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- PDB-9h6u: SARS-CoV-2 S protein in complex with pT1679 Fab -

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Basic information

Entry
Database: PDB / ID: 9h6u
TitleSARS-CoV-2 S protein in complex with pT1679 Fab
Components
  • Spike glycoprotein,Fibritin
  • pT1679 Fab heavy chain
  • pT1679 Fab light chain
KeywordsPROTEIN BINDING / PROTEIN BINDING/IMMUNE SYSTEM
Function / homology
Function and homology information


virion component / 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 ...virion component / 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 / 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
Fibritin C-terminal / Fibritin C-terminal region / 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. ...Fibritin C-terminal / Fibritin C-terminal region / 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
Spike glycoprotein / Fibritin
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
Tequatrovirus T4
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.27 Å
AuthorsHansen, G. / Benecke, T. / Vollmer, B. / Gruenewald, K. / Krey, T.
Funding support Germany, 9items
OrganizationGrant numberCountry
Other government14-76103-184 CORONA-12/20
Other government14-76103-184 CORONA-15/20
German Federal Ministry for Education and ResearchCOVIM (FKZ: 01KX2021) Germany
German Federal Ministry for Education and ResearchRAPID (FKZ: 01KI1723G) Germany
German Research Foundation (DFG)EXC 2155 Germany
German Research Foundation (DFG)2485 VIPER (398066876/GRK 2485/1) Germany
Other government14-76403-184
Other government14-76103-184
Other governmentMWK TiHO SARS-COV-2
CitationJournal: To be published
Title: A critical residue in a conserved RBD epitope determines neutralization breadth of pan-sarbecovirus antibodies
Authors: Stein, C.S. / Hansen, G. / Ssebyatika, G.L. / Benecke, T. / Stroeh, L. / Rajak, M.K. / Menz, S. / Waldmann, J.-Y. / Vollmer, B. / Tipp, S. / Ochulor, O. / Herold, E. / Schwarzloh, B. / ...Authors: Stein, C.S. / Hansen, G. / Ssebyatika, G.L. / Benecke, T. / Stroeh, L. / Rajak, M.K. / Menz, S. / Waldmann, J.-Y. / Vollmer, B. / Tipp, S. / Ochulor, O. / Herold, E. / Schwarzloh, B. / Mutschall, D. / Zischke, J.-Y. / Cordes, A. / Schneider, T. / Hinrichs, I. / Blasczyk, R. / Kleine-Weber, H. / Hoffmann, M. / Klein, F. / Hoeper, M. / Kaiser, F.K. / Gonzalez-Hernandez, M. / Armando, F.K. / Ciurkiewicz, M. / Beythien, G. / Poehlmann, S. / Baumgaertner, W. / Gruenewald, K. / Osterhaus, A. / Krey, T. / Schulz, T.
History
DepositionOct 25, 2024Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 23, 2025Provider: repository / Type: Initial release
Revision 1.0Jul 23, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jul 23, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Jul 23, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 23, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jul 23, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jul 23, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Spike glycoprotein,Fibritin
H: pT1679 Fab heavy chain
L: pT1679 Fab light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)191,5224
Polymers191,3003
Non-polymers2211
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Spike glycoprotein,Fibritin / S glycoprotein / E2 / Peplomer protein / Collar protein / Whisker antigen control protein


Mass: 140735.234 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2, (gene. exp.) Tequatrovirus T4
Gene: S, 2, wac / Cell line (production host): HEK293ExPi / Production host: Homo sapiens (human) / References: UniProt: P0DTC2, UniProt: P10104
#2: Antibody pT1679 Fab heavy chain


Mass: 27693.107 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): S2 / Production host: Drosophila melanogaster (fruit fly)
#3: Antibody pT1679 Fab light chain


Mass: 22872.146 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): S2 / Production host: Drosophila melanogaster (fruit fly)
#4: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H15NO6 / Feature type: SUBJECT OF INVESTIGATION
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

Component
IDNameTypeEntity IDParent-IDSource
13:3 pT1679 Fab-Spike complexCOMPLEX#1-#30RECOMBINANT
2pT1679 FabCOMPLEX#2-#31RECOMBINANT
3Spike protein S1COMPLEX#11RECOMBINANT
Molecular weight
IDEntity assembly-IDExperimental value
11NO
22
33
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
12Homo sapiens (human)9606
23Severe acute respiratory syndrome coronavirus 22697049
33Enterobacteria phage T4 (virus)10665
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-IDCell
22Drosophila melanogaster (fruit fly)7227S2
43Homo sapiens (human)9606HEK293ExPi
Buffer solutionpH: 7.4
SpecimenConc.: 0.34 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 500 nm
Specimen holderCryogen: NITROGEN
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM software
IDNameCategory
10cryoSPARCinitial Euler assignment
11cryoSPARCfinal Euler assignment
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.27 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 454108 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0033438
ELECTRON MICROSCOPYf_angle_d0.4874678
ELECTRON MICROSCOPYf_dihedral_angle_d3.631487
ELECTRON MICROSCOPYf_chiral_restr0.043497
ELECTRON MICROSCOPYf_plane_restr0.008611

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