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- EMDB-34652: SARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab -

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Basic information

Entry
Database: EMDB / ID: EMD-34652
TitleSARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab
Map data
Sample
  • Complex: SARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab
    • Complex: SARS-CoV_2 wildtype S1
      • Protein or peptide: Spike glycoprotein
    • Complex: YB9-258 Fab and R1-32 Fab
      • Protein or peptide: Heavy chain of YB9-258 Fab
      • Protein or peptide: Light chain of YB9-258
      • Protein or peptide: Heavy chain of R1-32 Fab
      • Protein or peptide: Light chain of R1-32 Fab
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsSpike protein / RBD / antibody / Fab / VIRAL PROTEIN / 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 / membrane fusion / 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 / 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 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 / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.43 Å
AuthorsLiu B / Gao X / Chen Q / Li Z / Su M / He J / Xiong X
Funding support3 items
OrganizationGrant numberCountry
Other governmentEKPG21-06
Other government2021A1515011289
Other governmentGRMH-GL
CitationJournal: Nat Commun / Year: 2023
Title: Somatically hypermutated antibodies isolated from SARS-CoV-2 Delta infected patients cross-neutralize heterologous variants.
Authors: Haisheng Yu / Banghui Liu / Yudi Zhang / Xijie Gao / Qian Wang / Haitao Xiang / Xiaofang Peng / Caixia Xie / Yaping Wang / Peiyu Hu / Jingrong Shi / Quan Shi / Pingqian Zheng / Chengqian ...Authors: Haisheng Yu / Banghui Liu / Yudi Zhang / Xijie Gao / Qian Wang / Haitao Xiang / Xiaofang Peng / Caixia Xie / Yaping Wang / Peiyu Hu / Jingrong Shi / Quan Shi / Pingqian Zheng / Chengqian Feng / Guofang Tang / Xiaopan Liu / Liliangzi Guo / Xiumei Lin / Jiaojiao Li / Chuanyu Liu / Yaling Huang / Naibo Yang / Qiuluan Chen / Zimu Li / Mengzhen Su / Qihong Yan / Rongjuan Pei / Xinwen Chen / Longqi Liu / Fengyu Hu / Dan Liang / Bixia Ke / Changwen Ke / Feng Li / Jun He / Meiniang Wang / Ling Chen / Xiaoli Xiong / Xiaoping Tang /
Abstract: SARS-CoV-2 Omicron variants feature highly mutated spike proteins with extraordinary abilities in evading antibodies isolated earlier in the pandemic. Investigation of memory B cells from patients ...SARS-CoV-2 Omicron variants feature highly mutated spike proteins with extraordinary abilities in evading antibodies isolated earlier in the pandemic. Investigation of memory B cells from patients primarily with breakthrough infections with the Delta variant enables isolation of a number of neutralizing antibodies cross-reactive to heterologous variants of concern (VOCs) including Omicron variants (BA.1-BA.4). Structural studies identify altered complementarity determining region (CDR) amino acids and highly unusual heavy chain CDR2 insertions respectively in two representative cross-neutralizing antibodies-YB9-258 and YB13-292. These features are putatively introduced by somatic hypermutation and they are heavily involved in epitope recognition to broaden neutralization breadth. Previously, insertions/deletions were rarely reported for antiviral antibodies except for those induced by HIV-1 chronic infections. These data provide molecular mechanisms for cross-neutralization of heterologous SARS-CoV-2 variants by antibodies isolated from Delta variant infected patients with implications for future vaccination strategy.
History
DepositionNov 1, 2022-
Header (metadata) releaseJan 25, 2023-
Map releaseJan 25, 2023-
UpdateNov 13, 2024-
Current statusNov 13, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_34652.png

Downloads & links

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Map

FileDownload / File: emd_34652.map.gz / Format: CCP4 / Size: 27 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.46 Å/pix.
x 192 pix.
= 281.088 Å		1.46 Å/pix.
x 192 pix.
= 281.088 Å		1.46 Å/pix.
x 192 pix.
= 281.088 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.464 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.2
Minimum - Maximum-2.0175724 - 3.726014
Average (Standard dev.)0.0015378213 (±0.05764706)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions192192192
Spacing192192192
CellA=B=C: 281.088 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_34652_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_34652_half_map_2.map
Projections & Slices
AxesZYX

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Histogram

Histogram (log scale)

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Sample components

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Entire : SARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab

EntireName: SARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab
Components
  • Complex: SARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab
    • Complex: SARS-CoV_2 wildtype S1
      • Protein or peptide: Spike glycoprotein
    • Complex: YB9-258 Fab and R1-32 Fab
      • Protein or peptide: Heavy chain of YB9-258 Fab
      • Protein or peptide: Light chain of YB9-258
      • Protein or peptide: Heavy chain of R1-32 Fab
      • Protein or peptide: Light chain of R1-32 Fab
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab

SupramoleculeName: SARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5

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Supramolecule #2: SARS-CoV_2 wildtype S1

SupramoleculeName: SARS-CoV_2 wildtype S1 / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Supramolecule #3: YB9-258 Fab and R1-32 Fab

SupramoleculeName: YB9-258 Fab and R1-32 Fab / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2-#5
Source (natural)Organism: Homo sapiens (human)

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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: 75.688125 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF ...String:
MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LREFVFKNID GYFKIYSKHT PINLVRDLPQ GFSALEPLVD LPIGINITRF QT LLALHRS YLTPGDSSSG WTAGAAAYYV GYLQPRTFLL KYNENGTITD AVDCALDPLS ETKCTLKSFT VEKGIYQTSN FRV QPTESI VRFPNITNLC PFGEVFNATR FASVYAWNRK RISNCVADYS VLYNSASFST FKCYGVSPTK LNDLCFTNVY ADSF VIRGD EVRQIAPGQT GKIADYNYKL PDDFTGCVIA WNSNNLDSKV GGNYNYLYRL FRKSNLKPFE RDISTEIYQA GSTPC NGVE GFNCYFPLQS YGFQPTNGVG YQPYRVVVLS FELLHAPATV CGPKKSTNLV KNKCVNFNFN GLTGTGVLTE SNKKFL PFQ QFGRDIADTT DAVRDPQTLE ILDITPCSFG GVSVITPGTN TSNQVAVLYQ DVNCTEVPVA IHADQLTPTW RVYSTGS NV FQTRAGCLIG AEHVNNSYEC DIPIGAGICA SYQT

UniProtKB: Spike glycoprotein

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Macromolecule #2: Heavy chain of YB9-258 Fab

MacromoleculeName: Heavy chain of YB9-258 Fab / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.126922 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: EVQLVESGGG LIQPGGSLRL SCAASGLTVS SNYMHWVRQA PGKGLEWVSV LYAGGSAFYA DSVKGRFTIS RNNSKNTLYL QMNSLRAED TAIYYCARGL GDYLDSWGQG TLVTVSSAST KGPSVFPLAP SSKSTSGGTA ALGCLVKDYF PEPVTVSWNS G ALTSGVHT ...String:
EVQLVESGGG LIQPGGSLRL SCAASGLTVS SNYMHWVRQA PGKGLEWVSV LYAGGSAFYA DSVKGRFTIS RNNSKNTLYL QMNSLRAED TAIYYCARGL GDYLDSWGQG TLVTVSSAST KGPSVFPLAP SSKSTSGGTA ALGCLVKDYF PEPVTVSWNS G ALTSGVHT FPAVLQSSGL YSLSSVVTVP SSSLGTQTYI CNVNHKPSNT KVDKKVEPKS CD

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Macromolecule #3: Light chain of YB9-258

MacromoleculeName: Light chain of YB9-258 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.177754 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: DIQMTQSPSS VSASVGDRVT ITCRASQGIG SWLAWYQQKP GKAPQLLIYA ASTLQSGVPP RFSGSGSGTD FTLTITSLQP EDFASYYCQ QANSVLALTF GGGTKVEIKR TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD ...String:
DIQMTQSPSS VSASVGDRVT ITCRASQGIG SWLAWYQQKP GKAPQLLIYA ASTLQSGVPP RFSGSGSGTD FTLTITSLQP EDFASYYCQ QANSVLALTF GGGTKVEIKR TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD SKDSTYSLSS TLTLSKADYE KHKVYACEVT HQGLSSPVTK SFNRGEC

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Macromolecule #4: Heavy chain of R1-32 Fab

MacromoleculeName: Heavy chain of R1-32 Fab / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.840717 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: EVQLVESGAE VKKPGSSVKV SCKASGGTFS SYAISWVRQA PGQGLEWMGG IIPILGIANY AQKFQGRVTI TADKSTSTAY MELSSLRSE DTAVYYCARE NGYSGYGAAA NFDLWGRGTL VTVSSASTKG PSVFPLAPSS KSTSGGTAAL GCLVKDYFPE P VTVSWNSG ...String:
EVQLVESGAE VKKPGSSVKV SCKASGGTFS SYAISWVRQA PGQGLEWMGG IIPILGIANY AQKFQGRVTI TADKSTSTAY MELSSLRSE DTAVYYCARE NGYSGYGAAA NFDLWGRGTL VTVSSASTKG PSVFPLAPSS KSTSGGTAAL GCLVKDYFPE P VTVSWNSG ALTSGVHTFP AVLQSSGLYS LSSVVTVPSS SLGTQTYICN VNHKPSNTKV DKKVEPKSCD

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Macromolecule #5: Light chain of R1-32 Fab

MacromoleculeName: Light chain of R1-32 Fab / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 22.382643 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QSVLTQPPSV SGAPGQRVTI SCTGSSSNIG AGYDVHWYQQ LPGTAPKLLI YGNSNRPSGV PDRFSGSKSG TSASLAITGL QAEDEADYY CQSYDSSLSG SVFGGGTKLT VLGQPKAAPS VTLFPPSSEE LQANKATLVC LISDFYPGAV TVAWKADSSP V KAGVETTT ...String:
QSVLTQPPSV SGAPGQRVTI SCTGSSSNIG AGYDVHWYQQ LPGTAPKLLI YGNSNRPSGV PDRFSGSKSG TSASLAITGL QAEDEADYY CQSYDSSLSG SVFGGGTKLT VLGQPKAAPS VTLFPPSSEE LQANKATLVC LISDFYPGAV TVAWKADSSP V KAGVETTT PSKQSNNKYA ASSYLSLTPE QWKSHRSYSC QVTHEGSTVE KTVAPT

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Macromolecule #6: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 6 / Number of copies: 1 / 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: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.6 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7a98

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.43 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 202540
Initial angle assignmentType: RANDOM ASSIGNMENT
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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