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- PDB-7yfl: Structure of GluN1a-GluN2D NMDA receptor in complex with agonists... -

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Basic information

Entry
Database: PDB / ID: 7yfl
TitleStructure of GluN1a-GluN2D NMDA receptor in complex with agonists glycine and glutamate.
Components(Glutamate receptor ionotropic, NMDA ...) x 2
KeywordsELECTRON TRANSPORT / ion channel / cryo-EM structure / glutamate receptor / synaptic protein
Function / homology
Function and homology information


excitatory chemical synaptic transmission / regulation of sensory perception of pain / cellular response to L-glutamate / Synaptic adhesion-like molecules / propylene metabolic process / response to glycine / voltage-gated monoatomic cation channel activity / regulation of monoatomic cation transmembrane transport / Assembly and cell surface presentation of NMDA receptors / NMDA glutamate receptor activity ...excitatory chemical synaptic transmission / regulation of sensory perception of pain / cellular response to L-glutamate / Synaptic adhesion-like molecules / propylene metabolic process / response to glycine / voltage-gated monoatomic cation channel activity / regulation of monoatomic cation transmembrane transport / Assembly and cell surface presentation of NMDA receptors / NMDA glutamate receptor activity / Neurexins and neuroligins / NMDA selective glutamate receptor complex / glutamate-gated calcium ion channel activity / calcium ion transmembrane import into cytosol / protein heterotetramerization / glutamate binding / positive regulation of reactive oxygen species biosynthetic process / glycine binding / positive regulation of calcium ion transport into cytosol / Negative regulation of NMDA receptor-mediated neuronal transmission / startle response / Unblocking of NMDA receptors, glutamate binding and activation / monoatomic cation transmembrane transport / monoatomic cation transport / regulation of neuronal synaptic plasticity / positive regulation of excitatory postsynaptic potential / ligand-gated monoatomic ion channel activity / Long-term potentiation / excitatory synapse / calcium ion homeostasis / synaptic cleft / glutamate-gated receptor activity / presynaptic active zone membrane / ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential / EPHB-mediated forward signaling / ionotropic glutamate receptor signaling pathway / Ras activation upon Ca2+ influx through NMDA receptor / excitatory postsynaptic potential / hippocampal mossy fiber to CA3 synapse / positive regulation of synaptic transmission, glutamatergic / adult locomotory behavior / synaptic membrane / synaptic transmission, glutamatergic / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / regulation of membrane potential / long-term synaptic potentiation / postsynaptic density membrane / visual learning / regulation of synaptic plasticity / brain development / terminal bouton / synaptic vesicle / signaling receptor activity / amyloid-beta binding / RAF/MAP kinase cascade / chemical synaptic transmission / postsynaptic membrane / response to ethanol / dendritic spine / postsynaptic density / calmodulin binding / neuron projection / glutamatergic synapse / synapse / calcium ion binding / dendrite / protein-containing complex binding / endoplasmic reticulum membrane / cell surface / positive regulation of transcription by RNA polymerase II / plasma membrane / cytoplasm
Similarity search - Function
: / : / Bacterial extracellular solute-binding proteins, family 3 / Solute-binding protein family 3/N-terminal domain of MltF / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / : / Ligand-gated ion channel / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site ...: / : / Bacterial extracellular solute-binding proteins, family 3 / Solute-binding protein family 3/N-terminal domain of MltF / Ionotropic glutamate receptor, metazoa / Ligated ion channel L-glutamate- and glycine-binding site / : / Ligand-gated ion channel / Ionotropic glutamate receptor, L-glutamate and glycine-binding domain / Ligated ion channel L-glutamate- and glycine-binding site / 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
GLUTAMIC ACID / GLYCINE / Glutamate receptor ionotropic, NMDA 2D / Glutamate receptor ionotropic, NMDA 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.9 Å
AuthorsZhang, J.L. / Zhu, S.J. / Zhang, M.
Funding support China, 5items
OrganizationGrant numberCountry
STI2030-Major Project2022ZD0212700 China
National Natural Science Foundation of China (NSFC)32221003 China
Lingang LaboratoryLG 202106-02 China
Strategic Priority Research Program of Chinese Academy of ScienceXDBS01020000 China
Shanghai Municipal Science and Technology Major Project2018SHZDZX05 China
CitationJournal: Nat Struct Mol Biol / Year: 2023
Title: Distinct structure and gating mechanism in diverse NMDA receptors with GluN2C and GluN2D subunits.
Authors: Jilin Zhang / Ming Zhang / Qinrui Wang / Han Wen / Zheyi Liu / Fangjun Wang / Yuhang Wang / Fenyong Yao / Nan Song / Zengwei Kou / Yang Li / Fei Guo / Shujia Zhu /
Abstract: N-methyl-D-aspartate (NMDA) receptors are heterotetramers comprising two GluN1 and two alternate GluN2 (N2A-N2D) subunits. Here we report full-length cryo-EM structures of the human N1-N2D di- ...N-methyl-D-aspartate (NMDA) receptors are heterotetramers comprising two GluN1 and two alternate GluN2 (N2A-N2D) subunits. Here we report full-length cryo-EM structures of the human N1-N2D di-heterotetramer (di-receptor), rat N1-N2C di-receptor and N1-N2A-N2C tri-heterotetramer (tri-receptor) at a best resolution of 3.0 Å. The bilobate N-terminal domain (NTD) in N2D intrinsically adopts a closed conformation, leading to a compact NTD tetramer in the N1-N2D receptor. Additionally, crosslinking the ligand-binding domain (LBD) of two N1 protomers significantly elevated the channel open probability (Po) in N1-N2D di-receptors. Surprisingly, the N1-N2C di-receptor adopted both symmetric (minor) and asymmetric (major) conformations, the latter further locked by an allosteric potentiator, PYD-106, binding to a pocket between the NTD and LBD in only one N2C protomer. Finally, the N2A and N2C subunits in the N1-N2A-N2C tri-receptor display a conformation close to one protomer in the N1-N2A and N1-N2C di-receptors, respectively. These findings provide a comprehensive structural understanding of diverse function in major NMDA receptor subtypes.
History
DepositionJul 8, 2022Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Apr 12, 2023Provider: repository / Type: Initial release
Revision 1.1May 31, 2023Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.2Aug 2, 2023Group: Author supporting evidence / Category: pdbx_audit_support

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Glutamate receptor ionotropic, NMDA 1
B: Glutamate receptor ionotropic, NMDA 2D
C: Glutamate receptor ionotropic, NMDA 1
D: Glutamate receptor ionotropic, NMDA 2D
hetero molecules


Theoretical massNumber of molelcules
Total (without water)389,27922
Polymers384,9254
Non-polymers4,35418
Water00
1


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

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Components

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Glutamate receptor ionotropic, NMDA ... , 2 types, 4 molecules ACBD

#1: Protein Glutamate receptor ionotropic, NMDA 1 / GluN1 / Glutamate [NMDA] receptor subunit zeta-1 / N-methyl-D-aspartate receptor subunit NR1 / NMD-R1


Mass: 95236.078 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GRIN1, NMDAR1 / Plasmid: pEG-BacMam / Cell (production host): Kidney embryonic cells / Cell line (production host): HEK293S GnTI- / Production host: Homo sapiens (human) / References: UniProt: Q05586
#2: Protein Glutamate receptor ionotropic, NMDA 2D / GluN2D / EB11 / Glutamate [NMDA] receptor subunit epsilon-4 / N-methyl D-aspartate receptor subtype ...GluN2D / EB11 / Glutamate [NMDA] receptor subunit epsilon-4 / N-methyl D-aspartate receptor subtype 2D / NMDAR2D / NR2D


Mass: 97226.414 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GRIN2D, GluN2D, NMDAR2D / Plasmid: pEG-BacMam / Cell (production host): Kidney embryonic cells / Cell line (production host): HEK293S GnTI- / Production host: Homo sapiens (human) / References: UniProt: O15399

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Sugars , 2 types, 14 molecules

#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-ROHGlycam 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
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#5: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: C8H15NO6 / Feature type: SUBJECT OF INVESTIGATION
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

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Non-polymers , 2 types, 4 molecules

#4: Chemical ChemComp-GLY / GLYCINE


Type: peptide linking / Mass: 75.067 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H5NO2
#6: Chemical ChemComp-GLU / GLUTAMIC ACID


Type: L-peptide linking / Mass: 147.129 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C5H9NO4

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Details

Has ligand of interestY

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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: NMDA receptor with NMDA 1 incorperated with NMDA 2D / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightValue: 384.54 kDa/nm / Experimental value: NO
Source (natural)Organism: Homo sapiens (human) / Strain: Homo sapiens / Cellular location: plasma membrane / Organ: brain / Organelle: synapse / Tissue: brain
Source (recombinant)Organism: Homo sapiens (human) / Strain: Homo sapiens / Cell: Kidney embryonic cells / Plasmid: pEG-BacMam
Buffer solutionpH: 8
SpecimenConc.: 4 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: This sample was monodisperse
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 281 K / Details: Blot for 3 seconds before plunging

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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 defocus max: 2500 nm / Nominal defocus min: 1500 nm
Image recordingElectron dose: 60 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: DIRECT ELECTRON DE-10 (5k x 4k) / Num. of grids imaged: 1 / Num. of real images: 3840
Image scansMovie frames/image: 40 / Used frames/image: 1-40

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Processing

SoftwareName: PHENIX / Version: 1.20.1_4487: / Classification: refinement
EM software
IDNameVersionCategory
4GctfCTF correction
7UCSF Chimeramodel fitting
9RELION3.1.1initial Euler assignment
10cryoSPARCinitial Euler assignment
11cryoSPARCfinal Euler assignment
12cryoSPARCclassification
13cryoSPARC3D reconstruction
14PHENIX1.20.1-4487model refinement
CTF correctionType: NONE
Particle selectionNum. of particles selected: 505204
SymmetryPoint symmetry: C2 (2 fold cyclic)
3D reconstructionResolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 232194 / Num. of class averages: 2 / Symmetry type: POINT
Atomic model buildingB value: 220 / Protocol: FLEXIBLE FIT / Space: REAL / Target criteria: Correlation coefficient
Atomic model buildingPDB-ID: 6WI1

6wi1


Accession code: 6WI1 / Source name: PDB / Type: experimental model
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00420360
ELECTRON MICROSCOPYf_angle_d0.58627792
ELECTRON MICROSCOPYf_dihedral_angle_d4.9113008
ELECTRON MICROSCOPYf_chiral_restr0.0443340
ELECTRON MICROSCOPYf_plane_restr0.0053552

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