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- EMDB-34129: Omicron BA.4/5 SARS-CoV-2 S RBD in complex with TH236 Fab -

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Basic information

Entry
Database: EMDB / ID: EMD-34129
TitleOmicron BA.4/5 SARS-CoV-2 S RBD in complex with TH236 Fab
Map data
Sample
  • Complex: Omicron BA.4/5 SARS-CoV-2 S in complex with TH027 Fab
    • Complex: TH027 Fab
      • Protein or peptide: TH236 Fab light chain
      • Protein or peptide: TH236 Fab heavy chain
    • Complex: Omicron BA.4/5 SARS-CoV-2 S
      • Protein or peptide: Spike glycoprotein
KeywordsCOVID-19 / spike glycoprotein / virus / VIRAL PROTEIN / ANTIVIRAL PROTEIN-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 / viral translation / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion ...symbiont-mediated disruption of host tissue / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / viral translation / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / membrane fusion / entry receptor-mediated virion attachment to host cell / Attachment and Entry / 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 / receptor ligand activity / endocytosis involved in viral entry into host cell / 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 / 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, 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. / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike (S) protein S1 subunit, receptor-binding domain, 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, 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. / 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 S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / 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: 3.6 Å
AuthorsGuo Y / Zhang G / Liang J / Liu F / Rao Z
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)31870733 China
CitationJournal: Nat Commun / Year: 2023
Title: Discovery and characterization of potent pan-variant SARS-CoV-2 neutralizing antibodies from individuals with Omicron breakthrough infection.
Authors: Yu Guo / Guangshun Zhang / Qi Yang / Xiaowei Xie / Yang Lu / Xuelian Cheng / Hui Wang / Jingxi Liang / Jielin Tang / Yuxin Gao / Hang Shang / Jun Dai / Yongxia Shi / Jiaxi Zhou / Jun Zhou / ...Authors: Yu Guo / Guangshun Zhang / Qi Yang / Xiaowei Xie / Yang Lu / Xuelian Cheng / Hui Wang / Jingxi Liang / Jielin Tang / Yuxin Gao / Hang Shang / Jun Dai / Yongxia Shi / Jiaxi Zhou / Jun Zhou / Hangtian Guo / Haitao Yang / Jianwei Qi / Lijun Liu / Shihui Ma / Biao Zhang / Qianyu Huo / Yi Xie / Junping Wu / Fang Dong / Song Zhang / Zhiyong Lou / Yan Gao / Zidan Song / Wenming Wang / Zixian Sun / Xiaoming Yang / Dongsheng Xiong / Fengjiang Liu / Xinwen Chen / Ping Zhu / Ximo Wang / Tao Cheng / Zihe Rao /
Abstract: The SARS-CoV-2 Omicron variant evades most currently approved neutralizing antibodies (nAbs) and caused drastic decrease of plasma neutralizing activity elicited by vaccination or prior infection, ...The SARS-CoV-2 Omicron variant evades most currently approved neutralizing antibodies (nAbs) and caused drastic decrease of plasma neutralizing activity elicited by vaccination or prior infection, urging the need for the development of pan-variant antivirals. Breakthrough infection induces a hybrid immunological response with potentially broad, potent and durable protection against variants, therefore, convalescent plasma from breakthrough infection may provide a broadened repertoire for identifying elite nAbs. We performed single-cell RNA sequencing (scRNA-seq) and BCR sequencing (scBCR-seq) of B cells from BA.1 breakthrough-infected patients who received 2 or 3 previous doses of inactivated vaccine. Elite nAbs, mainly derived from the IGHV2-5 and IGHV3-66/53 germlines, showed potent neutralizing activity across Wuhan-Hu-1, Delta, Omicron sublineages BA.1 and BA.2 at picomolar NT values. Cryo-EM analysis revealed diverse modes of spike recognition and guides the design of cocktail therapy. A single injection of paired antibodies cocktail provided potent protection in the K18-hACE2 transgenic female mouse model of SARS-CoV-2 infection.
History
DepositionAug 19, 2022-
Header (metadata) releaseJun 28, 2023-
Map releaseJun 28, 2023-
UpdateJul 2, 2025-
Current statusJul 2, 2025Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_34129.png

Downloads & links

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Map

FileDownload / File: emd_34129.map.gz / Format: CCP4 / Size: 512 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
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Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.82 Å/pix.
x 512 pix.
= 419.84 Å		0.82 Å/pix.
x 512 pix.
= 419.84 Å		0.82 Å/pix.
x 512 pix.
= 419.84 Å

Surface

Projections

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.82 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.4
Minimum - Maximum-0.7184462 - 2.805255
Average (Standard dev.)-0.0007622163 (±0.024121879)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions512512512
Spacing512512512
CellA=B=C: 419.84 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_34129_msk_1.map
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Half map: #1

Fileemd_34129_half_map_1.map
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Half map: #2

Fileemd_34129_half_map_2.map
Projections & Slices
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Sample components

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Entire : Omicron BA.4/5 SARS-CoV-2 S in complex with TH027 Fab

EntireName: Omicron BA.4/5 SARS-CoV-2 S in complex with TH027 Fab
Components
  • Complex: Omicron BA.4/5 SARS-CoV-2 S in complex with TH027 Fab
    • Complex: TH027 Fab
      • Protein or peptide: TH236 Fab light chain
      • Protein or peptide: TH236 Fab heavy chain
    • Complex: Omicron BA.4/5 SARS-CoV-2 S
      • Protein or peptide: Spike glycoprotein

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Supramolecule #1: Omicron BA.4/5 SARS-CoV-2 S in complex with TH027 Fab

SupramoleculeName: Omicron BA.4/5 SARS-CoV-2 S in complex with TH027 Fab / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all

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Supramolecule #2: TH027 Fab

SupramoleculeName: TH027 Fab / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #3: Omicron BA.4/5 SARS-CoV-2 S

SupramoleculeName: Omicron BA.4/5 SARS-CoV-2 S / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #3
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Macromolecule #1: TH236 Fab light chain

MacromoleculeName: TH236 Fab light chain / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.603601 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
QSALTQPASV SGSPGQSITI SCTGTSSDVG GYNYVSWYQQ HPGKAPKLMI YDVSNRPSGV SNRFSGSKSG NTASLTISGL QAEDEADYY CSSYTSSSTL YVFGTGTKVT VL

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Macromolecule #2: TH236 Fab heavy chain

MacromoleculeName: TH236 Fab heavy chain / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 13.800423 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
QVQLVESGGG LVKPGGSLRL SCAASGFMIS DSYMNWIRQP PGKGLEWVSY ISSNGYAIYY GDSVKGRFTI SRDNAKNFLY LQMNSLRVE DTAVYYCARE QPGGYYDSSG YRLDPWGQGI LVTVSS

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Macromolecule #3: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 3 / Details: Omicron BA.5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 142.592938 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNLIT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLDVYYHKNN KSWMESEFRV Y SSANNCTF ...String:
MFVFLVLLPL VSSQCVNLIT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLDVYYHKNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LREFVFKNID GYFKIYSKHT PINLGRDLPQ GFSALEPLVD LPIGINITRF QT LLALHRS YLTPGDSSSG WTAGAAAYYV GYLQPRTFLL KYNENGTITD AVDCALDPLS ETKCTLKSFT VEKGIYQTSN FRV QPTESI VRFPNITNLC PFDEVFNATR FASVYAWNRK RISNCVADYS VLYNFAPFFA FKCYGVSPTK LNDLCFTNVY ADSF VIRGN EVSQIAPGQT GNIADYNYKL PDDFTGCVIA WNSNKLDSKV GGNYNYRYRL FRKSNLKPFE RDISTEIYQA GNKPC NGVA GVNCYFPLQS YGFRPTYGVG HQPYRVVVLS FELLHAPATV CGPKKSTNLV KNKCVNFNFN GLTGTGVLTE SNKKFL PFQ QFGRDIADTT DAVRDPQTLE ILDITPCSFG GVSVITPGTN TSNQVAVLYQ GVNCTEVPVA IHADQLTPTW RVYSTGS NV FQTRAGCLIG AEYVNSSYEC DIPIGAGICA SYQTQTKSHG SASSVASQSI IAYTMSLGAE NSVAYSNNSI AIPTNFTI S VTTEILPVSM TKTSVDCTMY ICGDSTECSN LLLQYGSFCT QLKRALTGIA VEQDKNTQEV FAQVKQIYKT PPIKYFGGF NFSQILPDPS KPSKRSPIED LLFNKVTLAD AGFIKQYGDC LGDIAARDLI CAQKFNGLTV LPPLLTDEMI AQYTSALLAG TITSGWTFG AGPALQIPFP MQMAYRFNGI GVTQNVLYEN QKLIANQFNS AIGKIQDSLS STPSALGKLQ DVVNHNAQAL N TLVKQLSS KFGAISSVLN DILSRLDPPE AEVQIDRLIT GRLQSLQTYV TQQLIRAAEI RASANLAATK MSECVLGQSK RV DFCGKGY HLMSFPQSAP HGVVFLHVTY VPAQEKNFTT APAICHDGKA HFPREGVFVS NGTHWFVTQR NFYEPQIITT DNT FVSGNC DVVIGIVNNT VYDPLQPELD SFKEELDKYF KNHTSPDVDL GDISGINASV VNIQKEIDRL NEVAKNLNES LIDL QELGK YEQGSGYIPE APRDGQAYVR KDGEWVFLST FLSGLEVLFQ GPGGWSHPQF EKGGGSGGGS GGSAWSHPQF EKGGS HHHH 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

BufferpH: 7.4
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: SPOT SCAN / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.4 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: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.6 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 210867
Initial angle assignmentType: COMMON LINE
Final angle assignmentType: COMMON LINE

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