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- EMDB-32718: Local CryoEM structure of the SARS-CoV-2 S6P(B.1.1.529) in comple... -

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Basic information

Entry
Database: EMDB / ID: EMD-32718
TitleLocal CryoEM structure of the SARS-CoV-2 S6P(B.1.1.529) in complex with BD55-3152 Fab
Map data
Sample
  • Complex: complex of BD55-3152 with S6P
    • Protein or peptide: Spike protein S1
    • Protein or peptide: BD55-3152H
    • Protein or peptide: BD55-3152L
Keywordsantibody / complex / S6P / 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 speciesHomo sapiens (human) / Severe acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 3.5 Å
AuthorsDu S / Xiao JY
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: Nature / Year: 2022
Title: BA.2.12.1, BA.4 and BA.5 escape antibodies elicited by Omicron infection.
Authors: Yunlong Cao / Ayijiang Yisimayi / Fanchong Jian / Weiliang Song / Tianhe Xiao / Lei Wang / Shuo Du / Jing Wang / Qianqian Li / Xiaosu Chen / Yuanling Yu / Peng Wang / Zhiying Zhang / Pulan ...Authors: Yunlong Cao / Ayijiang Yisimayi / Fanchong Jian / Weiliang Song / Tianhe Xiao / Lei Wang / Shuo Du / Jing Wang / Qianqian Li / Xiaosu Chen / Yuanling Yu / Peng Wang / Zhiying Zhang / Pulan Liu / Ran An / Xiaohua Hao / Yao Wang / Jing Wang / Rui Feng / Haiyan Sun / Lijuan Zhao / Wen Zhang / Dong Zhao / Jiang Zheng / Lingling Yu / Can Li / Na Zhang / Rui Wang / Xiao Niu / Sijie Yang / Xuetao Song / Yangyang Chai / Ye Hu / Yansong Shi / Linlin Zheng / Zhiqiang Li / Qingqing Gu / Fei Shao / Weijin Huang / Ronghua Jin / Zhongyang Shen / Youchun Wang / Xiangxi Wang / Junyu Xiao / Xiaoliang Sunney Xie /
Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron sublineages BA.2.12.1, BA.4 and BA.5 exhibit higher transmissibility than the BA.2 lineage. The receptor binding and immune- ...Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron sublineages BA.2.12.1, BA.4 and BA.5 exhibit higher transmissibility than the BA.2 lineage. The receptor binding and immune-evasion capability of these recently emerged variants require immediate investigation. Here, coupled with structural comparisons of the spike proteins, we show that BA.2.12.1, BA.4 and BA.5 (BA.4 and BA.5 are hereafter referred collectively to as BA.4/BA.5) exhibit similar binding affinities to BA.2 for the angiotensin-converting enzyme 2 (ACE2) receptor. Of note, BA.2.12.1 and BA.4/BA.5 display increased evasion of neutralizing antibodies compared with BA.2 against plasma from triple-vaccinated individuals or from individuals who developed a BA.1 infection after vaccination. To delineate the underlying antibody-evasion mechanism, we determined the escape mutation profiles, epitope distribution and Omicron-neutralization efficiency of 1,640 neutralizing antibodies directed against the receptor-binding domain of the viral spike protein, including 614 antibodies isolated from people who had recovered from BA.1 infection. BA.1 infection after vaccination predominantly recalls humoral immune memory directed against ancestral (hereafter referred to as wild-type (WT)) SARS-CoV-2 spike protein. The resulting elicited antibodies could neutralize both WT SARS-CoV-2 and BA.1 and are enriched on epitopes on spike that do not bind ACE2. However, most of these cross-reactive neutralizing antibodies are evaded by spike mutants L452Q, L452R and F486V. BA.1 infection can also induce new clones of BA.1-specific antibodies that potently neutralize BA.1. Nevertheless, these neutralizing antibodies are largely evaded by BA.2 and BA.4/BA.5 owing to D405N and F486V mutations, and react weakly to pre-Omicron variants, exhibiting narrow neutralization breadths. The therapeutic neutralizing antibodies bebtelovimab and cilgavimab can effectively neutralize BA.2.12.1 and BA.4/BA.5, whereas the S371F, D405N and R408S mutations undermine most broadly sarbecovirus-neutralizing antibodies. Together, our results indicate that Omicron may evolve mutations to evade the humoral immunity elicited by BA.1 infection, suggesting that BA.1-derived vaccine boosters may not achieve broad-spectrum protection against new Omicron variants.
History
DepositionJan 26, 2022-
Header (metadata) releaseJun 22, 2022-
Map releaseJun 22, 2022-
UpdateOct 30, 2024-
Current statusOct 30, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_32718.png

Downloads & links

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Map

FileDownload / File: emd_32718.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.04 Å/pix.
x 360 pix.
= 374.4 Å		1.04 Å/pix.
x 360 pix.
= 374.4 Å		1.04 Å/pix.
x 360 pix.
= 374.4 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.04 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.246
Minimum - Maximum-1.876374 - 2.5611534
Average (Standard dev.)0.00019997306 (±0.026039079)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 374.4 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : complex of BD55-3152 with S6P

EntireName: complex of BD55-3152 with S6P
Components
  • Complex: complex of BD55-3152 with S6P
    • Protein or peptide: Spike protein S1
    • Protein or peptide: BD55-3152H
    • Protein or peptide: BD55-3152L

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Supramolecule #1: complex of BD55-3152 with S6P

SupramoleculeName: complex of BD55-3152 with S6P / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Spike protein S1

MacromoleculeName: Spike protein S1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 21.968818 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: NLCPFDEVFN ATRFASVYAW NRKRISNCVA DYSVLYNLAP FFTFKCYGVS PTKLNDLCFT NVYADSFVIR GDEVRQIAPG QTGNIADYN YKLPDDFTGC VIAWNSNKLD SKVSGNYNYL YRLFRKSNLK PFERDISTEI YQAGNKPCNG VAGFNCYFPL R SYSFRPTY ...String:
NLCPFDEVFN ATRFASVYAW NRKRISNCVA DYSVLYNLAP FFTFKCYGVS PTKLNDLCFT NVYADSFVIR GDEVRQIAPG QTGNIADYN YKLPDDFTGC VIAWNSNKLD SKVSGNYNYL YRLFRKSNLK PFERDISTEI YQAGNKPCNG VAGFNCYFPL R SYSFRPTY GVGHQPYRVV VLSFELLHAP ATVCG

UniProtKB: Spike glycoprotein

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Macromolecule #2: BD55-3152H

MacromoleculeName: BD55-3152H / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 27.819539 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MGWSLILLFL VAVATRVLSQ VQLVQSGAEV KKPGASVIVS CKASGYRFIS HYIHWVRQAP GQGLEWMGKI DPSGRGTTYA QKLQGRVSV TRDTSTSSVY MALSGLRSDD TAVYYCARDR FPLSDPYVWG SPLGGLDVWG QGTTVIVSSA STKGPSVFPL A PSSKSTSG ...String:
MGWSLILLFL VAVATRVLSQ VQLVQSGAEV KKPGASVIVS CKASGYRFIS HYIHWVRQAP GQGLEWMGKI DPSGRGTTYA QKLQGRVSV TRDTSTSSVY MALSGLRSDD TAVYYCARDR FPLSDPYVWG SPLGGLDVWG QGTTVIVSSA STKGPSVFPL A PSSKSTSG GTAALGCLVK DYFPEPVTVS WNSGALTSGV HTFPAVLQSS GLYSLSSVVT VPSSSLGTQT YICNVNHKPS NT KVDKKVE PKSCDKTHHH HHH

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Macromolecule #3: BD55-3152L

MacromoleculeName: BD55-3152L / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 24.830543 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MGWSCIILFL VATATGVHSS YDLTQPPSVS VSPGQTARIT CSGDALPSQY VYWYQQRPGQ APVLVMYKDS ERPPGIPERF SGSTSGTTA TLTITGVQAE DEADYYCQSA DASTTYHVFG GGTKVTVVGQ PKAAPSVTLF PPSSEELQAN KATLVCLISD F YPGAVTVA ...String:
MGWSCIILFL VATATGVHSS YDLTQPPSVS VSPGQTARIT CSGDALPSQY VYWYQQRPGQ APVLVMYKDS ERPPGIPERF SGSTSGTTA TLTITGVQAE DEADYYCQSA DASTTYHVFG GGTKVTVVGQ PKAAPSVTLF PPSSEELQAN KATLVCLISD F YPGAVTVA WKADSSPVKA GVETTTPSKQ SNNKYAASSY LSLTPEQWKS HRSYSCQVTH EGSTVEKTVA PTECS

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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: 7.2
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 QUANTUM (4k 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: DARK FIELD / Nominal defocus max: 1.5 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 282833
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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