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- PDB-7sl2: Full-length insulin receptor bound with site 2 binding deficient ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 7sl2 | ||||||
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Title | Full-length insulin receptor bound with site 2 binding deficient mutant insulin (A-L13R) -- asymmetric conformation | ||||||
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![]() | SIGNALING PROTEIN/HORMONE / insulin receptor / site 2 binding deficient mutant insulin / SIGNALING PROTEIN / SIGNALING PROTEIN-HORMONE complex | ||||||
Function / homology | ![]() Signaling by Insulin receptor / IRS activation / Insulin receptor signalling cascade / Signal attenuation / Insulin receptor recycling / regulation of female gonad development / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / positive regulation of meiotic cell cycle / insulin-like growth factor II binding / positive regulation of developmental growth ...Signaling by Insulin receptor / IRS activation / Insulin receptor signalling cascade / Signal attenuation / Insulin receptor recycling / regulation of female gonad development / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / positive regulation of meiotic cell cycle / insulin-like growth factor II binding / positive regulation of developmental growth / male sex determination / insulin receptor complex / exocrine pancreas development / insulin-like growth factor I binding / nuclear lumen / insulin binding / negative regulation of NAD(P)H oxidase activity / PTB domain binding / adrenal gland development / negative regulation of glycogen catabolic process / positive regulation of nitric oxide mediated signal transduction / negative regulation of fatty acid metabolic process / Signaling by Insulin receptor / negative regulation of feeding behavior / IRS activation / Insulin processing / regulation of protein secretion / positive regulation of peptide hormone secretion / Regulation of gene expression in beta cells / positive regulation of respiratory burst / negative regulation of acute inflammatory response / regulation of embryonic development / alpha-beta T cell activation / positive regulation of receptor internalization / protein kinase activator activity / insulin receptor substrate binding / regulation of amino acid metabolic process / positive regulation of dendritic spine maintenance / negative regulation of respiratory burst involved in inflammatory response / Synthesis, secretion, and deacylation of Ghrelin / epidermis development / negative regulation of protein secretion / negative regulation of gluconeogenesis / fatty acid homeostasis / positive regulation of glycogen biosynthetic process / phosphatidylinositol 3-kinase binding / Signal attenuation / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / negative regulation of lipid catabolic process / COPI-mediated anterograde transport / regulation of protein localization to plasma membrane / positive regulation of lipid biosynthetic process / positive regulation of insulin receptor signaling pathway / heart morphogenesis / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / positive regulation of protein autophosphorylation / nitric oxide-cGMP-mediated signaling / activation of protein kinase B activity / transport vesicle / negative regulation of reactive oxygen species biosynthetic process / Insulin receptor recycling / insulin-like growth factor receptor binding / positive regulation of brown fat cell differentiation / positive regulation of protein metabolic process / NPAS4 regulates expression of target genes / neuron projection maintenance / endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of mitotic nuclear division / Insulin receptor signalling cascade / positive regulation of nitric-oxide synthase activity / positive regulation of glycolytic process / positive regulation of long-term synaptic potentiation / animal organ morphogenesis / positive regulation of cytokine production / endosome lumen / acute-phase response / negative regulation of proteolysis / positive regulation of D-glucose import / positive regulation of protein secretion / positive regulation of cell differentiation / Regulation of insulin secretion / insulin receptor binding / regulation of transmembrane transporter activity / wound healing / placental growth factor receptor activity / insulin receptor activity / vascular endothelial growth factor receptor activity / hepatocyte growth factor receptor activity / macrophage colony-stimulating factor receptor activity / platelet-derived growth factor alpha-receptor activity / platelet-derived growth factor beta-receptor activity / stem cell factor receptor activity / boss receptor activity / protein tyrosine kinase collagen receptor activity / brain-derived neurotrophic factor receptor activity / GPI-linked ephrin receptor activity / transmembrane-ephrin receptor activity / epidermal growth factor receptor activity / fibroblast growth factor receptor activity / insulin-like growth factor receptor activity Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.6 Å | ||||||
![]() | Bai, X.C. / Choi, E. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Synergistic activation of the insulin receptor via two distinct sites. Authors: Jie Li / Junhee Park / John P Mayer / Kristofor J Webb / Emiko Uchikawa / Jiayi Wu / Shun Liu / Xuewu Zhang / Michael H B Stowell / Eunhee Choi / Xiao-Chen Bai / ![]() Abstract: Insulin receptor (IR) signaling controls multiple facets of animal physiology. Maximally four insulins bind to IR at two distinct sites, termed site-1 and site-2. However, the precise functional ...Insulin receptor (IR) signaling controls multiple facets of animal physiology. Maximally four insulins bind to IR at two distinct sites, termed site-1 and site-2. However, the precise functional roles of each binding event during IR activation remain unresolved. Here, we showed that IR incompletely saturated with insulin predominantly forms an asymmetric conformation and exhibits partial activation. IR with one insulin bound adopts a Γ-shaped conformation. IR with two insulins bound assumes a Ƭ-shaped conformation. One insulin binds at site-1 and another simultaneously contacts both site-1 and site-2 in the Ƭ-shaped IR dimer. We further show that concurrent binding of four insulins to sites-1 and -2 prevents the formation of asymmetric IR and promotes the T-shaped symmetric, fully active state. Collectively, our results demonstrate how the synergistic binding of multiple insulins promotes optimal IR activation. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 381.2 KB | Display | ![]() |
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PDB format | ![]() | 293.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 920.9 KB | Display | ![]() |
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Full document | ![]() | 945.6 KB | Display | |
Data in XML | ![]() | 51.7 KB | Display | |
Data in CIF | ![]() | 78.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 25189MC ![]() 7sl1C ![]() 7sl3C ![]() 7sl4C ![]() 7sl6C ![]() 7sl7C ![]() 7sthC ![]() 7stiC ![]() 7stjC ![]() 7stkC C: citing same article ( M: map data used to model this data |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 155790.516 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: P15208, receptor protein-tyrosine kinase #2: Protein/peptide | Mass: 3433.953 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Protein/peptide | Mass: 2427.734 Da / Num. of mol.: 4 / Mutation: L13R Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: Full-length insulin receptor bound with site 2 binding deficient mutant insulin (A-L13R) -- asymmetric conformation Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES |
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Molecular weight | Experimental value: NO |
Buffer solution | pH: 8 |
Specimen | Conc.: 6 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2600 nm / Nominal defocus min: 1600 nm |
Image recording | Electron dose: 60 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 1118695 | ||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 3.6 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 261699 / Symmetry type: POINT |