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- PDB-7sz1: Cryo-EM structure of the extracellular module of the full-length ... -

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Basic information

Entry
Database: PDB / ID: 7sz1
TitleCryo-EM structure of the extracellular module of the full-length EGFR L834R bound to EGF. "tips-separated" conformation
Components
  • Epidermal growth factor receptor
  • Epidermal growth factor
KeywordsSIGNALING PROTEIN/RECEPTOR / receptor tyrosine kinases / epidermal growth factor receptor / SIGNALING PROTEIN / SIGNALING PROTEIN-RECEPTOR complex
Function / homology
Function and homology information


negative regulation of secretion / positive regulation of hyaluronan biosynthetic process / negative regulation of cholesterol efflux / positive regulation of cerebellar granule cell precursor proliferation / cerebellar granule cell precursor proliferation / regulation of calcium ion import / positive regulation of protein localization to early endosome / regulation of protein localization to cell surface / positive regulation of epithelial tube formation / positive regulation of ubiquitin-dependent protein catabolic process ...negative regulation of secretion / positive regulation of hyaluronan biosynthetic process / negative regulation of cholesterol efflux / positive regulation of cerebellar granule cell precursor proliferation / cerebellar granule cell precursor proliferation / regulation of calcium ion import / positive regulation of protein localization to early endosome / regulation of protein localization to cell surface / positive regulation of epithelial tube formation / positive regulation of ubiquitin-dependent protein catabolic process / response to hydroxyisoflavone / multivesicular body, internal vesicle lumen / positive regulation of prolactin secretion / negative regulation of cardiocyte differentiation / positive regulation of protein kinase C activity / diterpenoid metabolic process / Shc-EGFR complex / ovulation cycle / regulation of receptor signaling pathway via JAK-STAT / Inhibition of Signaling by Overexpressed EGFR / epidermal growth factor receptor activity / EGFR interacts with phospholipase C-gamma / positive regulation of mucus secretion / response to UV-A / epidermal growth factor binding / PLCG1 events in ERBB2 signaling / tongue development / midgut development / ERBB2-EGFR signaling pathway / hydrogen peroxide metabolic process / NFE2L2 regulating tumorigenic genes / PTK6 promotes HIF1A stabilization / digestive tract morphogenesis / regulation of nitric-oxide synthase activity / epidermal growth factor receptor binding / ERBB2 Activates PTK6 Signaling / morphogenesis of an epithelial fold / intracellular vesicle / branching morphogenesis of an epithelial tube / Signaling by EGFR / response to cobalamin / negative regulation of epidermal growth factor receptor signaling pathway / transmembrane receptor protein tyrosine kinase activator activity / protein tyrosine kinase activator activity / regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / Signaling by ERBB4 / eyelid development in camera-type eye / protein insertion into membrane / cerebral cortex cell migration / ERBB2 Regulates Cell Motility / regulation of JNK cascade / positive regulation of receptor internalization / activation of phospholipase C activity / positive regulation of cyclin-dependent protein serine/threonine kinase activity / PI3K events in ERBB2 signaling / negative regulation of mitotic cell cycle / hair follicle development / MAP kinase kinase kinase activity / Estrogen-dependent nuclear events downstream of ESR-membrane signaling / positive regulation of G1/S transition of mitotic cell cycle / embryonic placenta development / positive regulation of bone resorption / mammary gland alveolus development / GAB1 signalosome / positive regulation of DNA binding / positive regulation of nitric oxide mediated signal transduction / salivary gland morphogenesis / regulation of peptidyl-tyrosine phosphorylation / peptidyl-tyrosine autophosphorylation / positive regulation of glial cell proliferation / positive regulation of phosphorylation / positive regulation of vasoconstriction / Signaling by ERBB2 / cellular response to epidermal growth factor stimulus / ERK1 and ERK2 cascade / cellular response to cadmium ion / GRB2 events in EGFR signaling / SHC1 events in EGFR signaling / positive regulation of DNA repair / EGFR Transactivation by Gastrin / TFAP2 (AP-2) family regulates transcription of growth factors and their receptors / positive regulation of endothelial cell proliferation / GRB2 events in ERBB2 signaling / transmembrane receptor protein tyrosine kinase activity / neurogenesis / SHC1 events in ERBB2 signaling / cellular response to dexamethasone stimulus / ossification / positive regulation of synaptic transmission, glutamatergic / basal plasma membrane / regulation of ERK1 and ERK2 cascade / guanyl-nucleotide exchange factor activity / positive regulation of mitotic nuclear division / neuron projection morphogenesis / positive regulation of endothelial cell migration / positive regulation of superoxide anion generation / platelet alpha granule lumen / positive regulation of peptidyl-threonine phosphorylation / positive regulation of DNA replication / epithelial cell proliferation
Similarity search - Function
Pro-epidermal growth factor / Low-density lipoprotein receptor repeat class B / LDL-receptor class B (LDLRB) repeat profile. / LDLR class B repeat / Low-density lipoprotein-receptor YWTD domain / Calcium-binding EGF domain / : / Epidermal growth factor receptor transmembrane-juxtamembrane segment / Tyrosine protein kinase, EGF/ERB/XmrK receptor / Growth factor receptor domain 4 ...Pro-epidermal growth factor / Low-density lipoprotein receptor repeat class B / LDL-receptor class B (LDLRB) repeat profile. / LDLR class B repeat / Low-density lipoprotein-receptor YWTD domain / Calcium-binding EGF domain / : / Epidermal growth factor receptor transmembrane-juxtamembrane segment / Tyrosine protein kinase, EGF/ERB/XmrK receptor / Growth factor receptor domain 4 / Growth factor receptor domain IV / Six-bladed beta-propeller, TolB-like / Coagulation Factor Xa inhibitory site / Receptor L-domain / Furin-like cysteine-rich domain / Receptor L-domain superfamily / Furin-like cysteine rich region / Receptor L domain / EGF-type aspartate/asparagine hydroxylation site / EGF-like domain / EGF-like calcium-binding, conserved site / Calcium-binding EGF-like domain signature. / Furin-like repeat / Furin-like repeats / Aspartic acid and asparagine hydroxylation site. / EGF-like calcium-binding domain / Calcium-binding EGF-like domain / Epidermal growth factor-like domain. / EGF-like domain profile. / Growth factor receptor cysteine-rich domain superfamily / EGF-like domain signature 2. / EGF-like domain signature 1. / EGF-like domain / 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. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily
Similarity search - Domain/homology
Epidermal growth factor receptor / Pro-epidermal growth factor
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsHuang, Y. / Ognjenovic, J. / Karandur, D. / Miller, K. / Merk, A. / Subramaniam, S. / Kuriyan, J.
Funding support United States, 2items
OrganizationGrant numberCountry
Canada Excellence Research Chair Award United States
Howard Hughes Medical Institute (HHMI) United States
CitationJournal: Elife / Year: 2021
Title: A molecular mechanism for the generation of ligand-dependent differential outputs by the epidermal growth factor receptor.
Authors: Yongjian Huang / Jana Ognjenovic / Deepti Karandur / Kate Miller / Alan Merk / Sriram Subramaniam / John Kuriyan /
Abstract: The epidermal growth factor receptor (EGFR) is a receptor tyrosine kinase that couples the binding of extracellular ligands, such as EGF and transforming growth factor-α (TGF-α), to the initiation ...The epidermal growth factor receptor (EGFR) is a receptor tyrosine kinase that couples the binding of extracellular ligands, such as EGF and transforming growth factor-α (TGF-α), to the initiation of intracellular signaling pathways. EGFR binds to EGF and TGF-α with similar affinity, but generates different signals from these ligands. To address the mechanistic basis of this phenomenon, we have carried out cryo-EM analyses of human EGFR bound to EGF and TGF-α. We show that the extracellular module adopts an ensemble of dimeric conformations when bound to either EGF or TGF-α. The two extreme states of this ensemble represent distinct ligand-bound quaternary structures in which the membrane-proximal tips of the extracellular module are either juxtaposed or separated. EGF and TGF-α differ in their ability to maintain the conformation with the membrane-proximal tips of the extracellular module separated, and this conformation is stabilized preferentially by an oncogenic EGFR mutation. Close proximity of the transmembrane helices at the junction with the extracellular module has been associated previously with increased EGFR activity. Our results show how EGFR can couple the binding of different ligands to differential modulation of this proximity, thereby suggesting a molecular mechanism for the generation of ligand-sensitive differential outputs in this receptor family.
History
DepositionNov 25, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 22, 2021Provider: repository / Type: Initial release

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Assembly

Deposited unit
A: Epidermal growth factor receptor
C: Epidermal growth factor
B: Epidermal growth factor receptor
D: Epidermal growth factor


Theoretical massNumber of molelcules
Total (without water)281,4134
Polymers281,4134
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Epidermal growth factor receptor / / Proto-oncogene c-ErbB-1 / Receptor tyrosine-protein kinase erbB-1


Mass: 134477.375 Da / Num. of mol.: 2 / Mutation: L834R
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: EGFR, ERBB, ERBB1, HER1 / Production host: Homo sapiens (human)
References: UniProt: P00533, receptor protein-tyrosine kinase
#2: Protein Epidermal growth factor / / Urogastrone


Mass: 6229.027 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: EGF / Production host: Escherichia coli (E. coli) / References: UniProt: P01133

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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: full-length human EGFR(L834R):EGF complex / Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Molecular weightExperimental value: NO
Buffer solutionpH: 8
SpecimenConc.: 0.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid type: UltrAuFoil R1.2/1.3
VitrificationCryogen name: ETHANE

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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
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM software
IDNameVersionCategory
10cryoSPARCv2initial Euler assignment
11cryoSPARCv2final Euler assignment
12cryoSPARCv2classification
13cryoSPARCv23D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 100615 / Symmetry type: POINT

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