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- PDB-7s0e: Structure of the SARS-CoV-2 S1 subunit in complex with antibody N... -

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Basic information

Entry
Database: PDB / ID: 7s0e
TitleStructure of the SARS-CoV-2 S1 subunit in complex with antibody N-612-004
Components
  • N-612-004 Fab heavy chain
  • N-612-004 Light Chain
  • Spike glycoprotein
KeywordsVIRAL PROTEIN/IMMUNE SYSTEM / SARS-CoV-2 / Antibody / COVID-19 / Spike glycoprotein / mRNA Display / ANTIVIRAL PROTEIN / VIRAL PROTEIN-IMMUNE SYSTEM 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 speciesSevere acute respiratory syndrome coronavirus 2
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.9 Å
AuthorsBarnes, C.O. / Bjorkman, P.J.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)P01-AI138938-S1 United States
Citation
Journal: Cell Rep / Year: 2022
Title: Rapid identification of neutralizing antibodies against SARS-CoV-2 variants by mRNA display.
Authors: Shiho Tanaka / C Anders Olson / Christopher O Barnes / Wendy Higashide / Marcos Gonzalez / Justin Taft / Ashley Richardson / Marta Martin-Fernandez / Dusan Bogunovic / Priyanthi N P ...Authors: Shiho Tanaka / C Anders Olson / Christopher O Barnes / Wendy Higashide / Marcos Gonzalez / Justin Taft / Ashley Richardson / Marta Martin-Fernandez / Dusan Bogunovic / Priyanthi N P Gnanapragasam / Pamela J Bjorkman / Patricia Spilman / Kayvan Niazi / Shahrooz Rabizadeh / Patrick Soon-Shiong /
Abstract: The increasing prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants with the ability to escape existing humoral protection conferred by previous infection and/or ...The increasing prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants with the ability to escape existing humoral protection conferred by previous infection and/or immunization necessitates the discovery of broadly reactive neutralizing antibodies (nAbs). Utilizing mRNA display, we identify a set of antibodies against SARS-CoV-2 spike (S) proteins and characterize the structures of nAbs that recognize epitopes in the S1 subunit of the S glycoprotein. These structural studies reveal distinct binding modes for several antibodies, including the targeting of rare cryptic epitopes in the receptor-binding domain (RBD) of S that interact with angiotensin-converting enzyme 2 (ACE2) to initiate infection, as well as the S1 subdomain 1. Further, we engineer a potent ACE2-blocking nAb to sustain binding to S RBD with the E484K and L452R substitutions found in multiple SARS-CoV-2 variants. We demonstrate that mRNA display is an approach for the rapid identification of nAbs that can be used in combination to combat emerging SARS-CoV-2 variants.
#1: Journal: bioRxiv / Year: 2021
Title: Rapid Identification of Neutralizing Antibodies against SARS-CoV-2 Variants by mRNA Display.
Authors: Shiho Tanaka / C Anders Olson / Christopher O Barnes / Wendy Higashide / Marcos Gonzalez / Justin Taft / Ashley Richardson / Marta Martin-Fernandez / Dusan Bogunovic / Priyanthi N P ...Authors: Shiho Tanaka / C Anders Olson / Christopher O Barnes / Wendy Higashide / Marcos Gonzalez / Justin Taft / Ashley Richardson / Marta Martin-Fernandez / Dusan Bogunovic / Priyanthi N P Gnanapragasam / Pamela J Bjorkman / Patricia Spilman / Kayvan Niazi / Shahrooz Rabizadeh / Patrick Soon-Shiong
Abstract: The increasing prevalence of SARS-CoV-2 variants with the ability to escape existing humoral protection conferred by previous infection and/or immunization necessitates the discovery of broadly- ...The increasing prevalence of SARS-CoV-2 variants with the ability to escape existing humoral protection conferred by previous infection and/or immunization necessitates the discovery of broadly-reactive neutralizing antibodies (nAbs). Utilizing mRNA display, we identified a set of antibodies against SARS-CoV-2 spike (S) proteins and characterized the structures of nAbs that recognized epitopes in the S1 subunit of the S glycoprotein. These structural studies revealed distinct binding modes for several antibodies, including targeting of rare cryptic epitopes in the receptor-binding domain (RBD) of S that interacts with angiotensin- converting enzyme 2 (ACE2) to initiate infection, as well as the S1 subdomain 1. A potent ACE2-blocking nAb was further engineered to sustain binding to S RBD with the E484K and L452R substitutions found in multiple SARS-CoV-2 variants. We demonstrate that mRNA display is a promising approach for the rapid identification of nAbs that can be used in combination to combat emerging SARS-CoV-2 variants.
History
DepositionAug 30, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 6, 2021Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Additional map / Data content type: Additional map / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Mask / Data content type: Mask / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
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Revision 1.0Oct 6, 2021Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Mask / Data content type: Mask / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Additional map / Data content type: Additional map / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Oct 6, 2021Data content type: Mask / Data content type: Mask / Provider: repository / Type: Initial release
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Revision 1.1Mar 16, 2022Group: Database references / Category: citation / citation_author
Revision 1.2Oct 23, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / citation / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _citation.journal_id_ISSN / _em_admin.last_update
Revision 1.3Jun 4, 2025Group: Data collection / Category: em_admin / em_software / Item: _em_admin.last_update / _em_software.name
Revision 1.1Jun 4, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Data processing / Experimental summary / Data content type: EM metadata / EM metadata / Category: em_admin / em_software / Data content type: EM metadata / EM metadata / Item: _em_admin.last_update / _em_software.name

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Assembly

Deposited unit
A: Spike glycoprotein
H: N-612-004 Fab heavy chain
L: N-612-004 Light Chain


Theoretical massNumber of molelcules
Total (without water)189,0383
Polymers189,0383
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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


Mass: 141157.391 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Gene: S, 2 / Production host: Homo sapiens (human) / References: UniProt: P0DTC2
#2: Antibody N-612-004 Fab heavy chain


Mass: 24349.105 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#3: Antibody N-612-004 Light Chain


Mass: 23531.979 Da / Num. of mol.: 1
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: Trimeric complex of SARS-CoV-2 spike glycoprotein bound to N-612-014 Fab fragments
Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 8
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: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1

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Processing

SoftwareName: PHENIX / Version: 1.19.1_4122: / Classification: refinement
EM software
IDNameVersionCategory
8PHENIXmodel refinement
11cryoSPARC3.1final Euler assignment
12cryoSPARC3.1classification
13cryoSPARC3.13D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 4.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 107271 / Num. of class averages: 1 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0038436
ELECTRON MICROSCOPYf_angle_d0.72211495
ELECTRON MICROSCOPYf_dihedral_angle_d6.3031158
ELECTRON MICROSCOPYf_chiral_restr0.0461295
ELECTRON MICROSCOPYf_plane_restr0.0061488

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