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- EMDB-34974: SARS-CoV-2 Delta variant spike protein -

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Basic information

Entry
Database: EMDB / ID: EMD-34974
TitleSARS-CoV-2 Delta variant spike protein
Map data
Sample
  • Complex: SARS-CoV-2 Delta variant spike protein
    • Protein or peptide: Spike glycoprotein
KeywordsSARS-CoV-2 / Delta / Spike protein / 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 / entry receptor-mediated virion attachment to host cell ...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 / entry receptor-mediated virion attachment to host cell / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / membrane fusion / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / 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 / identical protein binding / membrane / 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 / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein, betacoronavirus / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus ...Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein, betacoronavirus / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S2, coronavirus, heptad repeat 1 / Spike glycoprotein S2, coronavirus, heptad repeat 2 / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 1 (HR1) region profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 2 (HR2) region profile. / Spike glycoprotein S2 superfamily, coronavirus / Spike glycoprotein S2, coronavirus / Coronavirus spike glycoprotein S2
Similarity search - Domain/homology
Biological speciesSevere acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsXu J / Cheng H / Liu N / Wang HW
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: To Be Published
Title: Self-assembled monolayers guided free-standing atomic-crystal/molecule superstructure
Authors: Zheng L / Xu J / Wang W / Gao X / Liu N / Wang HW / Peng HL
History
DepositionDec 15, 2022-
Header (metadata) releaseDec 20, 2023-
Map releaseDec 20, 2023-
UpdateDec 20, 2023-
Current statusDec 20, 2023Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_34974.png

Downloads & links

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Map

FileDownload / File: emd_34974.map.gz / Format: CCP4 / Size: 512 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.86 Å/pix.
x 512 pix.
= 440.32 Å		0.86 Å/pix.
x 512 pix.
= 440.32 Å		0.86 Å/pix.
x 512 pix.
= 440.32 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.86 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.7
Minimum - Maximum-4.942864 - 8.683083
Average (Standard dev.)-0.0011288939 (±0.11548174)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions512512512
Spacing512512512
CellA=B=C: 440.32 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_34974_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_34974_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 : SARS-CoV-2 Delta variant spike protein

EntireName: SARS-CoV-2 Delta variant spike protein
Components
  • Complex: SARS-CoV-2 Delta variant spike protein
    • Protein or peptide: Spike glycoprotein

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Supramolecule #1: SARS-CoV-2 Delta variant spike protein

SupramoleculeName: SARS-CoV-2 Delta variant spike protein / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all / Details: on graphene membranes
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
Details: For issue of poor atom inclusion, the depositor stated 'we have tried our best to fit the coordinates in the density map of spike via rigid-body dock. However, the flexibility of RBD makes ...Details: For issue of poor atom inclusion, the depositor stated 'we have tried our best to fit the coordinates in the density map of spike via rigid-body dock. However, the flexibility of RBD makes it hard to fit, which seems to be general for spike proteins.'
Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 138.842375 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MPRGPVAALL LLILHGAWSC VNLTTRTQLP PAYTNSFTRG VYYPDKVFRS SVLHSTQDLF LPFFSNVTWF HVISGTNGTK RFDNPVLPF NDGVYFASIE KSNIIRGWIF GTTLDSKTQS LLIVNNATNV VIKVCEFQFC NDPFLDHKNN KSWMESEFRV Y SSANNCTF ...String:
MPRGPVAALL LLILHGAWSC VNLTTRTQLP PAYTNSFTRG VYYPDKVFRS SVLHSTQDLF LPFFSNVTWF HVISGTNGTK RFDNPVLPF NDGVYFASIE KSNIIRGWIF GTTLDSKTQS LLIVNNATNV VIKVCEFQFC NDPFLDHKNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LREFVFKNID GYFKIYSKHT PIIVREPEDL PQGFSALEPL VDLPIGINIT RF QTLLALH RSYLTPGDSS SGWTAGAAAY YVGYLQPRTF LLKYNENGTI TDAVDCALDP LSETKCTLKS FTVEKGIYQT SNF RVQPTE SIVRFPNITN LCPFDEVFNA TRFASVYAWN RKRISNCVAD YSVLYNLAPF FTFKCYGVSP TKLNDLCFTN VYAD SFVIR GDEVRQIAPG QTGNIADYNY KLPDDFTGCV IAWNSNKLDS KVSGNYNYLY RLFRKSNLKP FERDISTEIY QAGNK PCNG VAGFNCYFPL RSYSFRPTYG VGHQPYRVVV LSFELLHAPA TVCGPKKSTN LVKNKCVNFN FNGLKGTGVL TESNKK FLP FQQFGRDIAD TTDAVRDPQT LEILDITPCS FGGVSVITPG TNTSNQVAVL YQGVNCTEVP VAIHADQLTP TWRVYST GS NVFQTRAGCL IGAEYVNNSY ECDIPIGAGI CASYQTQTKS HGSASSVASQ SIIAYTMSLG AENSVAYSNN SIAIPTNF T ISVTTEILPV SMTKTSVDCT MYICGDSTEC SNLLLQYGSF CTQLKRALTG IAVEQDKNTQ EVFAQVKQIY KTPPIKYFG GFNFSQILPD PSKPSKRSFI EDLLFNKVTL ADAGFIKQYG DCLGDIAARD LICAQKFKGL TVLPPLLTDE MIAQYTSALL AGTITSGWT FGAGAALQIP FAMQMAYRFN GIGVTQNVLY ENQKLIANQF NSAIGKIQDS LSSTASALGK LQDVVNHNAQ A LNTLVKQL SSKFGAISSV LNDIFSRLDP PEAEVQIDRL ITGRLQSLQT YVTQQLIRAA EIRASANLAA TKMSECVLGQ SK RVDFCGK GYHLMSFPQS APHGVVFLHV TYVPAQEKNF TTAPAICHDG KAHFPREGVF VSNGTHWFVT QRNFYEPQII TTD NTFVSG NCDVVIGIVN NTVYDPLQPE LDSFKEELDK YFKNHTSPDV DLGDISGINA SVVNIQKEID RLNEVAKNLN ESLI DLQEL GKYEQLVPRG SGYIPEAPRD GQAYVRKDGE WVLLSTFLHH HHHH

UniProtKB: Spike glycoprotein

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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

Concentration0.25 mg/mL
BufferpH: 7.8
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 281 K

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.5 µm / Nominal defocus min: 1.2 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 167167
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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