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- EMDB-72083: Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer -

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Basic information

Entry
Database: EMDB / ID: EMD-72083
TitleNative GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer
Map data
Sample
  • Complex: Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 1
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 2A
    • Protein or peptide: Heavy chain of GluN1-specific monoclonal Fab fragment, termed 5F11
    • Protein or peptide: Light chain of GluN1-specific monoclonal Fab fragment, termed 5F11
    • Protein or peptide: Heavy chain of GluN2A-specific monoclonal Fab fragment, termed 3D2
    • Protein or peptide: Light chain of GluN2A-specific monoclonal Fab fragment, termed 3D2
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
Keywordsligand-gated ion channel / NMDA / antibody / native / TRANSPORT 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 / RAF/MAP kinase cascade / directional locomotion / pons maturation / regulation of cell communication / olfactory learning / conditioned taste aversion ...Assembly and cell surface presentation of NMDA receptors / Synaptic adhesion-like molecules / EPHB-mediated forward signaling / Unblocking of NMDA receptors, glutamate binding and activation / RAF/MAP kinase cascade / directional locomotion / pons maturation / regulation of cell communication / olfactory learning / conditioned taste aversion / regulation of respiratory gaseous exchange / protein localization to postsynaptic membrane / serotonin metabolic process / suckling behavior / propylene metabolic process / sleep / locomotion / regulation of monoatomic cation transmembrane transport / NMDA glutamate receptor activity / NMDA selective glutamate receptor complex / neurotransmitter receptor complex / ligand-gated sodium channel activity / response to morphine / glutamate receptor signaling pathway / regulation of axonogenesis / neuromuscular process / calcium ion transmembrane import into cytosol / regulation of dendrite morphogenesis / transport vesicle membrane / protein heterotetramerization / male mating behavior / regulation of synapse assembly / glycine binding / startle response / dopamine metabolic process / monoatomic cation transmembrane transport / regulation of postsynaptic membrane potential / associative learning / social behavior / regulation of neuronal synaptic plasticity / monoatomic cation transport / positive regulation of excitatory postsynaptic potential / long-term memory / prepulse inhibition / positive regulation of synaptic transmission, glutamatergic / monoatomic cation channel activity / calcium ion homeostasis / regulation of neuron apoptotic process / glutamate-gated calcium ion channel activity / neurogenesis / sensory perception of pain / ionotropic glutamate receptor signaling pathway / sodium ion transmembrane transport / synaptic membrane / cytoplasmic vesicle membrane / response to amphetamine / adult locomotory behavior / learning / regulation of membrane potential / synaptic transmission, glutamatergic / excitatory postsynaptic potential / locomotory behavior / protein catabolic process / regulation of long-term neuronal synaptic plasticity / neuron cellular homeostasis / postsynaptic density membrane / cerebral cortex development / regulation of synaptic plasticity / negative regulation of protein catabolic process / visual learning / modulation of chemical synaptic transmission / calcium ion transmembrane transport / response to wounding / calcium channel activity / memory / long-term synaptic potentiation / intracellular calcium ion homeostasis / synaptic vesicle / synaptic vesicle membrane / calcium ion transport / growth cone / presynaptic membrane / response to ethanol / dendritic spine / chemical synaptic transmission / negative regulation of neuron apoptotic process / postsynaptic membrane / transcription by RNA polymerase II / learning or memory / calmodulin binding / neuron projection / postsynapse / postsynaptic density / positive regulation of apoptotic process / response to xenobiotic stimulus / signaling receptor binding / calcium ion binding / synapse / dendrite / endoplasmic reticulum 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 2A / Glutamate receptor ionotropic, NMDA 1
Similarity search - Component
Biological speciesMus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.92 Å
AuthorsKim J / Gouaux E
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) United States
CitationJournal: To Be Published
Title: Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer
Authors: Kim J / Gouaux E
History
DepositionAug 11, 2025-
Header (metadata) releaseDec 17, 2025-
Map releaseDec 17, 2025-
UpdateDec 17, 2025-
Current statusDec 17, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_72083.png

Downloads & links

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Map

FileDownload / File: emd_72083.map.gz / Format: CCP4 / Size: 144.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.39 Å/pix.
x 336 pix.
= 468.384 Å		1.39 Å/pix.
x 336 pix.
= 468.384 Å		1.39 Å/pix.
x 336 pix.
= 468.384 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.394 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.036
Minimum - Maximum-0.07912517 - 0.25505927
Average (Standard dev.)0.00017227723 (±0.0029708657)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions336336336
Spacing336336336
CellA=B=C: 468.38403 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: Local filtered map

Fileemd_72083_additional_1.map
AnnotationLocal filtered map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_72083_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_72083_half_map_2.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer

EntireName: Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer
Components
  • Complex: Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 1
    • Protein or peptide: Glutamate receptor ionotropic, NMDA 2A
    • Protein or peptide: Heavy chain of GluN1-specific monoclonal Fab fragment, termed 5F11
    • Protein or peptide: Light chain of GluN1-specific monoclonal Fab fragment, termed 5F11
    • Protein or peptide: Heavy chain of GluN2A-specific monoclonal Fab fragment, termed 3D2
    • Protein or peptide: Light chain of GluN2A-specific monoclonal Fab fragment, termed 3D2
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer

SupramoleculeName: Native GluN1/GluN2A in complex with 5F11 and 3D2 Fabs, local ATD dimer
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#6
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 230 KDa

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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: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 105.61782 KDa
SequenceString: MSTMHLLTFA LLFSCSFARA ACDPKIVNIG AVLSTRKHEQ MFREAVNQAN KRHGSWKIQL NATSVTHKPN AIQMALSVCE DLISSQVYA ILVSHPPTPN DHFTPTPVSY TAGFYRIPVL GLTTRMSIYS DKSIHLSFLR TVPPYSHQSS VWFEMMRVYN W NHIILLVS ...String:
MSTMHLLTFA LLFSCSFARA ACDPKIVNIG AVLSTRKHEQ MFREAVNQAN KRHGSWKIQL NATSVTHKPN AIQMALSVCE DLISSQVYA ILVSHPPTPN DHFTPTPVSY TAGFYRIPVL GLTTRMSIYS DKSIHLSFLR TVPPYSHQSS VWFEMMRVYN W NHIILLVS DDHEGRAAQK RLETLLEERE SKAEKVLQFD PGTKNVTALL MEARDLEARV IILSASEDDA ATVYRAAAML NM TGSGYVW LVGEREISGN ALRYAPDGII GLQLINGKNE SAHISDAVGV VAQAVHELLE KENITDPPRG CVGNTNIWKT GPL FKRVLM SSKYADGVTG RVEFNEDGDR KFANYSIMNL QNRKLVQVGI YNGTHVIPND RKIIWPGGET EKPRGYQMST RLKI VTIHQ EPFVYVKPTM SDGTCKEEFT VNGDPVKKVI CTGPNDTSPG SPRHTVPQCC YGFCVDLLIK LARTMNFTYE VHLVA DGKF GTQERVNNSN KKEWNGMMGE LLSGQADMIV APLTINNERA QYIEFSKPFK YQGLTILVKK EIPRSTLDSF MQPFQS TLW LLVGLSVHVV AVMLYLLDRF SPFGRFKVNS EEEEEDALTL SSAMWFSWGV LLNSGIGEGA PRSFSARILG MVWAGFA MI IVASYTANLA AFLVLDRPEE RITGINDPRL RNPSDKFIYA TVKQSSVDIY FRRQVELSTM YRHMEKHNYE SAAEAIQA V RDNKLHAFIW DSAVLEFEAS QKCDLVTTGE LFFRSGFGIG MRKDSPWKQN VSLSILKSHE NGFMEDLDKT WVRYQECDS RSNAPATLTF ENMAGVFMLV AGGIVAGIFL IFIEIAYKRH KDARRKQMQL AFAAVNVWRK NLQDRKSGRA EPDPKKKATF RAITSTLAS SFKRRRSSKD TSTGGGRGAL QNQKDTVLPR RAIEREEGQL QLCSRHRES

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: 165.619891 KDa
SequenceString: MGRLGYWTLL VLPALLVWHG PAQNAAAEKG TPALNIAVLL GHSHDVTERE LRNLWGPEQA TGLPLDVNVV ALLMNRTDPK SLITHVCDL MSGARIHGLV FGDDTDQEAV AQMLDFISSQ TFIPILGIHG GASMIMADKD PTSTFFQFGA SIQQQATVML K IMQDYDWH ...String:
MGRLGYWTLL VLPALLVWHG PAQNAAAEKG TPALNIAVLL GHSHDVTERE LRNLWGPEQA TGLPLDVNVV ALLMNRTDPK SLITHVCDL MSGARIHGLV FGDDTDQEAV AQMLDFISSQ TFIPILGIHG GASMIMADKD PTSTFFQFGA SIQQQATVML K IMQDYDWH VFSLVTTIFP GYRDFISFIK TTVDNSFVGW DMQNVITLDT SFEDAKTQVQ LKKIHSSVIL LYCSKDEAVL IL SEARSLG LTGYDFFWIV PSLVSGNTEL IPKEFPSGLI SVSYDDWDYS LEARVRDGLG ILTTAASSML EKFSYIPEAK ASC YGQTEK PETPLHTLHQ FMVNVTWDGK DLSFTEEGYQ VHPRLVVIVL NKDREWEKVG KWENQTLSLR HAVWPRYKSF SDCE PDDNH LSIVTLEEAP FVIVEDIDPL TETCVRNTVP CRKFVKINNS TNEGMNVKKC CKGFCIDILK KLSRTVKFTY DLYLV TNGK HGKKVNNVWN GMIGEVVYQR AVMAVGSLTI NEERSEVVDF SVPFVETGIS VMVSRSNGTV SPSAFLEPFS ASVWVM MFV MLLIVSAIAV FVFEYFSPVG YNRNLAKGKA PHGPSFTIGK AIWLLWGLVF NNSVPVQNPK GTTSKIMVSV WAFFAVI FL ASYTANLAAF MIQEEFVDQV TGLSDKKFQR PHDYSPPFRF GTVPNGSTER NIRNNYPYMH QYMTKFNQRG VEDALVSL K TGKLDAFIYD AAVLNYKAGR DEGCKLVTIG SGYIFATTGY GIALQKGSPW KRQIDLALLQ FVGDGEMEEL ETLWLTGIC HNEKNEVMSS QLDIDNMAGV FYMLAAAMAL SLITFIWEHL FYWKLRFCFT GVCSDRPGLL FSISRGIYSC IHGVHIEEKK KSPDFNLTG SQSNMLKLLR SAKNISNMSN MNSSRMDSPK RAADFIQRGS LIVDMVSDKG NLIYSDNRSF QGKDSIFGEN M NELQTFVA NRHKDSLSNY VFQGQHPLTL NESNPNTVEV AVSTESKGNS RPRQLWKKSM ESLRQDSLNQ NPVSQRDEKT AE NRTHSLK SPRYLPEEVA HSDISETSSR ATCHREPDNN KNHKTKDNFK RSMASKYPKD CSEVERTYVK TKASSPRDKI YTI DGEKEP SFHLDPPQFI ENIVLPENVD FPDTYQDHNE NFRKGDSTLP MNRNPLHNED GLPNNDQYKL YAKHFTLKDK GSPH SEGSD RYRQNSTHCR SCLSNLPTYS GHFTMRSPFK CDACLRMGNL YDIDEDQMLQ ETGNPATREE AYQQDWSQNN ALQFQ KNKL KINRQHSYDN ILDKPREIDL SRPSRSISLK DRERLLEGNL YGSLFSVPSS KLLGNKSSLF PQGLEDSKRS KSLLPD HTS DNPFLHTYGD DQRLVIGRCP SDPYKHSLPS QAVNDSYLRS SLRSTASYCS RDSRGHSDVY ISEHVMPYAA NKNNMYS TP RVLNSCSNRR VYKKMPSIES DV

UniProtKB: Glutamate receptor ionotropic, NMDA 2A

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Macromolecule #3: Heavy chain of GluN1-specific monoclonal Fab fragment, termed 5F11

MacromoleculeName: Heavy chain of GluN1-specific monoclonal Fab fragment, termed 5F11
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 29.432527 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MVSAIVLYVL LAAAAHSAFA QGQMQQSGAE LVKPGASVKL SCKTSGFSFS TSYINWLKQK PGQSLEWIAW IYAGTDGTSY NQKFTDKAQ LTVDTSSSTA YMQFSSLTTD DSAIYYCARE GIYYGNYAGF TYWGQGTLVT VSAAKTTPPS VYPLAPGSAA Q TNSMVTLG ...String:
MVSAIVLYVL LAAAAHSAFA QGQMQQSGAE LVKPGASVKL SCKTSGFSFS TSYINWLKQK PGQSLEWIAW IYAGTDGTSY NQKFTDKAQ LTVDTSSSTA YMQFSSLTTD DSAIYYCARE GIYYGNYAGF TYWGQGTLVT VSAAKTTPPS VYPLAPGSAA Q TNSMVTLG CLVKGYFPEP VTVTWNSGSL SSGVHTFPAV LQSDLYTLSS SVTVPSSTWP SETVTCNVAH PASSTKVDKK LV PRGSAAA AGTGSGGGDY KDHDGDYKDH DIDYKDDDDK

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Macromolecule #4: Light chain of GluN1-specific monoclonal Fab fragment, termed 5F11

MacromoleculeName: Light chain of GluN1-specific monoclonal Fab fragment, termed 5F11
type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 26.909961 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MVSAIVLYVL LAAAAHSAFA DIVMTQSPSS LAVTAGEKVT MRCKSSQSLL WSVNQNNYLS WYQQKQGQPP KLLIYGASIR ESWVPDRFT GSGSGTDFTL TISNVHAEDL AVYYCQHNHG SFLPYTFGGG TKLEIKRADA APTVSIFPPS SEQLTSGGAS V VCFLNNFY ...String:
MVSAIVLYVL LAAAAHSAFA DIVMTQSPSS LAVTAGEKVT MRCKSSQSLL WSVNQNNYLS WYQQKQGQPP KLLIYGASIR ESWVPDRFT GSGSGTDFTL TISNVHAEDL AVYYCQHNHG SFLPYTFGGG TKLEIKRADA APTVSIFPPS SEQLTSGGAS V VCFLNNFY PKDINVKWKI DGSERQNGVL NSWTDQDSKD STYSMSSTLT LTKDEYERHN SYTCEATHKT STSPIVKSFN RN ECSN

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Macromolecule #5: Heavy chain of GluN2A-specific monoclonal Fab fragment, termed 3D2

MacromoleculeName: Heavy chain of GluN2A-specific monoclonal Fab fragment, termed 3D2
type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 15.448522 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MVSAIVLYVL LAAAAHSAFA QVQLQQSGAE LMKPGASVKI SCKATGYTFR SYWIEWLKQR PGHGLEWIGE ILPGSGRTNY NEKFKGKAT ITADTSSNTA YMQLSSLTSE DSAVYYCTRS RGTMITREFT YWGQGALVTV SA

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Macromolecule #6: Light chain of GluN2A-specific monoclonal Fab fragment, termed 3D2

MacromoleculeName: Light chain of GluN2A-specific monoclonal Fab fragment, termed 3D2
type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 13.989831 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MVSAIVLYVL LAAAAHSAFA DIVLTQSPAS LAVSLGQRAT ISCRASESVE YYGTTLMQWY QQKPGQPPKL LIYAASNVDS GVPARFSGS GSGTDFSLNI HPVEEDDIAM YFCQQSRKVP STFGGGTKLE IK

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Macromolecule #8: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 8 / Number of copies: 9 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

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

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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

Concentration0.05 mg/mL
BufferpH: 8
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 290 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeTFS KRIOS
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Number real images: 9851 / Average electron dose: 65.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.0 µm
Sample stageCooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: NONE
Startup modelType of model: INSILICO MODEL / In silico model: Ab initio model from 2D class average
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.92 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.4.0) / Number images used: 624529
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.4.0)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.4.0)
FSC plot (resolution estimation)

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