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- EMDB-29455: Structure of Covid Spike variant deltaN135 with one erect RBD -

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Basic information

Entry
Database: EMDB / ID: EMD-29455
TitleStructure of Covid Spike variant deltaN135 with one erect RBD
Map data
Sample
  • Complex: Covid Spike variant deltaN135
    • Protein or peptide: Spike glycoprotein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsCovid Spike / SARS-CoV-2 / VIRAL PROTEIN
Function / homology
Function and homology information


Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane ...Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / entry receptor-mediated virion attachment to host cell / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / membrane fusion / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / virion membrane / membrane / identical protein binding / plasma membrane
Similarity search - Function
Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like ...Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Spike glycoprotein S2, coronavirus, heptad repeat 1 / Spike glycoprotein S2, coronavirus, heptad repeat 2 / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 2 (HR2) region profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 1 (HR1) region profile. / Spike glycoprotein S2 superfamily, coronavirus / Spike glycoprotein S2, coronavirus / Coronavirus spike glycoprotein S2 / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal
Similarity search - Domain/homology
Biological speciesSevere acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 3.08 Å
AuthorsYu X / Juraszek J / Rutten L / Bakkers MJG / Blokland S / Van den Broek NJF / Verwilligen AYW / Abeywickrema P / Vingerhoets J / Neefs J ...Yu X / Juraszek J / Rutten L / Bakkers MJG / Blokland S / Van den Broek NJF / Verwilligen AYW / Abeywickrema P / Vingerhoets J / Neefs J / Bakhash SAM / Roychoudhury P / Greninger A / Sharma S / Langedijk JPM
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: PLoS Pathog / Year: 2023
Title: Convergence of immune escape strategies highlights plasticity of SARS-CoV-2 spike.
Authors: Xiaodi Yu / Jarek Juraszek / Lucy Rutten / Mark J G Bakkers / Sven Blokland / Jelle M Melchers / Niels J F van den Broek / Annemiek Y W Verwilligen / Pravien Abeywickrema / Johan Vingerhoets ...Authors: Xiaodi Yu / Jarek Juraszek / Lucy Rutten / Mark J G Bakkers / Sven Blokland / Jelle M Melchers / Niels J F van den Broek / Annemiek Y W Verwilligen / Pravien Abeywickrema / Johan Vingerhoets / Jean-Marc Neefs / Shah A Mohamed Bakhash / Pavitra Roychoudhury / Alex Greninger / Sujata Sharma / Johannes P M Langedijk /
Abstract: The global spread of the SARS-CoV-2 virus has resulted in emergence of lineages which impact the effectiveness of immunotherapies and vaccines that are based on the early Wuhan isolate. All currently ...The global spread of the SARS-CoV-2 virus has resulted in emergence of lineages which impact the effectiveness of immunotherapies and vaccines that are based on the early Wuhan isolate. All currently approved vaccines employ the spike protein S, as it is the target for neutralizing antibodies. Here we describe two SARS-CoV-2 isolates with unusually large deletions in the N-terminal domain (NTD) of the spike. Cryo-EM structural analysis shows that the deletions result in complete reshaping of the NTD supersite, an antigenically important region of the NTD. For both spike variants the remodeling of the NTD negatively affects binding of all tested NTD-specific antibodies in and outside of the NTD supersite. For one of the variants, we observed a P9L mediated shift of the signal peptide cleavage site resulting in the loss of a disulfide-bridge; a unique escape mechanism with high antigenic impact. Although the observed deletions and disulfide mutations are rare, similar modifications have become independently established in several other lineages, indicating a possibility to become more dominant in the future. The observed plasticity of the NTD foreshadows its broad potential for immune escape with the continued spread of SARS-CoV-2.
History
DepositionJan 16, 2023-
Header (metadata) releaseApr 5, 2023-
Map releaseApr 5, 2023-
UpdateApr 24, 2024-
Current statusApr 24, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_29455.png

Downloads & links

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Map

FileDownload / File: emd_29455.map.gz / Format: CCP4 / Size: 325 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 0.8322 Å
Density
Contour LevelBy AUTHOR: 0.0084
Minimum - Maximum-0.036941636 - 0.0728122
Average (Standard dev.)0.000047227113 (±0.0018097531)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions440440440
Spacing440440440
CellA=B=C: 366.168 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_29455_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_29455_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Covid Spike variant deltaN135

EntireName: Covid Spike variant deltaN135
Components
  • Complex: Covid Spike variant deltaN135
    • Protein or peptide: Spike glycoprotein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: Covid Spike variant deltaN135

SupramoleculeName: Covid Spike variant deltaN135 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Macromolecule #1: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 132.285828 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLLL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFYHKN NKSWMESEFR VYSSANNCTF E YVSQPFLM ...String:
MFVFLVLLLL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFYHKN NKSWMESEFR VYSSANNCTF E YVSQPFLM DLEGKQGNFK NLREFVFKNI DGYFKIYSKH TPINLVRDLP QGFSALEPLV DLPIGINITR FQTLLALHRS YL TPGDSSS GYYVGYLQPR TFLLKYNENG TITDAVDCAL DPLSETKCTL KSFTVEKGIY QTSNFRVQPT ESIVRFPNIT NLC PFGEVF NATRFASVYA WNRKRISNCV ADYSVLYNSA SFSTFKCYGV SPTKLNDLCF TNVYADSFVI RGDEVRQIAP GQTG KIADY NYKLPDDFTG CVIAWNSNNL DSKVGGNYNY LYRLFRKSNL KPFERDISTE IYQAGSTPCN GVKGFNCYFP LQPYG FQPT NGVGYQPYRV VVLSFELLHA PATVCGPKKS TNLVKNKCVN FNFNGLTGTG VLTESNKKFL PFQQFGRDIA DTTDAV RDP QTLEILDITP CSFGGVSVIT PGTNTSNQVA VLYQGVNCTE VPVAIHADQL TPTWRVYSTG SNVFQTRAGC LIGAEHV NN SYECDIPIGA GICASYQTQT NSPSRAGSVA SQSIIAYTMS LGAENSVAYS NNSIAIPTNF TISVTTEILP VSMTKTSV D CTMYICGDST ECSNLLLQYG SFCTQLNRAL TGIAVEQDKN TQEVFAQVKQ IYKTPPIKDF GGFNFSQILP DPSKPSKRS FIEDLLFNKV TLADAGFIKQ YGDCLGDIAA RDLICAQKFN GLTVLPPLLT DEMIAQYTSA LLAGTITSGW TFGAGPALQI PFAMQMAYR FNGIGVTQNV LYENQKLIAN QFNSAIGKIQ DSLSSTPSAL GKLQDVVNQN AQALNTLVKQ LSSNFGAISS V LNDILSRL DKPEAEVQID RLITGRLQSL QTYVTQQLIR AAEIRASANL AATKMSECVL GQSKRVDFCG KGYHLMSFPQ SA PHGVVFL HVTYVPAQEK NFTTAPAICH DGKAHFPREG VFVSNGTHWF VTQRNFYEPQ IITTDNTFVS GNCDVVIGIV NNT VYDPLQ PELDSFKEEL DKYFKNHTSP DVDLGDISGI NASFVNIQKE IDRLNEVAKN LNESLIDLQE LGKYEQ

UniProtKB: Spike glycoprotein

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

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 2 / Number of copies: 48 / 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

BufferpH: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 52.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.4 µm / Nominal defocus min: 1.4000000000000001 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: INSILICO MODEL
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.08 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 378064
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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