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- PDB-6vwj: Leg region of the closed conformation of the human type 1 insulin... -

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Basic information

Entry
Database: PDB / ID: 6vwj
TitleLeg region of the closed conformation of the human type 1 insulin-like growth factor receptor ectodomain in complex with human insulin-like growth factor II
ComponentsLeucine-zippered human type 1 insulin-like growth factor receptor ectodomain
KeywordsSIGNALING PROTEIN / Type 1 insulin-like growth factor receptor / Insulin-like growth factor II / ectodomain receptor / tyrosine kinase
Function / homology
Function and homology information


cardiac atrium development / negative regulation of cholangiocyte apoptotic process / insulin-like growth factor receptor activity / positive regulation of steroid hormone biosynthetic process / protein kinase complex / Signaling by Type 1 Insulin-like Growth Factor 1 Receptor (IGF1R) / protein transporter activity / IRS-related events triggered by IGF1R / insulin-like growth factor binding / negative regulation of muscle cell apoptotic process ...cardiac atrium development / negative regulation of cholangiocyte apoptotic process / insulin-like growth factor receptor activity / positive regulation of steroid hormone biosynthetic process / protein kinase complex / Signaling by Type 1 Insulin-like Growth Factor 1 Receptor (IGF1R) / protein transporter activity / IRS-related events triggered by IGF1R / insulin-like growth factor binding / negative regulation of muscle cell apoptotic process / cellular response to progesterone stimulus / positive regulation of DNA metabolic process / protein localization to nuclear periphery / FCERI mediated MAPK activation / cellular response to zinc ion starvation / cellular response to aldosterone / Activation of the AP-1 family of transcription factors / response to amino acid starvation / mediator complex binding / negative regulation of ribosomal protein gene transcription by RNA polymerase II / positive regulation of cellular response to amino acid starvation / insulin receptor complex / cellular response to testosterone stimulus / negative regulation of hepatocyte apoptotic process / insulin-like growth factor I binding / insulin receptor activity / transcytosis / Oxidative Stress Induced Senescence / nitrogen catabolite activation of transcription from RNA polymerase II promoter / alphav-beta3 integrin-IGF-1-IGF1R complex / response to alkaloid / positive regulation of protein-containing complex disassembly / cellular response to angiotensin / dendritic spine maintenance / cellular response to insulin-like growth factor stimulus / response to L-glutamate / insulin binding / negative regulation of MAPK cascade / establishment of cell polarity / positive regulation of axon regeneration / amyloid-beta clearance / positive regulation of osteoblast proliferation / positive regulation of cytokinesis / TFIID-class transcription factor complex binding / regulation of JNK cascade / estrous cycle / insulin receptor substrate binding / G-protein alpha-subunit binding / positive regulation of transcription initiation by RNA polymerase II / response to vitamin E / amino acid biosynthetic process / SHC-related events triggered by IGF1R / positive regulation of RNA polymerase II transcription preinitiation complex assembly / phosphatidylinositol 3-kinase binding / peptidyl-tyrosine autophosphorylation / T-tubule / cellular response to transforming growth factor beta stimulus / cellular response to amino acid starvation / cerebellum development / axonogenesis / cellular response to dexamethasone stimulus / insulin-like growth factor receptor signaling pathway / phosphatidylinositol 3-kinase/protein kinase B signal transduction / caveola / cellular response to estradiol stimulus / hippocampus development / cellular response to glucose stimulus / positive regulation of smooth muscle cell proliferation / response to nicotine / insulin receptor binding / receptor protein-tyrosine kinase / cellular response to mechanical stimulus / RNA polymerase II transcription regulator complex / cellular response to amyloid-beta / : / cellular senescence / insulin receptor signaling pathway / positive regulation of cold-induced thermogenesis / DNA-binding transcription activator activity, RNA polymerase II-specific / protein tyrosine kinase activity / response to ethanol / RNA polymerase II-specific DNA-binding transcription factor binding / transcription regulator complex / sequence-specific DNA binding / positive regulation of MAPK cascade / protein autophosphorylation / Extra-nuclear estrogen signaling / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / receptor complex / DNA-binding transcription factor activity, RNA polymerase II-specific / regulation of cell cycle / intracellular signal transduction / positive regulation of cell migration / immune response / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / axon / intracellular membrane-bounded organelle / neuronal cell body / chromatin binding
Similarity search - Function
Tyrosine-protein kinase, insulin-like receptor / Basic region leucine zipper / Basic-leucine zipper (bZIP) domain signature. / Basic-leucine zipper (bZIP) domain profile. / basic region leucin zipper / Basic-leucine zipper domain superfamily / Basic-leucine zipper domain / Tyrosine-protein kinase, receptor class II, conserved site / Receptor tyrosine kinase class II signature. / Receptor L-domain ...Tyrosine-protein kinase, insulin-like receptor / Basic region leucine zipper / Basic-leucine zipper (bZIP) domain signature. / Basic-leucine zipper (bZIP) domain profile. / basic region leucin zipper / Basic-leucine zipper domain superfamily / Basic-leucine zipper domain / 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 / Protein tyrosine and serine/threonine kinase / Serine-threonine/tyrosine-protein kinase, catalytic domain / 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
General control transcription factor GCN4 / Insulin-like growth factor 1 receptor
Similarity search - Component
Biological speciesHomo sapiens (human)
Saccharomyces cerevisiae (brewer's yeast)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.21 Å
AuthorsXu, Y. / Kirk, N.S. / Lawrence, M.C. / Croll, T.I.
Funding support Australia, United Kingdom, 2items
OrganizationGrant numberCountry
National Health and Medical Research Council (NHMRC, Australia)APP1128553 Australia
Wellcome Trust209407/Z/17/ United Kingdom
CitationJournal: Structure / Year: 2020
Title: How IGF-II Binds to the Human Type 1 Insulin-like Growth Factor Receptor.
Authors: Yibin Xu / Nicholas S Kirk / Hariprasad Venugopal / Mai B Margetts / Tristan I Croll / Jarrod J Sandow / Andrew I Webb / Carlie A Delaine / Briony E Forbes / Michael C Lawrence /
Abstract: Human type 1 insulin-like growth factor receptor (IGF-1R) signals chiefly in response to the binding of insulin-like growth factor I. Relatively little is known about the role of insulin-like growth ...Human type 1 insulin-like growth factor receptor (IGF-1R) signals chiefly in response to the binding of insulin-like growth factor I. Relatively little is known about the role of insulin-like growth factor II signaling via IGF-1R, despite the affinity of insulin-like growth factor II for IGF-1R being within an order of magnitude of that of insulin-like growth factor I. Here, we describe the cryoelectron microscopy structure of insulin-like growth factor II bound to a leucine-zipper-stabilized IGF-1R ectodomain, determined in two conformations to a maximum average resolution of 3.2 Å. The two conformations differ in the relative separation of their respective points of membrane entry, and comparison with the structure of insulin-like growth factor I bound to IGF-1R reveals long-suspected differences in the way in which the critical C domain of the respective growth factors interact with IGF-1R.
History
DepositionFeb 19, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 13, 2020Provider: repository / Type: Initial release
Revision 1.1Jul 15, 2020Group: Database references / Category: citation
Item: _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Jul 22, 2020Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last

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Structure visualization

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Assembly

Deposited unit
A: Leucine-zippered human type 1 insulin-like growth factor receptor ectodomain
B: Leucine-zippered human type 1 insulin-like growth factor receptor ectodomain


Theoretical massNumber of molelcules
Total (without water)217,8742
Polymers217,8742
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration, All components were present in the map
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area2710 Å2
ΔGint-7 kcal/mol
Surface area41620 Å2

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Components

#1: Protein Leucine-zippered human type 1 insulin-like growth factor receptor ectodomain / Insulin-like growth factor I receptor / IGF-I receptor / Amino acid biosynthesis regulatory protein


Mass: 108937.242 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human), (gene. exp.) Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
Gene: IGF1R, GCN4, AAS3, ARG9, YEL009C / Plasmid: pEE14 / Strain: ATCC 204508 / S288c / Cell line (production host): CHO-K1 / Production host: Cricetulus griseus (Chinese hamster)
References: UniProt: P08069, UniProt: P03069, receptor protein-tyrosine kinase

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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: Leg region of the open-leg conformation of the human type 1 insulin-like growth factor receptor ectodomain in complex with human insulin-like growth factor II
Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Molecular weightValue: 0.25 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Cricetulus griseus (Chinese hamster)
Buffer solutionpH: 7.5
Buffer component
IDConc.FormulaBuffer-ID
124.8 mMTris-HClTris1
2137 mMNaClSodium chloride1
32.7 mMKCl1
40.02 %NaN31
SpecimenConc.: 0.1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: IGFII:IGF-1R molar ratio 1.5:1
Specimen supportDetails: 15mA current / Grid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil, UltrAuFoil, R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K

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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 FIELDBright-field microscopy / Cs: 2.7 mm / C2 aperture diameter: 50 µm
Specimen holderCryogen: NITROGEN
Image recordingAverage exposure time: 10 sec. / Electron dose: 50 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of grids imaged: 1 / Num. of real images: 4585
EM imaging opticsEnergyfilter name: GIF Quantum LS
Image scansMovie frames/image: 50 / Used frames/image: 1-50

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Processing

Software
NameVersionClassification
phenix.real_space_refine1.16_3549+SVNrefinement
PHENIX1.16_3549+SVNrefinement
EM software
IDNameVersionCategory
2EPUimage acquisition
4CTFFIND4.1.13CTF correction
9PHENIX1.16model refinement
10cryoSPARC2.11initial Euler assignment
11cryoSPARC2.11final Euler assignment
12cryoSPARC2.11classification
13cryoSPARC2.113D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 2057701
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 4.21 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 108899 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL
Details: UCSF Chimera was used for the initial fitting and ISOLDE v 1.03b was using for flexible fitting.
Atomic model buildingPDB-ID: 5U8R

5u8r

RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 139.51 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.003811958
ELECTRON MICROSCOPYf_angle_d0.803421558
ELECTRON MICROSCOPYf_chiral_restr0.0544874
ELECTRON MICROSCOPYf_plane_restr0.00491785
ELECTRON MICROSCOPYf_dihedral_angle_d14.37034899

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