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- PDB-6jk8: Cryo-EM structure of the full-length human IGF-1R in complex with... -

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Basic information

Entry
Database: PDB / ID: 6jk8
TitleCryo-EM structure of the full-length human IGF-1R in complex with insulin
Components
  • Insulin
  • Insulin-like growth factor 1 receptor
KeywordsSIGNALING PROTEIN / human type 1 insulin-like growth factor receptor / insulin
Function / homology
Function and homology information


cardiac atrium development / negative regulation of cholangiocyte apoptotic process / protein kinase complex / insulin-like growth factor receptor activity / positive regulation of steroid hormone biosynthetic process / Signaling by Type 1 Insulin-like Growth Factor 1 Receptor (IGF1R) / insulin-like growth factor binding / IRS-related events triggered by IGF1R / protein transporter activity / negative regulation of muscle cell apoptotic process ...cardiac atrium development / negative regulation of cholangiocyte apoptotic process / protein kinase complex / insulin-like growth factor receptor activity / positive regulation of steroid hormone biosynthetic process / Signaling by Type 1 Insulin-like Growth Factor 1 Receptor (IGF1R) / insulin-like growth factor binding / IRS-related events triggered by IGF1R / protein transporter activity / negative regulation of muscle cell apoptotic process / cellular response to progesterone stimulus / positive regulation of DNA metabolic process / cellular response to aldosterone / cellular response to zinc ion starvation / insulin receptor complex / insulin-like growth factor I binding / cellular response to testosterone stimulus / insulin receptor activity / transcytosis / negative regulation of hepatocyte apoptotic process / alphav-beta3 integrin-IGF-1-IGF1R complex / response to alkaloid / cellular response to angiotensin / positive regulation of protein-containing complex disassembly / dendritic spine maintenance / insulin binding / response to L-glutamate / negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic process / positive regulation of nitric oxide mediated signal transduction / negative regulation of fatty acid metabolic process / cellular response to insulin-like growth factor stimulus / negative regulation of feeding behavior / establishment of cell polarity / Signaling by Insulin receptor / IRS activation / Insulin processing / positive regulation of cytokinesis / regulation of protein secretion / positive regulation of axon regeneration / positive regulation of peptide hormone secretion / positive regulation of respiratory burst / positive regulation of osteoblast proliferation / negative regulation of acute inflammatory response / Regulation of gene expression in beta cells / alpha-beta T cell activation / amyloid-beta clearance / Respiratory syncytial virus (RSV) attachment and entry / regulation of JNK cascade / regulation of amino acid metabolic process / negative regulation of respiratory burst involved in inflammatory response / insulin receptor substrate binding / negative regulation of protein secretion / positive regulation of dendritic spine maintenance / positive regulation of glycogen biosynthetic process / G-protein alpha-subunit binding / Synthesis, secretion, and deacylation of Ghrelin / response to vitamin E / estrous cycle / regulation of protein localization to plasma membrane / fatty acid homeostasis / negative regulation of MAPK cascade / SHC-related events triggered by IGF1R / negative regulation of gluconeogenesis / negative regulation of lipid catabolic process / 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 / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / peptidyl-tyrosine autophosphorylation / positive regulation of insulin receptor signaling pathway / nitric oxide-cGMP-mediated signaling / negative regulation of reactive oxygen species biosynthetic process / cellular response to transforming growth factor beta stimulus / positive regulation of protein autophosphorylation / Insulin receptor recycling / transport vesicle / insulin-like growth factor receptor binding / neuron projection maintenance / T-tubule / endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of brown fat cell differentiation / positive regulation of protein metabolic process / NPAS4 regulates expression of target genes / activation of protein kinase B activity / phosphatidylinositol 3-kinase/protein kinase B signal transduction / positive regulation of glycolytic process / Insulin receptor signalling cascade / positive regulation of mitotic nuclear division / axonogenesis / cellular response to dexamethasone stimulus / cerebellum development / insulin-like growth factor receptor signaling pathway / positive regulation of nitric-oxide synthase activity / positive regulation of cytokine production / positive regulation of long-term synaptic potentiation / acute-phase response / hippocampus development
Similarity search - Function
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. ...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 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-like growth factor 1 receptor
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 5 Å
AuthorsZhang, X. / Yu, D. / Wang, T.
Funding support China, 3items
OrganizationGrant numberCountry
Ministry of Science and Technology (China)2018YFA0507103 China
National Natural Science Foundation of China31870719 China
National Natural Science Foundation of China11774011 China
CitationJournal: Structure / Year: 2020
Title: Visualization of Ligand-Bound Ectodomain Assembly in the Full-Length Human IGF-1 Receptor by Cryo-EM Single-Particle Analysis.
Authors: Xi Zhang / Daqi Yu / Jingchuan Sun / Yujie Wu / Junyuan Gong / Xuemei Li / Li Liu / Shan Liu / Jianbo Liu / Yulan Wu / Dongyang Li / Yinping Ma / Xu Han / Yanan Zhu / Zhaolong Wu / Yihua ...Authors: Xi Zhang / Daqi Yu / Jingchuan Sun / Yujie Wu / Junyuan Gong / Xuemei Li / Li Liu / Shan Liu / Jianbo Liu / Yulan Wu / Dongyang Li / Yinping Ma / Xu Han / Yanan Zhu / Zhaolong Wu / Yihua Wang / Qi Ouyang / Tao Wang /
Abstract: Tyrosine kinase receptor of insulin-like growth factor 1 receptor (IGF-1R) and insulin receptor (IR) bind to hormones, such as insulin, IGF-1, and IGF-2, and transduces the signals across the cell ...Tyrosine kinase receptor of insulin-like growth factor 1 receptor (IGF-1R) and insulin receptor (IR) bind to hormones, such as insulin, IGF-1, and IGF-2, and transduces the signals across the cell membrane. However, the complete structure of the receptor and the signal transduction mechanism remains unclear. Here, we report the cryo-EM structure of the ligand-bound ectodomain in the full-length human IGF-1R. We reconstructed the IGF-1R/insulin complex at 4.7 Å and the IGF-1R/IGF-1 complex at 7.7 Å. Our structures reveal that only one insulin or one IGF-1 molecule binds to and activates the full-length human IGF-1R receptor.
History
DepositionFeb 27, 2019Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 4, 2020Provider: repository / Type: Initial release
Revision 1.1Mar 25, 2020Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.title / _citation.year
Revision 1.2Apr 22, 2020Group: Database references / Category: citation
Item: _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.3May 20, 2020Group: Database references / Derived calculations / Category: citation / struct_conn
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _struct_conn.pdbx_leaving_atom_flag
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_unobs_or_zero_occ_atoms / pdbx_validate_close_contact / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.name / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_unobs_or_zero_occ_atoms.label_asym_id / _pdbx_validate_close_contact.auth_asym_id_2 / _pdbx_validate_close_contact.auth_seq_id_2 / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

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Assembly

Deposited unit
A: Insulin-like growth factor 1 receptor
B: Insulin-like growth factor 1 receptor
C: Insulin
D: Insulin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)337,68215
Polymers333,9094
Non-polymers3,77411
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area10890 Å2
ΔGint45 kcal/mol
Surface area89250 Å2

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Components

#1: Protein Insulin-like growth factor 1 receptor / Insulin-like growth factor I receptor / IGF-I receptor


Mass: 154964.469 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: IGF1R / Cell line (production host): HEK293T / Production host: Homo sapiens (human)
References: UniProt: P08069, receptor protein-tyrosine kinase
#2: Protein Insulin


Mass: 11989.862 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: INS / Cell line (production host): HEK293T / Production host: Homo sapiens (human) / References: UniProt: P01308
#3: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#4: Polysaccharide alpha-D-mannopyranose-(1-4)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1- ...alpha-D-mannopyranose-(1-4)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 748.682 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-4DManpa1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,4,3/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1a_1-5]/1-1-2-2/a4-b1_b4-c1_c4-d1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][a-D-Manp]{[(4+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#5: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
Has ligand of interestN
Sequence detailsAuthors state that the part of the chain A (698A-736A) and the part of the chain B (698B-736B) are ...Authors state that the part of the chain A (698A-736A) and the part of the chain B (698B-736B) are not able to assign which one belongs which one, due to the broken ends.

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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: complex of full-length human type 1 insulin-like growth factor receptor with insulin
Type: COMPLEX / Entity ID: #2 / Source: RECOMBINANT
Molecular weightValue: 0.31 MDa / Experimental value: YES
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human) / Cell: HEK293T
Buffer solutionpH: 7.4 / Details: PBS with detergent
SpecimenConc.: 2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Details: human type 1 insulin-like growth factor receptor saturated with human insulin
Specimen supportGrid material: GOLD / Grid mesh size: 400 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 278 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 FIELD / Nominal magnification: 105000 X / Calibrated magnification: 36496 X / Cs: 2.7 mm
Image recordingElectron dose: 50 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 QUANTUM (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.13_2998: / Classification: refinement
EM software
IDNameVersionCategory
1EMAN2particle selection
2SerialEMimage acquisition
4GctfCTF correction
12RELION3.0.4classification
13RELION3.0.43D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 301139 / Symmetry type: POINT
RefinementHighest resolution: 4.7 Å

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