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Open data
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Basic information
Entry | Database: PDB / ID: 8vuu | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Title | Human GluN1-2B with Fab 007-168 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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![]() | MEMBRANE PROTEIN/IMMUNE SYSTEM / Channel / heterotetramer / receptor / antibody / MEMBRANE PROTEIN-IMMUNE SYSTEM complex | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Function / homology | ![]() glycine-gated cation channel activity / excitatory chemical synaptic transmission / Activated NTRK2 signals through FYN / Synaptic adhesion-like molecules / response to glycine / propylene metabolic process / negative regulation of dendritic spine maintenance / regulation of monoatomic cation transmembrane transport / Assembly and cell surface presentation of NMDA receptors / NMDA glutamate receptor activity ...glycine-gated cation channel activity / excitatory chemical synaptic transmission / Activated NTRK2 signals through FYN / Synaptic adhesion-like molecules / response to glycine / propylene metabolic process / negative regulation of dendritic spine maintenance / regulation of monoatomic cation transmembrane transport / Assembly and cell surface presentation of NMDA receptors / NMDA glutamate receptor activity / neurotransmitter receptor complex / NMDA selective glutamate receptor complex / Neurexins and neuroligins / ligand-gated sodium channel activity / glutamate binding / glutamate receptor signaling pathway / calcium ion transmembrane import into cytosol / protein heterotetramerization / glycine binding / positive regulation of reactive oxygen species biosynthetic process / monoatomic cation transmembrane transport / Negative regulation of NMDA receptor-mediated neuronal transmission / Unblocking of NMDA receptors, glutamate binding and activation / positive regulation of calcium ion transport into cytosol / Long-term potentiation / monoatomic cation transport / excitatory synapse / positive regulation of excitatory postsynaptic potential / monoatomic ion channel complex / regulation of neuronal synaptic plasticity / synaptic cleft / calcium ion homeostasis / MECP2 regulates neuronal receptors and channels / glutamate-gated calcium ion channel activity / EPHB-mediated forward signaling / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / sodium ion transmembrane transport / ionotropic glutamate receptor signaling pathway / Ras activation upon Ca2+ influx through NMDA receptor / positive regulation of synaptic transmission, glutamatergic / excitatory postsynaptic potential / regulation of membrane potential / synaptic transmission, glutamatergic / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / synaptic membrane / postsynaptic density membrane / brain development / visual learning / calcium ion transmembrane transport / regulation of synaptic plasticity / long-term synaptic potentiation / terminal bouton / late endosome / synaptic vesicle / signaling receptor activity / amyloid-beta binding / RAF/MAP kinase cascade / response to ethanol / chemical synaptic transmission / dendritic spine / postsynaptic membrane / learning or memory / cytoskeleton / lysosome / calmodulin binding / neuron projection / postsynaptic density / synapse / dendrite / calcium ion binding / endoplasmic reticulum membrane / protein-containing complex binding / cell surface / positive regulation of transcription by RNA polymerase II / zinc ion binding / plasma membrane / cytoplasm Similarity search - Function | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Biological species | ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.05 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Michalski, K. / Furukawa, H. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural and functional mechanisms of anti-NMDAR autoimmune encephalitis. Authors: Kevin Michalski / Taha Abdulla / Sam Kleeman / Lars Schmidl / Ricardo Gómez / Noriko Simorowski / Francesca Vallese / Harald Prüss / Manfred Heckmann / Christian Geis / Hiro Furukawa / ![]() ![]() Abstract: Autoantibodies against neuronal membrane proteins can manifest in autoimmune encephalitis, inducing seizures, cognitive dysfunction and psychosis. Anti-N-methyl-D-aspartate receptor (NMDAR) ...Autoantibodies against neuronal membrane proteins can manifest in autoimmune encephalitis, inducing seizures, cognitive dysfunction and psychosis. Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is the most dominant autoimmune encephalitis; however, insights into how autoantibodies recognize and alter receptor functions remain limited. Here we determined structures of human and rat NMDARs bound to three distinct patient-derived antibodies using single-particle electron cryo-microscopy. These antibodies bind different regions within the amino-terminal domain of the GluN1 subunit. Through electrophysiology, we show that all three autoantibodies acutely and directly reduced NMDAR channel functions in primary neurons. Antibodies show different stoichiometry of binding and antibody-receptor complex formation, which in one antibody, 003-102, also results in reduced synaptic localization of NMDARs. These studies demonstrate mechanisms of diverse epitope recognition and direct channel regulation of anti-NMDAR autoantibodies underlying autoimmune encephalitis. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 665.8 KB | Display | ![]() |
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PDB format | ![]() | 525.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.3 MB | Display | ![]() |
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Full document | ![]() | 1.4 MB | Display | |
Data in XML | ![]() | 112.8 KB | Display | |
Data in CIF | ![]() | 174.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 43540MC ![]() 8vuhC ![]() 8vujC ![]() 8vulC ![]() 8vunC ![]() 8vuqC ![]() 8vurC ![]() 8vusC ![]() 8vutC ![]() 8vuvC ![]() 8vuyC ![]() 8vvhC M: map data used to model this data C: citing same article ( |
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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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1 |
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Components
#1: Protein | Mass: 92012.109 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein | Mass: 91534.438 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #3: Protein | Mass: 22522.250 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #4: Antibody | Mass: 23455.982 Da / Num. of mol.: 2 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: Human GluN1-2B with Fab 007-168 / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT |
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Molecular weight | Experimental value: NO |
Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() ![]() |
Buffer solution | pH: 7.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
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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: OTHER / Nominal defocus max: 2200 nm / Nominal defocus min: 800 nm / Cs: 2.7 mm |
Image recording | Electron dose: 60 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
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CTF correction | Type: NONE | ||||||||||||||||||||||||
3D reconstruction | Resolution: 4.05 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 270651 / Symmetry type: POINT | ||||||||||||||||||||||||
Refine LS restraints |
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