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- PDB-9pzq: GluN1/GluN2A in complex with polyclonal autoantibody Fab fragment... -

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Basic information

Entry
Database: PDB / ID: 9pzq
TitleGluN1/GluN2A in complex with polyclonal autoantibody Fab fragments (class 1), glycine- and glutamate-bound state
Components
  • Glutamate receptor ionotropic, NMDA 1
  • Glutamate receptor ionotropic, NMDA 2A
  • polyclonal antibody Fab fragment, termed FabEnc1
KeywordsTRANSPORT PROTEIN / ligand-gated ion channel / NMDA / antibody / complex
Function / homology
Function and homology information


neurotransmitter receptor transport, plasma membrane to endosome / regulation of response to alcohol / response to ammonium ion / receptor recycling / response to environmental enrichment / directional locomotion / positive regulation of Schwann cell migration / pons maturation / regulation of cell communication / EPHB-mediated forward signaling ...neurotransmitter receptor transport, plasma membrane to endosome / regulation of response to alcohol / response to ammonium ion / receptor recycling / response to environmental enrichment / directional locomotion / positive regulation of Schwann cell migration / pons maturation / regulation of cell communication / EPHB-mediated forward signaling / Assembly and cell surface presentation of NMDA receptors / response to hydrogen sulfide / auditory behavior / olfactory learning / conditioned taste aversion / dendritic branch / response to other organism / regulation of respiratory gaseous exchange / regulation of ARF protein signal transduction / protein localization to postsynaptic membrane / cellular response to magnesium ion / serotonin metabolic process / transmitter-gated monoatomic ion channel activity / positive regulation of inhibitory postsynaptic potential / response to methylmercury / suckling behavior / response to manganese ion / response to glycine / response to carbohydrate / propylene metabolic process / sleep / dendritic spine organization / regulation of NMDA receptor activity / locomotion / cellular response to dsRNA / cellular response to lipid / RAF/MAP kinase cascade / regulation of monoatomic cation transmembrane transport / NMDA glutamate receptor activity / Synaptic adhesion-like molecules / voltage-gated monoatomic cation channel activity / response to glycoside / NMDA selective glutamate receptor complex / glutamate binding / ligand-gated sodium channel activity / neurotransmitter receptor complex / response to morphine / glutamate receptor signaling pathway / regulation of axonogenesis / neuromuscular process / calcium ion transmembrane import into cytosol / regulation of dendrite morphogenesis / protein heterotetramerization / male mating behavior / regulation of synapse assembly / glycine binding / spinal cord development / response to amine / cellular response to zinc ion / startle response / parallel fiber to Purkinje cell synapse / positive regulation of reactive oxygen species biosynthetic process / dopamine metabolic process / monoatomic cation transmembrane transport / response to lithium ion / positive regulation of calcium ion transport into cytosol / cellular response to glycine / modulation of excitatory postsynaptic potential / response to light stimulus / regulation of postsynaptic membrane potential / action potential / associative learning / conditioned place preference / excitatory synapse / positive regulation of dendritic spine maintenance / monoatomic ion channel complex / social behavior / monoatomic cation transport / regulation of neuronal synaptic plasticity / glutamate receptor binding / positive regulation of protein targeting to membrane / Unblocking of NMDA receptors, glutamate binding and activation / positive regulation of excitatory postsynaptic potential / long-term memory / neuron development / synaptic cleft / phosphatase binding / prepulse inhibition / positive regulation of synaptic transmission, glutamatergic / multicellular organismal response to stress / postsynaptic density, intracellular component / monoatomic cation channel activity / response to fungicide / calcium ion homeostasis / glutamate-gated receptor activity / cell adhesion molecule binding / regulation of neuron apoptotic process / cellular response to manganese ion / glutamate-gated calcium ion channel activity / presynaptic active zone membrane
Similarity search - Function
Glutamate [NMDA] receptor, epsilon subunit, C-terminal / N-methyl D-aspartate receptor 2B3 C-terminus / : / : / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / Ligand-gated ion channel / : ...Glutamate [NMDA] receptor, epsilon subunit, C-terminal / N-methyl D-aspartate receptor 2B3 C-terminus / : / : / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / Ligand-gated ion channel / : / Ionotropic glutamate receptor / Eukaryotic homologues of bacterial periplasmic substrate binding proteins. / Receptor, ligand binding region / Receptor family ligand binding region / Periplasmic binding protein-like I
Similarity search - Domain/homology
Glutamate receptor ionotropic, NMDA 1 / Glutamate receptor ionotropic, NMDA 2A
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
Mus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.07 Å
AuthorsKim, J. / Jalali-Yazdi, F. / Gouaux, E.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) United States
CitationJournal: To Be Published
Title: GluN1/GluN2A in complex with polyclonal autoantibody Fab fragments (class 1), glycine- and glutamate-bound state
Authors: Kim, J. / Jalali-Yazdi, F. / Gouaux, E.
History
DepositionAug 11, 2025Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 17, 2025Provider: repository / Type: Initial release
Revision 1.0Dec 17, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Dec 17, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Dec 17, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Dec 17, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Dec 17, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Dec 17, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
F: polyclonal antibody Fab fragment, termed FabEnc1
G: polyclonal antibody Fab fragment, termed FabEnc1
A: Glutamate receptor ionotropic, NMDA 1
B: Glutamate receptor ionotropic, NMDA 2A
C: Glutamate receptor ionotropic, NMDA 1
D: Glutamate receptor ionotropic, NMDA 2A


Theoretical massNumber of molelcules
Total (without water)426,6386
Polymers426,6386
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Antibody polyclonal antibody Fab fragment, termed FabEnc1


Mass: 20783.529 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)
#2: Protein Glutamate receptor ionotropic, NMDA 1 / GluN1 / Glutamate [NMDA] receptor subunit zeta-1 / N-methyl-D-aspartate receptor subunit NR1 / NMD-R1


Mass: 95372.164 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: Grin1, Nmdar1 / Production host: Homo sapiens (human) / References: UniProt: P35439
#3: Protein Glutamate receptor ionotropic, NMDA 2A / GluN2A / Glutamate [NMDA] receptor subunit epsilon-1 / N-methyl D-aspartate receptor subtype 2A / ...GluN2A / Glutamate [NMDA] receptor subunit epsilon-1 / N-methyl D-aspartate receptor subtype 2A / NMDAR2A / NR2A


Mass: 97163.359 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: Grin2a / Production host: Homo sapiens (human) / References: UniProt: Q00959
Has protein modificationY

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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: GluN1/GluN2A in complex with polyclonal autoantibody Fab fragments (class 1), glycine- and glutamate-bound state
Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Molecular weightValue: 0.552 MDa / Experimental value: NO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 8
SpecimenConc.: 4 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 290 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 1400 nm
Specimen holderCryogen: NITROGEN
Image recordingElectron dose: 45 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Num. of real images: 4119
EM imaging opticsEnergyfilter name: GIF Bioquantum / Energyfilter slit width: 20 eV

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Processing

EM software
IDNameVersionCategory
1cryoSPARC4.4.0particle selection
9PHENIX1.20.model refinement
10cryoSPARC4.4.0initial Euler assignment
11cryoSPARC4.4.0final Euler assignment
13cryoSPARC4.4.03D reconstruction
CTF correctionType: NONE
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 4.07 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 49231 / Symmetry type: POINT
RefinementHighest resolution: 4.07 Å
Stereochemistry target values: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS)

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