus / glucose metabolic process / male gonad development / positive regulation of nitric oxide biosynthetic process / vasodilation / late endosome / insulin receptor signaling pathway / glucose homeostasis Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 7.6 Å | |||||||||
![]() | Nielsen JA / Slaaby R | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural Investigations of Full-Length Insulin Receptor Dynamics and Signalling. Authors: Jeppe Nielsen / Jakob Brandt / Thomas Boesen / Tina Hummelshøj / Rita Slaaby / Gerd Schluckebier / Poul Nissen / ![]() Abstract: Insulin regulates glucose homeostasis via binding and activation of the insulin receptor dimer at two distinct pairs of binding sites 1 and 2. Here, we present cryo-EM studies of full-length human ...Insulin regulates glucose homeostasis via binding and activation of the insulin receptor dimer at two distinct pairs of binding sites 1 and 2. Here, we present cryo-EM studies of full-length human insulin receptor (hIR) in an active state obtained at non-saturating, physiologically relevant insulin conditions. Insulin binds asymmetrically to the receptor under these conditions, occupying up to three of the four possible binding sites. Deletion analysis of the receptor together with site specific peptides and insulin analogs used in binding studies show that both sites 1 and 2 are required for high insulin affinity. We identify a homotypic interaction of the fibronectin type III domain (FnIII-3) of IR resulting in tight interaction of membrane proximal domains of the active, asymmetric receptor dimer. Our results show how insulin binding at two distinct types of sites disrupts the autoinhibited apo-IR dimer and stabilizes the active dimer. We propose an insulin binding and activation mechanism, which is sequential, exhibits negative cooperativity, and is based on asymmetry at physiological insulin concentrations with one to three insulin molecules activating IR. | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 142.8 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 18.9 KB 18.9 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 19.2 KB | Display | ![]() |
Images | ![]() | 75.9 KB | ||
Masks | ![]() | 282.6 MB | ![]() | |
Filedesc metadata | ![]() | 6.4 KB | ||
Others | ![]() ![]() | 261.8 MB 261.8 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 22.7 KB | Display | |
Data in CIF | ![]() | 30.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7pg0MC ![]() 7pg2C ![]() 7pg3C ![]() 7pg4C M: atomic model generated by this map C: citing same article ( |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | DDM solubilised full-length human insulin receptor with three insulins bound with visible detergent micelle. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.0898 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Mask #1
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Density Histograms |
-Half map: #2
File | emd_13385_half_map_1.map | ||||||||||||
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Density Histograms |
-Half map: #1
File | emd_13385_half_map_2.map | ||||||||||||
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Density Histograms |
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Sample components
-Entire : DDM solubilised full-length human insulin receptor with three ins...
Entire | Name: DDM solubilised full-length human insulin receptor with three insulins bound |
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Components |
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-Supramolecule #1: DDM solubilised full-length human insulin receptor with three ins...
Supramolecule | Name: DDM solubilised full-length human insulin receptor with three insulins bound type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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Molecular weight | Theoretical: 460 KDa |
-Macromolecule #1: Isoform Short of Insulin receptor
Macromolecule | Name: Isoform Short of Insulin receptor / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO / EC number: receptor protein-tyrosine kinase |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 156.697578 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MATGGRRGAA AAPLLVAVAA LLLGAAGHLY PGEVCPGMDI RNNLTRLHEL ENCSVIEGHL QILLMFKTRP EDFRDLSFPK LIMITDYLL LFRVYGLESL KDLFPNLTVI RGSRLFFNYA LVIFEMVHLK ELGLYNLMNI TRGSVRIEKN NELCYLATID W SRILDSVE ...String: MATGGRRGAA AAPLLVAVAA LLLGAAGHLY PGEVCPGMDI RNNLTRLHEL ENCSVIEGHL QILLMFKTRP EDFRDLSFPK LIMITDYLL LFRVYGLESL KDLFPNLTVI RGSRLFFNYA LVIFEMVHLK ELGLYNLMNI TRGSVRIEKN NELCYLATID W SRILDSVE DNYIVLNKDD NEECGDICPG TAKGKTNCPA TVINGQFVER CWTHSHCQKV CPTICKSHGC TAEGLCCHSE CL GNCSQPD DPTKCVACRN FYLDGRCVET CPPPYYHFQD WRCVNFSFCQ DLHHKCKNSR RQGCHQYVIH NNKCIPECPS GYT MNSSNL LCTPCLGPCP KVCHLLEGEK TIDSVTSAQE LRGCTVINGS LIINIRGGNN LAAELEANLG LIEEISGYLK IRRS YALVS LSFFRKLRLI RGETLEIGNY SFYALDNQNL RQLWDWSKHN LTITQGKLFF HYNPKLCLSE IHKMEEVSGT KGRQE RNDI ALKTNGDQAS CENELLKFSY IRTSFDKILL RWEPYWPPDF RDLLGFMLFY KEAPYQNVTE FDGQDACGSN SWTVVD IDP PLRSNDPKSQ NHPGWLMRGL KPWTQYAIFV KTLVTFSDER RTYGAKSDII YVQTDATNPS VPLDPISVSN SSSQIIL KW KPPSDPNGNI THYLVFWERQ AEDSELFELD YCLKGLKLPS RTWSPPFESE DSQKHNQSEY EDSAGECCSC PKTDSQIL K ELEESSFRKT FEDYLHNVVF VPRPSRKRRS LGDVGNVTVA VPTVAAFPNT SSTSVPTSPE EHRPFEKVVN KESLVISGL RHFTGYRIEL QACNQDTPEE RCSVAAYVSA RTMPEAKADD IVGPVTHEIF ENNVVHLMWQ EPKEPNGLIV LYEVSYRRYG DEELHLCVS RKHFALERGC RLRGLSPGNY SVRIRATSLA GNGSWTEPTY FYVTDYLDVP SNIAKIIIGP LIFVFLFSVV I GSIYLFLR KRQPDGPLGP LYASSNPEYL SASDVFPCSV YVPDEWEVSR EKITLLRELG QGSFGMVYEG NARDIIKGEA ET RVAVKTV NESASLRERI EFLNEASVMK GFTCHHVVRL LGVVSKGQPT LVVMELMAHG DLKSYLRSLR PEAENNPGRP PPT LQEMIQ MAAEIADGMA YLNAKKFVHR DLAARNCMVA HDFTVKIGDF GMTRDIYETD YYRKGGKGLL PVRWMAPESL KDGV FTTSS DMWSFGVVLW EITSLAEQPY QGLSNEQVLK FVMDGGYLDQ PDNCPERVTD LMRMCWQFNP KMRPTFLEIV NLLKD DLHP SFPEVSFFHS EENKAPESEE LEMEFEDMEN VPLDRSSHCQ REEAGGRDGG SSLGFKRSYE EHIPYTHMNG GKKNGR ILT LPRSNPSEDQ VDPRLIDGK UniProtKB: Insulin receptor |
-Macromolecule #2: Insulin
Macromolecule | Name: Insulin / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 2.383698 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: GIVEQCCTSI CSLYQLENYC N UniProtKB: Insulin |
-Macromolecule #3: Insulin
Macromolecule | Name: Insulin / type: protein_or_peptide / ID: 3 / Number of copies: 3 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 3.433953 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: FVNQHLCGSH LVEALYLVCG ERGFFYTPKT UniProtKB: Insulin |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 4.0 mg/mL | ||||||||||||
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Buffer | pH: 7.8 Component:
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Grid | Model: C-flat-2/2 / Material: COPPER / Support film - Material: CARBON / Support film - topology: HOLEY ARRAY / Pretreatment - Type: GLOW DISCHARGE | ||||||||||||
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 297 K / Instrument: LEICA EM GP / Details: Blotted for 3s prior to plunging. |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average exposure time: 15.0 sec. / Average electron dose: 60.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.5 µm |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
Refinement | Protocol: FLEXIBLE FIT |
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Output model | ![]() PDB-7pg0: |