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- EMDB-35064: SARS-CoV-2 Omicron BA.2 RBD complexed with BD-604 and S304 Fab -

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Basic information

Entry
Database: EMDB / ID: EMD-35064
TitleSARS-CoV-2 Omicron BA.2 RBD complexed with BD-604 and S304 Fab
Map data
Sample
  • Complex: SARS-CoV-2 Omicron BA.2 RBD complexed with BD-604 and S304 Fab
    • Protein or peptide: Spike protein S2'
    • Protein or peptide: BD-604 heavy chain
    • Protein or peptide: BD-604 light chain
    • Protein or peptide: S304 heavy chain
    • Protein or peptide: S304 light chain
KeywordsRBD / antibody / IMMUNE SYSTEM/VIRAL PROTEIN / IMMUNE SYSTEM-VIRAL PROTEIN complex
Function / homology
Function and homology information


symbiont-mediated disruption of host tissue / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / membrane fusion ...symbiont-mediated disruption of host tissue / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / membrane fusion / Attachment and Entry / entry receptor-mediated virion attachment to host cell / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / endocytosis involved in viral entry into host cell / receptor ligand activity / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / symbiont entry into host cell / virion attachment to host cell / host cell plasma membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / 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, N-terminal domain superfamily / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Spike glycoprotein, betacoronavirus / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal ...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, N-terminal domain superfamily / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Spike glycoprotein, betacoronavirus / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S2 superfamily, coronavirus / 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, 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: 2.91 Å
AuthorsHe QW / Xie Y
Funding support China, 3 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)81922044 China
National Natural Science Foundation of China (NSFC)82041047 China
National Natural Science Foundation of China (NSFC)81973228 China
CitationJournal: Cell Rep Med / Year: 2023
Title: An updated atlas of antibody evasion by SARS-CoV-2 Omicron sub-variants including BQ.1.1 and XBB.
Authors: Qingwen He / Lili Wu / Zepeng Xu / Xiaoyun Wang / Yufeng Xie / Yan Chai / Anqi Zheng / Jianjie Zhou / Shitong Qiao / Min Huang / Guijun Shang / Xin Zhao / Youjun Feng / Jianxun Qi / George Fu Gao / Qihui Wang /
Abstract: Emerging Omicron sub-variants are causing global concerns, and their immune evasion should be monitored continuously. We previously evaluated the escape of Omicron BA.1, BA.1.1, BA.2, and BA.3 from ...Emerging Omicron sub-variants are causing global concerns, and their immune evasion should be monitored continuously. We previously evaluated the escape of Omicron BA.1, BA.1.1, BA.2, and BA.3 from an atlas of 50 monoclonal antibodies (mAbs), covering seven epitope classes of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptor-binding domain (RBD). Here, we update the atlas of totally 77 mAbs against emerging sub-variants including BQ.1.1 and XBB and find that BA.4/5, BQ.1.1, and XBB display further evasion. Besides, investigation into the correlation of binding and neutralization of mAbs reveals the important role of antigenic conformation in mAb functioning. Moreover, the complex structures of BA.2 RBD/BD-604/S304 and BA.4/5 RBD/BD-604/S304/S309 further elucidate the molecular mechanism of antibody evasion by these sub-variants. By focusing on the identified broadly potent mAbs, we find a general hotspot epitope on the RBD, which could guide the design of vaccines and calls for new broad-spectrum countermeasures against COVID-19.
History
DepositionJan 2, 2023-
Header (metadata) releaseDec 6, 2023-
Map releaseDec 6, 2023-
UpdateJul 16, 2025-
Current statusJul 16, 2025Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_35064.png

Downloads & links

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Map

FileDownload / File: emd_35064.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.)
0.85 Å/pix.
x 360 pix.
= 306. Å		0.85 Å/pix.
x 360 pix.
= 306. Å		0.85 Å/pix.
x 360 pix.
= 306. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.85 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.061
Minimum - Maximum-0.0017257999 - 1.7590308
Average (Standard dev.)0.0006610641 (±0.019090533)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 306.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_35064_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_35064_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 Omicron BA.2 RBD complexed with BD-604 and S304 Fab

EntireName: SARS-CoV-2 Omicron BA.2 RBD complexed with BD-604 and S304 Fab
Components
  • Complex: SARS-CoV-2 Omicron BA.2 RBD complexed with BD-604 and S304 Fab
    • Protein or peptide: Spike protein S2'
    • Protein or peptide: BD-604 heavy chain
    • Protein or peptide: BD-604 light chain
    • Protein or peptide: S304 heavy chain
    • Protein or peptide: S304 light chain

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Supramolecule #1: SARS-CoV-2 Omicron BA.2 RBD complexed with BD-604 and S304 Fab

SupramoleculeName: SARS-CoV-2 Omicron BA.2 RBD complexed with BD-604 and S304 Fab
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Spike protein S2'

MacromoleculeName: Spike protein S2' / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2 / Strain: Omicron/BA.2
Molecular weightTheoretical: 25.288715 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: RVQPTESIVR FPNITNLCPF DEVFNATRFA SVYAWNRKRI SNCVADYSVL YNFAPFFAFK CYGVSPTKLN DLCFTNVYAD SFVIRGNEV SQIAPGQTGN IADYNYKLPD DFTGCVIAWN SNKLDSKVGG NYNYLYRLFR KSNLKPFERD ISTEIYQAGN K PCNGVAGF ...String:
RVQPTESIVR FPNITNLCPF DEVFNATRFA SVYAWNRKRI SNCVADYSVL YNFAPFFAFK CYGVSPTKLN DLCFTNVYAD SFVIRGNEV SQIAPGQTGN IADYNYKLPD DFTGCVIAWN SNKLDSKVGG NYNYLYRLFR KSNLKPFERD ISTEIYQAGN K PCNGVAGF NCYFPLRSYG FRPTYGVGHQ PYRVVVLSFE LLHAPATVCG PKKSTNLVKN KCVNF

UniProtKB: Spike glycoprotein

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Macromolecule #2: BD-604 heavy chain

MacromoleculeName: BD-604 heavy chain / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 24.121109 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: EVQLVESGGG LIQPGGSLRL SCAASGIIVS SNYMTWVRQA PGKGLEWVSV IYSGGSTFYA DSVKGRFTIS RDNSKNTLYL QMSSLRAED TAVYYCARDL GPYGMDVWGQ GTTVTVSSAS TKGPSVFPLA PSSKSTSGGT AALGCLVKDY FPEPVTVSWN S GALTSGVH ...String:
EVQLVESGGG LIQPGGSLRL SCAASGIIVS SNYMTWVRQA PGKGLEWVSV IYSGGSTFYA DSVKGRFTIS RDNSKNTLYL QMSSLRAED TAVYYCARDL GPYGMDVWGQ GTTVTVSSAS TKGPSVFPLA PSSKSTSGGT AALGCLVKDY FPEPVTVSWN S GALTSGVH TFPAVLQSSG LYSLSSVVTV PSSSLGTQTY ICNVNHKPSN TKVDKRVEPK SCDKTHTCPP C

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Macromolecule #3: BD-604 light chain

MacromoleculeName: BD-604 light chain / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.391863 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: DIQLTQSPSF LSASVGDRVT ITCRASQGIS SDLAWYQQKP GKAPNLLIYA ASTLQSGVPS RFSGSGSGTE FTLTISSLQP EDFATYYCQ QLNSDLYTFG QGTKLEIKRT VAAPSVFIFP PSDEQLKSGT ASVVCLLNNF YPREAKVQWK VDNALQSGNS Q ESVTEQDS ...String:
DIQLTQSPSF LSASVGDRVT ITCRASQGIS SDLAWYQQKP GKAPNLLIYA ASTLQSGVPS RFSGSGSGTE FTLTISSLQP EDFATYYCQ QLNSDLYTFG QGTKLEIKRT VAAPSVFIFP PSDEQLKSGT ASVVCLLNNF YPREAKVQWK VDNALQSGNS Q ESVTEQDS KDSTYSLSST LTLSKADYEK HKVYACEVTH QGLSSPVTKS FNRGECS

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Macromolecule #4: S304 heavy chain

MacromoleculeName: S304 heavy chain / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 24.613428 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: VQLVESGGGL VQPGGSLRLS CAASGFTFSS YDMHWVRQTT GKGLEWVSTI GTAGDTYYPD SVKGRFTISR EDAKNSLYLQ MNSLRAGDT AVYYCARGDS SGYYYYFDYW GQGTLLTVSS ASTKGPSVFP LAPSSKSTSG GTAALGCLVK DYFPEPVTVS W NSGALTSG ...String:
VQLVESGGGL VQPGGSLRLS CAASGFTFSS YDMHWVRQTT GKGLEWVSTI GTAGDTYYPD SVKGRFTISR EDAKNSLYLQ MNSLRAGDT AVYYCARGDS SGYYYYFDYW GQGTLLTVSS ASTKGPSVFP LAPSSKSTSG GTAALGCLVK DYFPEPVTVS W NSGALTSG VHTFPAVLQS SGLYSLSSVV TVPSSSLGTQ TYICNVNHKP SNTKVDKRVE PKSCDKTHTC PPC

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Macromolecule #5: S304 light chain

MacromoleculeName: S304 light chain / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.45801 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: DIEMTQSPSS LSAAVGDRVT ITCRASQSIG SYLNWYQQKP GKAPKLLIYA ASSLQSGVPS RFSGSGSGTD FTLTISSLQP EDFAIYYCQ QSYVSPTYTF GPGTKVDIKR TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD ...String:
DIEMTQSPSS LSAAVGDRVT ITCRASQSIG SYLNWYQQKP GKAPKLLIYA ASSLQSGVPS RFSGSGSGTD FTLTISSLQP EDFAIYYCQ QSYVSPTYTF GPGTKVDIKR TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD SKDSTYSLSS TLTLSKADYE KHKVYACEVT HQGLSSPVTK SFNRGECS

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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

Concentration0.2 mg/mL
BufferpH: 8
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: 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: 2.0 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.91 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 157402
Initial angle assignmentType: MAXIMUM LIKELIHOOD

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