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- EMDB-33191: The structure of ZCB11 Fab against SARS-CoV-2 Omicron Spike -

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Basic information

Entry
Database: EMDB / ID: EMD-33191
TitleThe structure of ZCB11 Fab against SARS-CoV-2 Omicron Spike
Map data
Sample
  • Complex: The complex of ZCB11 against Fab SARS-CoV-2 Omicron Spike
    • Complex: The ZCB11 fab
      • Protein or peptide: The heavy chain of ZCB11 antibody
      • Protein or peptide: The light chain of ZCB11 antibody
    • Complex: The spike protein of SARS-CoV-2 Omicron variant
      • Protein or peptide: Spike glycoprotein
KeywordsSARC-CoV-2 Omicron Spike / Fab / Antibody / viral protein / IMMUNE SYSTEM / VIRAL PROTEIN-IMMUNE SYSTEM complex
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 / 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 / symbiont-mediated suppression of host innate immune response / 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 / 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 / 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 speciesHomo sapiens (human) / Severe acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 2.99 Å
AuthorsHang L / Shangyu D
Funding support Hong Kong, 1 items
OrganizationGrant numberCountry
The University Grants Committee, Research Grants Council (RGC) Hong Kong
CitationJournal: Nat Commun / Year: 2022
Title: A broadly neutralizing antibody protects Syrian hamsters against SARS-CoV-2 Omicron challenge.
Authors: Biao Zhou / Runhong Zhou / Bingjie Tang / Jasper Fuk-Woo Chan / Mengxiao Luo / Qiaoli Peng / Shuofeng Yuan / Hang Liu / Bobo Wing-Yee Mok / Bohao Chen / Pui Wang / Vincent Kwok-Man Poon / ...Authors: Biao Zhou / Runhong Zhou / Bingjie Tang / Jasper Fuk-Woo Chan / Mengxiao Luo / Qiaoli Peng / Shuofeng Yuan / Hang Liu / Bobo Wing-Yee Mok / Bohao Chen / Pui Wang / Vincent Kwok-Man Poon / Hin Chu / Chris Chung-Sing Chan / Jessica Oi-Ling Tsang / Chris Chun-Yiu Chan / Ka-Kit Au / Hiu-On Man / Lu Lu / Kelvin Kai-Wang To / Honglin Chen / Kwok-Yung Yuen / Shangyu Dang / Zhiwei Chen /
Abstract: The strikingly high transmissibility and antibody evasion of SARS-CoV-2 Omicron variants have posed great challenges to the efficacy of current vaccines and antibody immunotherapy. Here, we screen 34 ...The strikingly high transmissibility and antibody evasion of SARS-CoV-2 Omicron variants have posed great challenges to the efficacy of current vaccines and antibody immunotherapy. Here, we screen 34 BNT162b2-vaccinees and isolate a public broadly neutralizing antibody ZCB11 derived from the IGHV1-58 family. ZCB11 targets viral receptor-binding domain specifically and neutralizes all SARS-CoV-2 variants of concern, especially with great potency against authentic Omicron and Delta variants. Pseudovirus-based mapping of 57 naturally occurred spike mutations or deletions reveals that S371L results in 11-fold neutralization resistance, but it is rescued by compensating mutations in Omicron variants. Cryo-EM analysis demonstrates that ZCB11 heavy chain predominantly interacts with Omicron spike trimer with receptor-binding domain in up conformation blocking ACE2 binding. In addition, prophylactic or therapeutic ZCB11 administration protects lung infection against Omicron viral challenge in golden Syrian hamsters. These results suggest that vaccine-induced ZCB11 is a promising broadly neutralizing antibody for biomedical interventions against pandemic SARS-CoV-2.
History
DepositionApr 7, 2022-
Header (metadata) releaseJun 29, 2022-
Map releaseJun 29, 2022-
UpdateJul 3, 2024-
Current statusJul 3, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_33191.png

Downloads & links

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Map

FileDownload / File: emd_33191.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.06 Å
Density
Contour LevelBy AUTHOR: 0.35
Minimum - Maximum-0.3732405 - 5.0955853
Average (Standard dev.)-0.00056881 (±0.026867729)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 339.19998 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_33191_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_33191_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 : The complex of ZCB11 against Fab SARS-CoV-2 Omicron Spike

EntireName: The complex of ZCB11 against Fab SARS-CoV-2 Omicron Spike
Components
  • Complex: The complex of ZCB11 against Fab SARS-CoV-2 Omicron Spike
    • Complex: The ZCB11 fab
      • Protein or peptide: The heavy chain of ZCB11 antibody
      • Protein or peptide: The light chain of ZCB11 antibody
    • Complex: The spike protein of SARS-CoV-2 Omicron variant
      • Protein or peptide: Spike glycoprotein

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Supramolecule #1: The complex of ZCB11 against Fab SARS-CoV-2 Omicron Spike

SupramoleculeName: The complex of ZCB11 against Fab SARS-CoV-2 Omicron Spike
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Details: formation of Spike-Fab complex, the Omicron Spike trimer (2.2mg/ml) was mixed with Fab (2.9mg/ml) in 1x PBS buffer at a molar ratio of 1:1.2 (Spike monomer:Fab) and incubated on ice for 40 minutes.
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #2: The ZCB11 fab

SupramoleculeName: The ZCB11 fab / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #2-#3
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Supramolecule #3: The spike protein of SARS-CoV-2 Omicron variant

SupramoleculeName: The spike protein of SARS-CoV-2 Omicron variant / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #1

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Macromolecule #1: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 133.911969 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHVISG TNGTKRFDNP VLPFNDGVY FASIEKSNII RGWIFGTTLD SKTQSLLIVN NATNVVIKVC EFQFCNDPFL DHKNNKSWME SEFRVYSSAN N CTFEYVSQ ...String:
MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHVISG TNGTKRFDNP VLPFNDGVY FASIEKSNII RGWIFGTTLD SKTQSLLIVN NATNVVIKVC EFQFCNDPFL DHKNNKSWME SEFRVYSSAN N CTFEYVSQ PFLMDLEGKQ GNFKNLREFV FKNIDGYFKI YSKHTPIIVR EPEDLPQGFS ALEPLVDLPI GINITRFQTL LA LHRSYLT PGDSSSGWTA GAAAYYVGYL QPRTFLLKYN ENGTITDAVD CALDPLSETK CTLKSFTVEK GIYQTSNFRV QPT ESIVRF PNITNLCPFD EVFNATRFAS VYAWNRKRIS NCVADYSVLY NLAPFFTFKC YGVSPTKLND LCFTNVYADS FVIR GDEVR QIAPGQTGNI ADYNYKLPDD FTGCVIAWNS NKLDSKVSGN YNYLYRLFRK SNLKPFERDI STEIYQAGNK PCNGV AGFN CYFPLRSYSF RPTYGVGHQP YRVVVLSFEL LHAPATVCGP KKSTNLVKNK CVNFNFNGLK GTGVLTESNK KFLPFQ QFG RDIADTTDAV RDPQTLEILD ITPCSFGGVS VITPGTNTSN QVAVLYQGVN CTEVPVAIHA DQLTPTWRVY STGSNVF QT RAGCLIGAEY VNNSYECDIP IGAGICASYQ TQTKSHGSAS SVASQSIIAY TMSLGAENSV AYSNNSIAIP TNFTISVT T EILPVSMTKT SVDCTMYICG DSTECSNLLL QYGSFCTQLK RALTGIAVEQ DKNTQEVFAQ VKQIYKTPPI KYFGGFNFS QILPDPSKPS KRSFIEDLLF NKVTLADAGF IKQYGDCLGD IAARDLICAQ KFKGLTVLPP LLTDEMIAQY TSALLAGTIT SGWTFGAGA ALQIPFAMQM AYRFNGIGVT QNVLYENQKL IANQFNSAIG KIQDSLSSTA SALGKLQDVV NHNAQALNTL V KQLSSKFG AISSVLNDIF SRLDPPEAEV QIDRLITGRL QSLQTYVTQQ LIRAAEIRAS ANLAATKMSE CVLGQSKRVD FC GKGYHLM SFPQSAPHGV VFLHVTYVPA QEKNFTTAPA ICHDGKAHFP REGVFVSNGT HWFVTQRNFY EPQIITTDNT FVS GNCDVV IGIVNNTVYD PLQPELDSFK EELDKYFKNH TSPDVDLGDI SGINASVVNI QKEIDRLNEV AKNLNESLID LQEL GKYEQ

UniProtKB: Spike glycoprotein

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Macromolecule #2: The heavy chain of ZCB11 antibody

MacromoleculeName: The heavy chain of ZCB11 antibody / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.790959 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: EVQLVQSGPE VKKPGTSVKV ACKASGFTFI TPVSMQWVRQ ARGQRLEWLG WIVLASGNTD YAQKFQERVT IIRDMSTSTA YMELSRLRT EDTAVYYCAA PSCSRTICSD GFDIWGQGTM VTVSSASTKG PSVFPLAPSS KSTSGGTAAL GCLVKDYFPE P VTVSWNSG ...String:
EVQLVQSGPE VKKPGTSVKV ACKASGFTFI TPVSMQWVRQ ARGQRLEWLG WIVLASGNTD YAQKFQERVT IIRDMSTSTA YMELSRLRT EDTAVYYCAA PSCSRTICSD GFDIWGQGTM VTVSSASTKG PSVFPLAPSS KSTSGGTAAL GCLVKDYFPE P VTVSWNSG ALTSGVHTFP AVLQSSGLYS LSSVVTVPSS SLGTQTYICN VNHKPSNTKV DKKV

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Macromolecule #3: The light chain of ZCB11 antibody

MacromoleculeName: The light chain of ZCB11 antibody / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.427047 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: EIVLTQSPGT LSLSPGERAT LSCRASQSVS SSYLAWFQQK PGQAPRLLIF AASSRAIGIP ARFSGSGSGT DFTLTISRLE PEDFAVYYC QQYSSSPWTF GQGTKVEIKR TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD ...String:
EIVLTQSPGT LSLSPGERAT LSCRASQSVS SSYLAWFQQK PGQAPRLLIF AASSRAIGIP ARFSGSGSGT DFTLTISRLE PEDFAVYYC QQYSSSPWTF GQGTKVEIKR TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD SKDSTYSLSS TLTLSKADYE KHKVYACEVT HQGLSSPVTK SFNRGEC

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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: 7.4
VitrificationCryogen name: ETHANE / Chamber humidity: 100 %

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average exposure time: 4.5 sec. / 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 / Cs: 2.7 mm / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.0 µm / Nominal magnification: 81000
Sample stageCooling holder cryogen: NITROGEN
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: 2.99 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 2.15) / Number images used: 293146
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 2.15)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 2.15)

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