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- EMDB-66890: SARS-CoV-2 Omicron BA.4/5 spike RBD in complex with C092 Fab and ACE2 -

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Basic information

Entry
Database: EMDB / ID: EMD-66890
TitleSARS-CoV-2 Omicron BA.4/5 spike RBD in complex with C092 Fab and ACE2
Map data
Sample
  • Complex: SARS-CoV-2 Omicron BA.4/5 spike RBD in complex with C092 Fab and ACE2
    • Protein or peptide: Processed angiotensin-converting enzyme 2
    • Protein or peptide: Spike protein S1
    • Protein or peptide: Heavy chain of C092 Fab
    • Protein or peptide: Light chain of C092 Fab
  • Ligand: ZINC ION
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsSpike protein / Antibody Fab fragment / Complex / VIRAL PROTEIN/IMMUNE SYSTEM/HYDROLASE / VIRAL PROTEIN-IMMUNE SYSTEM-HYDROLASE complex
Function / homology
Function and homology information


positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / angiotensin-mediated drinking behavior / positive regulation of gap junction assembly / tryptophan transport / maternal process involved in female pregnancy / regulation of systemic arterial blood pressure by renin-angiotensin / regulation of cardiac conduction ...positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / angiotensin-mediated drinking behavior / positive regulation of gap junction assembly / tryptophan transport / maternal process involved in female pregnancy / regulation of systemic arterial blood pressure by renin-angiotensin / regulation of cardiac conduction / transporter activator activity / peptidyl-dipeptidase activity / amino acid import across plasma membrane / regulation of vasoconstriction / Metabolism of Angiotensinogen to Angiotensins / carboxypeptidase activity / angiotensin maturation / receptor-mediated endocytosis of virus by host cell / viral life cycle / Attachment and Entry / metallocarboxypeptidase activity / positive regulation of cardiac muscle contraction / regulation of cytokine production / blood vessel diameter maintenance / negative regulation of smooth muscle cell proliferation / brush border membrane / negative regulation of ERK1 and ERK2 cascade / positive regulation of reactive oxygen species metabolic process / metallopeptidase activity / endocytic vesicle membrane / cilium / regulation of cell population proliferation / regulation of inflammatory response / virus receptor activity / symbiont-mediated disruption of host tissue / Maturation of spike protein / endopeptidase activity / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / Lectin pathway of complement activation / host extracellular region / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / Potential therapeutics for SARS / positive regulation of viral entry into host cell / Initial triggering of complement / membrane fusion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / Attachment and Entry / entry receptor-mediated virion attachment to host cell / receptor-mediated virion attachment to host cell / apical plasma membrane / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / endocytosis involved in viral entry into host cell / membrane raft / endoplasmic reticulum lumen / 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 / negative regulation of transcription by RNA polymerase II / virion membrane / cell surface / : / extracellular exosome / extracellular region / zinc ion binding / membrane / identical protein binding / plasma membrane
Similarity search - Function
Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Peptidase family M2 domain profile. / Neutral zinc metallopeptidases, zinc-binding region signature. / 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 ...Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Peptidase family M2 domain profile. / Neutral zinc metallopeptidases, zinc-binding region signature. / 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
Spike glycoprotein / Angiotensin-converting enzyme 2
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2 / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.84 Å
AuthorsNiu C / Liu B / Gao X / Li Z / He J / Xiong X
Funding support China, 8 items
OrganizationGrant numberCountry
Other government2021YFA1300903
National Natural Science Foundation of China (NSFC)82341085 China
Other governmentEKPG21-06
Other governmentSRPG22-002
Other government2021A1515011289
Other government2023B1212060050
Other government2023B1212120009
Other governmentGIBHBRP24-02
CitationJournal: To Be Published
Title: AI identifies Elite Antibodies that Tolerate Escape Mutations from a Population Antibody Class Exerting Continued Selection Over SARS-CoV-2
Authors: Niu C / Huang X / Yan Q / Liu B / Gao X / Song Y / Wang J / Wang L / Li Z / Zheng H / He P / Huang X / Yuan H / Zou B / Yang Y / Wu F / Yao Y / Chen X / Chen L / He J / Yao J / Zhao J / Xiong X
History
DepositionNov 2, 2025-
Header (metadata) releaseAug 12, 2026-
Map releaseAug 12, 2026-
UpdateAug 12, 2026-
Current statusAug 12, 2026Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_66890.png

Downloads & links

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Map

FileDownload / File: emd_66890.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.65 Å/pix.
x 256 pix.
= 422.4 Å		1.65 Å/pix.
x 256 pix.
= 422.4 Å		1.65 Å/pix.
x 256 pix.
= 422.4 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.65 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.38
Minimum - Maximum-0.6495531 - 1.5375434
Average (Standard dev.)-0.000914787 (±0.025471909)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 422.4 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_66890_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_66890_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 : SARS-CoV-2 Omicron BA.4/5 spike RBD in complex with C092 Fab and ACE2

EntireName: SARS-CoV-2 Omicron BA.4/5 spike RBD in complex with C092 Fab and ACE2
Components
  • Complex: SARS-CoV-2 Omicron BA.4/5 spike RBD in complex with C092 Fab and ACE2
    • Protein or peptide: Processed angiotensin-converting enzyme 2
    • Protein or peptide: Spike protein S1
    • Protein or peptide: Heavy chain of C092 Fab
    • Protein or peptide: Light chain of C092 Fab
  • Ligand: ZINC ION
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 Omicron BA.4/5 spike RBD in complex with C092 Fab and ACE2

SupramoleculeName: SARS-CoV-2 Omicron BA.4/5 spike RBD in complex with C092 Fab and ACE2
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Macromolecule #1: Processed angiotensin-converting enzyme 2

MacromoleculeName: Processed angiotensin-converting enzyme 2 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 69.717391 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: STIEEQAKTF LDKFNHEAED LFYQSSLASW NYNTNITEEN VQNMNNAGDK WSAFLKEQST LAQMYPLQEI QNLTVKLQLQ ALQQNGSSV LSEDKSKRLN TILNTMSTIY STGKVCNPDN PQECLLLEPG LNEIMANSLD YNERLWAWES WRSEVGKQLR P LYEEYVVL ...String:
STIEEQAKTF LDKFNHEAED LFYQSSLASW NYNTNITEEN VQNMNNAGDK WSAFLKEQST LAQMYPLQEI QNLTVKLQLQ ALQQNGSSV LSEDKSKRLN TILNTMSTIY STGKVCNPDN PQECLLLEPG LNEIMANSLD YNERLWAWES WRSEVGKQLR P LYEEYVVL KNEMARANHY EDYGDYWRGD YEVNGVDGYD YSRGQLIEDV EHTFEEIKPL YEHLHAYVRA KLMNAYPSYI SP IGCLPAH LLGDMWGRFW TNLYSLTVPF GQKPNIDVTD AMVDQAWDAQ RIFKEAEKFF VSVGLPNMTQ GFWENSMLTD PGN VQKAVC HPTAWDLGKG DFRILMCTKV TMDDFLTAHH EMGHIQYDMA YAAQPFLLRN GANEGFHEAV GEIMSLSAAT PKHL KSIGL LSPDFQEDNE TEINFLLKQA LTIVGTLPFT YMLEKWRWMV FKGEIPKDQW MKKWWEMKRE IVGVVEPVPH DETYC DPAS LFHVSNDYSF IRYYTRTLYQ FQFQEALCQA AKHEGPLHKC DISNSTEAGQ KLFNMLRLGK SEPWTLALEN VVGAKN MNV RPLLNYFEPL FTWLKDQNKN SFVGWSTDWS PYADPLVPR

UniProtKB: Angiotensin-converting enzyme 2

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Macromolecule #2: Spike protein S1

MacromoleculeName: Spike protein S1 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 22.119957 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: ITNLCPFDEV FNATRFASVY AWNRKRISNC VADYSVLYNF APFFAFKCYG VSPTKLNDLC FTNVYADSFV IRGNEVSQIA PGQTGNIAD YNYKLPDDFT GCVIAWNSNK LDSKVGGNYN YRYRLFRKSN LKPFERDIST EIYQAGNKPC NGVAGVNCYF P LQSYGFRP ...String:
ITNLCPFDEV FNATRFASVY AWNRKRISNC VADYSVLYNF APFFAFKCYG VSPTKLNDLC FTNVYADSFV IRGNEVSQIA PGQTGNIAD YNYKLPDDFT GCVIAWNSNK LDSKVGGNYN YRYRLFRKSN LKPFERDIST EIYQAGNKPC NGVAGVNCYF P LQSYGFRP TYGVGHQPYR VVVLSFELLH APATVCGP

UniProtKB: Spike glycoprotein

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Macromolecule #3: Heavy chain of C092 Fab

MacromoleculeName: Heavy chain of C092 Fab / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 24.114055 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QVQLVQSGAE VKKPGSSVKV SCKASGGSFT NHFISWVRQA PGQGLEWMGR IIPILGTANY AQNFQGRVMM TADKSTSTAY MELSSLRSE DTAVYYCARD SGYSGYGSTY YMDVWGKGTT VTVSSASTKG PSVFPLAPSS KSTSGGTAAL GCLVKDYFPE P VTVSWNSG ...String:
QVQLVQSGAE VKKPGSSVKV SCKASGGSFT NHFISWVRQA PGQGLEWMGR IIPILGTANY AQNFQGRVMM TADKSTSTAY MELSSLRSE DTAVYYCARD SGYSGYGSTY YMDVWGKGTT VTVSSASTKG PSVFPLAPSS KSTSGGTAAL GCLVKDYFPE P VTVSWNSG ALTSGVHTFP AVLQSSGLYS LSSVVTVPSS SLGTQTYICN VNHKPSNTKV DKKVEPKSCD

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Macromolecule #4: Light chain of C092 Fab

MacromoleculeName: Light chain of C092 Fab / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 22.886127 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QSVLTQPPSV SGAPGQRVTI SCTGSNSNIG AGYDVHWYQQ LPGAAPKLLI YGNNNRPSGV PDRFSGSKSD TSASLAITGL QVEDEADYY CQSYDSSLSD SVFGSGTKVT VLGQPKAAPS VTLFPPSSEE LQANKATLVC LISDFYPGAV TVAWKADSSP V KAGVETTT ...String:
QSVLTQPPSV SGAPGQRVTI SCTGSNSNIG AGYDVHWYQQ LPGAAPKLLI YGNNNRPSGV PDRFSGSKSD TSASLAITGL QVEDEADYY CQSYDSSLSD SVFGSGTKVT VLGQPKAAPS VTLFPPSSEE LQANKATLVC LISDFYPGAV TVAWKADSSP V KAGVETTT PSKQSNNKYA ASSYLSLTPE QWKSHRSYSC QVTHEGSTVE KTVAPTECS

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Macromolecule #5: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 5 / Number of copies: 1 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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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: 4 / 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 / Chamber humidity: 100 % / Chamber temperature: 295 K

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.8 µm
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7ydi

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.84 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 229072
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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