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- EMDB-64361: native NMDA receptor-GluN1/N2A/N2B-S1 in the closed state -

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Basic information

Entry
Database: EMDB / ID: EMD-64361
Titlenative NMDA receptor-GluN1/N2A/N2B-S1 in the closed state
Map data
Sample
  • Complex: native NMDA receptor-GluN1/N2A/N2B-S1 in the closed state
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 1
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 2A
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 2B
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: GLYCINE
  • Ligand: GLUTAMIC ACID
  • Ligand: (2~{S})-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one
Keywordsnative / NMDA receptor / ionotropic ion channel / excitatory neurotransmitter / MEMBRANE PROTEIN
Function / homology
Function and homology information


Assembly and cell surface presentation of NMDA receptors / Synaptic adhesion-like molecules / EPHB-mediated forward signaling / Unblocking of NMDA receptors, glutamate binding and activation / neurotransmitter receptor transport, plasma membrane to endosome / RAF/MAP kinase cascade / receptor recycling / sensory organ development / directional locomotion / pons maturation ...Assembly and cell surface presentation of NMDA receptors / Synaptic adhesion-like molecules / EPHB-mediated forward signaling / Unblocking of NMDA receptors, glutamate binding and activation / neurotransmitter receptor transport, plasma membrane to endosome / RAF/MAP kinase cascade / receptor recycling / sensory organ development / directional locomotion / pons maturation / regulation of cAMP/PKA signal transduction / regulation of cell communication / positive regulation of Schwann cell migration / sensitization / olfactory learning / conditioned taste aversion / dendritic branch / fear response / regulation of respiratory gaseous exchange / apical dendrite / protein localization to postsynaptic membrane / serotonin metabolic process / regulation of ARF protein signal transduction / transmitter-gated monoatomic ion channel activity / suckling behavior / positive regulation of inhibitory postsynaptic potential / interleukin-1 receptor binding / sleep / propylene metabolic process / response to glycine / locomotion / dendritic spine organization / negative regulation of dendritic spine maintenance / heterocyclic compound binding / positive regulation of glutamate secretion / regulation of monoatomic cation transmembrane transport / NMDA glutamate receptor activity / NMDA selective glutamate receptor complex / voltage-gated monoatomic cation channel activity / glutamate binding / neurotransmitter receptor complex / ligand-gated sodium channel activity / glutamate receptor signaling pathway / regulation of axonogenesis / calcium ion transmembrane import into cytosol / neuromuscular process / transport vesicle membrane / response to morphine / regulation of dendrite morphogenesis / protein heterotetramerization / male mating behavior / regulation of synapse assembly / glycine binding / small molecule binding / receptor clustering / startle response / cellular response to zinc ion / ligand-gated monoatomic ion channel activity / dopamine metabolic process / positive regulation of reactive oxygen species biosynthetic process / parallel fiber to Purkinje cell synapse / response to lithium ion / behavioral response to pain / monoatomic cation transmembrane transport / regulation of MAPK cascade / monoatomic ion channel complex / positive regulation of calcium ion transport into cytosol / regulation of postsynaptic membrane potential / action potential / extracellularly glutamate-gated ion channel activity / modulation of excitatory postsynaptic potential / associative learning / positive regulation of dendritic spine maintenance / regulation of neuronal synaptic plasticity / monoatomic cation transport / social behavior / positive regulation of protein targeting to membrane / glutamate receptor binding / prepulse inhibition / detection of mechanical stimulus involved in sensory perception of pain / long-term memory / positive regulation of synaptic transmission / phosphatase binding / positive regulation of synaptic transmission, glutamatergic / postsynaptic density, intracellular component / behavioral fear response / monoatomic cation channel activity / synaptic cleft / calcium ion homeostasis / glutamate-gated receptor activity / regulation of long-term synaptic depression / D2 dopamine receptor binding / glutamate-gated calcium ion channel activity / neurogenesis / presynaptic active zone membrane / cell adhesion molecule binding / dendrite membrane / excitatory synapse / ionotropic glutamate receptor binding / sensory perception of pain
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 2A / Glutamate receptor ionotropic, NMDA 1 / Glutamate receptor ionotropic, NMDA 2B
Similarity search - Component
Biological speciesMus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.98 Å
AuthorsYu J / Xu RS / Ge JP
Funding support China, 1 items
OrganizationGrant numberCountry
Chinese Academy of Sciences China
CitationJournal: To Be Published
Title: Conformational diversity and fully opening mechanism of native NMDA receptor
Authors: Yu J / Xu RS / Ge JP
History
DepositionApr 24, 2025-
Header (metadata) releaseFeb 18, 2026-
Map releaseFeb 18, 2026-
UpdateFeb 18, 2026-
Current statusFeb 18, 2026Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_64361.png

Downloads & links

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Map

FileDownload / File: emd_64361.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 400 pix.
= 422. Å		1.06 Å/pix.
x 400 pix.
= 422. Å		1.06 Å/pix.
x 400 pix.
= 422. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.055 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.15
Minimum - Maximum-0.5454281 - 6.310814
Average (Standard dev.)0.009684614 (±0.035071213)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 421.99997 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : native NMDA receptor-GluN1/N2A/N2B-S1 in the closed state

EntireName: native NMDA receptor-GluN1/N2A/N2B-S1 in the closed state
Components
  • Complex: native NMDA receptor-GluN1/N2A/N2B-S1 in the closed state
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 1
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 2A
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 2B
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: GLYCINE
  • Ligand: GLUTAMIC ACID
  • Ligand: (2~{S})-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one

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Supramolecule #1: native NMDA receptor-GluN1/N2A/N2B-S1 in the closed state

SupramoleculeName: native NMDA receptor-GluN1/N2A/N2B-S1 in the closed state
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Source (natural)Organism: Mus musculus (house mouse)

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Macromolecule #1: Glutamate receptor ionotropic, NMDA 1

MacromoleculeName: Glutamate receptor ionotropic, NMDA 1 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 92.154289 KDa
SequenceString: KIVNIGAVLS TRKHEQMFRE AVNQANKRHG SWKIQLNATS VTHKPNAIQM ALSVCEDLIS SQVYAILVSH PPTPNDHFTP TPVSYTAGF YRIPVLGLTT RMSIYSDKSI HLSFLRTVPP YSHQSSVWFE MMRVYNWNHI ILLVSDDHEG RAAQKRLETL L EERESKAE ...String:
KIVNIGAVLS TRKHEQMFRE AVNQANKRHG SWKIQLNATS VTHKPNAIQM ALSVCEDLIS SQVYAILVSH PPTPNDHFTP TPVSYTAGF YRIPVLGLTT RMSIYSDKSI HLSFLRTVPP YSHQSSVWFE MMRVYNWNHI ILLVSDDHEG RAAQKRLETL L EERESKAE KVLQFDPGTK NVTALLMEAR DLEARVIILS ASEDDAATVY RAAAMLNMTG SGYVWLVGER EISGNALRYA PD GIIGLQL INGKNESAHI SDAVGVVAQA VHELLEKENI TDPPRGCVGN TNIWKTGPLF KRVLMSSKYA DGVTGRVEFN EDG DRKFAN YSIMNLQNRK LVQVGIYNGT HVIPNDRKII WPGGETEKPR GYQMSTRLKI VTIHQEPFVY VKPTMSDGTC KEEF TVNGD PVKKVICTGP NDTSPGSPRH TVPQCCYGFC VDLLIKLART MNFTYEVHLV ADGKFGTQER VNNSNKKEWN GMMGE LLSG QADMIVAPLT INNERAQYIE FSKPFKYQGL TILVKKEIPR STLDSFMQPF QSTLWLLVGL SVHVVAVMLY LLDRFS PFG RFKVNSEEEE EDALTLSSAM WFSWGVLLNS GIGEGAPRSF SARILGMVWA GFAMIIVASY TANLAAFLVL DRPEERI TG INDPRLRNPS DKFIYATVKQ SSVDIYFRRQ VELSTMYRHM EKHNYESAAE AIQAVRDNKL HAFIWDSAVL EFEASQKC D LVTTGELFFR SGFGIGMRKD SPWKQNVSLS ILKSHENGFM EDLDKTWVRY QECDSRSNAP ATLTFENMAG VFMLVAGGI VAGIFLIFIE IAYKRHKDA

UniProtKB: Glutamate receptor ionotropic, NMDA 1

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Macromolecule #2: Glutamate receptor ionotropic, NMDA 2A

MacromoleculeName: Glutamate receptor ionotropic, NMDA 2A / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 90.779812 KDa
SequenceString: ALNIAVLLGH SHDVTERELR NLWGPEQATG LPLDVNVVAL LMNRTDPKSL ITHVCDLMSG ARIHGLVFGD DTDQEAVAQM LDFISSQTF IPILGIHGGA SMIMADKDPT STFFQFGASI QQQATVMLKI MQDYDWHVFS LVTTIFPGYR DFISFIKTTV D NSFVGWDM ...String:
ALNIAVLLGH SHDVTERELR NLWGPEQATG LPLDVNVVAL LMNRTDPKSL ITHVCDLMSG ARIHGLVFGD DTDQEAVAQM LDFISSQTF IPILGIHGGA SMIMADKDPT STFFQFGASI QQQATVMLKI MQDYDWHVFS LVTTIFPGYR DFISFIKTTV D NSFVGWDM QNVITLDTSF EDAKTQVQLK KIHSSVILLY CSKDEAVLIL SEARSLGLTG YDFFWIVPSL VSGNTELIPK EF PSGLISV SYDDWDYSLE ARVRDGLGIL TTAASSMLEK FSYIPEAKAS CYGQTEKPET PLHTLHQFMV NVTWDGKDLS FTE EGYQVH PRLVVIVLNK DREWEKVGKW ENQTLSLRHA VWPRYKSFSD CEPDDNHLSI VTLEEAPFVI VEDIDPLTET CVRN TVPCR KFVKINNSTN EGMNVKKCCK GFCIDILKKL SRTVKFTYDL YLVTNGKHGK KVNNVWNGMI GEVVYQRAVM AVGSL TINE ERSEVVDFSV PFVETGISVM VSRSNGTVSP SAFLEPFSAS VWVMMFVMLL IVSAIAVFVF EYFSPVGYNR NLAKGK APH GPSFTIGKAI WLLWGLVFNN SVPVQNPKGT TSKIMVSVWA FFAVIFLASY TANLAAFMIQ EEFVDQVTGL SDKKFQR PH DYSPPFRFGT VPNGSTERNI RNNYPYMHQY MTKFNQRGVE DALVSLKTGK LDAFIYDAAV LNYKAGRDEG CKLVTIGS G YIFATTGYGI ALQKGSPWKR QIDLALLQFV GDGEMEELET LWLTGICHNE KNEVMSSQLD IDNMAGVFYM LAAAMALSL ITFIWEHLF

UniProtKB: Glutamate receptor ionotropic, NMDA 2A

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Macromolecule #3: Glutamate receptor ionotropic, NMDA 2B

MacromoleculeName: Glutamate receptor ionotropic, NMDA 2B / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 90.6105 KDa
SequenceString: SIGIAVILVG TSDEVAIKDA HEKDDFHHLS VVPRVELVAM NETDPKSIIT RICDLMSDRK IQGVVLADDT DQEAIAQILD FISAQTLTP ILGIHGGSSM IMADKDESSM FFQFGPSIEQ QASVMLNIME EYDWYIFSIV TTYFPGYQDF VNKIRSTIEN S FVGWELEE ...String:
SIGIAVILVG TSDEVAIKDA HEKDDFHHLS VVPRVELVAM NETDPKSIIT RICDLMSDRK IQGVVLADDT DQEAIAQILD FISAQTLTP ILGIHGGSSM IMADKDESSM FFQFGPSIEQ QASVMLNIME EYDWYIFSIV TTYFPGYQDF VNKIRSTIEN S FVGWELEE VLLLDMSLDD GDSKIQNQLK KLQSPIILLY CTKEEATYIF EVANSVGLTG YGYTWIVPSL VAGDTDTVPS EF PTGLISV SYDEWDYGLP ARVRDGIAII TTAASDMLSE HSFIPEPKSS CYNTHEKRIY QSNMLNRYLI NVTFEGRNLS FSE DGYQMH PKLVIILLNK ERKWERVGKW KDKSLQMKYY VWPRMCPETE EQEDDHLSIV TLEEAPFVIV ESVDPLSGTC MRNT VPCQK RIISENKTDE EPGYIKKCCK GFCIDILKKI SKSVKFTYDL YLVTNGKHGK KINGTWNGMI GEVVMKRAYM AVGSL TINE ERSEVVDFSV PFIETGISVM VSRSNGTVSP SAFLEPFSAD VWVMMFVMLL IVSAVAVFVF EYFSPVGYNR CLADGR EPG GPSFTIGKAI WLLWGLVFNN SVPVQNPKGT TSKIMVSVWA FFAVIFLASY TANLAAFMIQ EEYVDQVSGL SDKKFQR PN DFSPPFRFGT VPNGSTERNI RNNYAEMHAY MGKFNQRGVD DALLSLKTGK LDAFIYDAAV LNYMAGRDEG CKLVTIGS G KVFASTGYGI AIQKDSGWKR QVDLAILQLF GDGEMEELEA LWLTGICHNE KNEVMSSQLD IDNMAGVFYM LGAAMALSL ITFICEHL

UniProtKB: Glutamate receptor ionotropic, NMDA 2B

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Macromolecule #4: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 4 / Number of copies: 19 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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Macromolecule #5: GLYCINE

MacromoleculeName: GLYCINE / type: ligand / ID: 5 / Number of copies: 2 / Formula: GLY
Molecular weightTheoretical: 75.067 Da
Chemical component information

ChemComp-GLY:
GLYCINE

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Macromolecule #6: GLUTAMIC ACID

MacromoleculeName: GLUTAMIC ACID / type: ligand / ID: 6 / Number of copies: 2 / Formula: GLU
Molecular weightTheoretical: 147.129 Da
Chemical component information

ChemComp-GLU:
GLUTAMIC ACID

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Macromolecule #7: (2~{S})-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one

MacromoleculeName: (2~{S})-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one
type: ligand / ID: 7 / Number of copies: 1 / Formula: JC9
Molecular weightTheoretical: 237.725 Da
Chemical component information

ChemComp-JC9:
(2~{S})-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one / antidepressant*YM

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 50 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: NONE
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7eu7

Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.98 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 343745
Initial angle assignmentType: RANDOM ASSIGNMENT
Final angle assignmentType: MAXIMUM LIKELIHOOD

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