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- PDB-8ybz: State - II: Spike 3-up RBD with THSC20.HVTR26 (Fab26) -

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Basic information

Entry
Database: PDB / ID: 8ybz
TitleState - II: Spike 3-up RBD with THSC20.HVTR26 (Fab26)
Components
  • Spike glycoprotein
  • THSC20.HVTR26 (Fab26) - Heavy Chain
  • THSC20.HVTR26 (Fab26) - Light Chain
KeywordsPROTEIN BINDING / Cryo-EM Analysis / Spike Protein / monoclonal antibody
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 / symbiont-mediated-mediated suppression 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 / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / membrane fusion / 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
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
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.8 Å
AuthorsRencilin, C.F. / Bhattacharya, J. / Dutta, S.
Funding support India, United States, 5items
OrganizationGrant numberCountry
Department of Biotechnology (DBT, India)BT/INF/22/SP22844/2017 India
Department of Biotechnology (DBT, India)SR/FST/LSII-039/2015 India
Science and Engineering Research Board (SERB)SERB-EMR/2016/000608and SERB-IPA/2020/000094 India
Bill & Melinda Gates FoundationINV-030592 United States
Department of Biotechnology (DBT, India)IA/TSG/19/1/600019 India
CitationJournal: To Be Published
Title: Cryo-EM structures of two broadly SARS-CoV-2 neutralizing monoclonal antibodies isolated from a single individual that differ in their target specificities
Authors: Rencilin, C.F. / Bhattacharya, J. / Dutta, S.
History
DepositionFeb 16, 2024Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Feb 19, 2025Provider: repository / Type: Initial release
Revision 1.1Jul 2, 2025Group: Data collection / Category: em_software / Item: _em_software.name

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Spike glycoprotein
B: Spike glycoprotein
C: Spike glycoprotein
F: THSC20.HVTR26 (Fab26) - Heavy Chain
I: THSC20.HVTR26 (Fab26) - Light Chain
E: THSC20.HVTR26 (Fab26) - Heavy Chain
H: THSC20.HVTR26 (Fab26) - Light Chain
D: THSC20.HVTR26 (Fab26) - Heavy Chain
G: THSC20.HVTR26 (Fab26) - Light Chain


Theoretical massNumber of molelcules
Total (without water)565,1489
Polymers565,1489
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein Spike glycoprotein / S glycoprotein / E2 / Peplomer protein


Mass: 141263.344 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus
Strain: Wuhan / Gene: S, 2 / Cell line (production host): expi293T / Production host: Homo sapiens (human) / References: UniProt: P0DTC2
#2: Antibody THSC20.HVTR26 (Fab26) - Heavy Chain


Mass: 24233.139 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#3: Antibody THSC20.HVTR26 (Fab26) - Light Chain


Mass: 22886.277 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
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

ComponentName: State - II: Spike 3-up RBD with THSC20.HVTR26 (Fab26) / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company
MicroscopyModel: FEI TALOS ARCTICA
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2750 nm / Nominal defocus min: 1500 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM softwareName: PHENIX / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 4.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 48584 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00335748
ELECTRON MICROSCOPYf_angle_d0.71348675
ELECTRON MICROSCOPYf_dihedral_angle_d5.6264860
ELECTRON MICROSCOPYf_chiral_restr0.0475520
ELECTRON MICROSCOPYf_plane_restr0.0066294

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