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- PDB-8bon: Structure of the SARS-CoV-2 spike glycoprotein in complex with th... -

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Basic information

Entry
Database: PDB / ID: 8bon
TitleStructure of the SARS-CoV-2 spike glycoprotein in complex with the macrocyclic peptide S1B3inL1
Components
  • Macrocyclic peptide S1B3inL1
  • Spike glycoprotein,Fibritin
KeywordsVIRAL PROTEIN / Glycoprotein / macrocyclic peptide / Complex / Inhibitor
Function / homology
Function and homology information


virion component / Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion ...virion component / Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / entry receptor-mediated virion attachment to host cell / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / membrane fusion / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / virion membrane / membrane / identical protein binding / 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 / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus ...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 / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike glycoprotein, betacoronavirus / 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 2 (HR2) region profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 1 (HR1) region profile. / Spike glycoprotein S2 superfamily, coronavirus / Spike glycoprotein S2, coronavirus / Coronavirus spike glycoprotein S2 / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal
Similarity search - Domain/homology
Spike glycoprotein / Fibritin
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
Tequatrovirus T4
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsHurdiss, D.L.
Funding support Switzerland, 1items
OrganizationGrant numberCountry
Innovative Medicines Initiative101005077 Switzerland
CitationJournal: Proc Natl Acad Sci U S A / Year: 2023
Title: A broad-spectrum macrocyclic peptide inhibitor of the SARS-CoV-2 spike protein.
Authors: Vito Thijssen / Daniel L Hurdiss / Oliver J Debski-Antoniak / Matthew A Spence / Charlotte Franck / Alexander Norman / Anupriya Aggarwal / Nadia J Mokiem / David A A van Dongen / Stein W ...Authors: Vito Thijssen / Daniel L Hurdiss / Oliver J Debski-Antoniak / Matthew A Spence / Charlotte Franck / Alexander Norman / Anupriya Aggarwal / Nadia J Mokiem / David A A van Dongen / Stein W Vermeir / Minglong Liu / Wentao Li / Marianthi Chatziandreou / Tim Donselaar / Wenjuan Du / Ieva Drulyte / Berend-Jan Bosch / Joost Snijder / Stuart G Turville / Richard J Payne / Colin J Jackson / Frank J M van Kuppeveld / Seino A K Jongkees /
Abstract: The ongoing COVID-19 pandemic has had great societal and health consequences. Despite the availability of vaccines, infection rates remain high due to immune evasive Omicron sublineages. Broad- ...The ongoing COVID-19 pandemic has had great societal and health consequences. Despite the availability of vaccines, infection rates remain high due to immune evasive Omicron sublineages. Broad-spectrum antivirals are needed to safeguard against emerging variants and future pandemics. We used messenger RNA (mRNA) display under a reprogrammed genetic code to find a spike-targeting macrocyclic peptide that inhibits SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) Wuhan strain infection and pseudoviruses containing spike proteins of SARS-CoV-2 variants or related sarbecoviruses. Structural and bioinformatic analyses reveal a conserved binding pocket between the receptor-binding domain, N-terminal domain, and S2 region, distal to the angiotensin-converting enzyme 2 receptor-interaction site. Our data reveal a hitherto unexplored site of vulnerability in sarbecoviruses that peptides and potentially other drug-like molecules can target.
History
DepositionNov 15, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jun 28, 2023Provider: repository / Type: Initial release
Revision 1.1Jul 5, 2023Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
B: Spike glycoprotein,Fibritin
E: Macrocyclic peptide S1B3inL1
D: Macrocyclic peptide S1B3inL1
A: Spike glycoprotein,Fibritin
C: Spike glycoprotein,Fibritin
F: Macrocyclic peptide S1B3inL1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)440,50942
Polymers429,9046
Non-polymers10,60536
Water0
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area42390 Å2
ΔGint-26 kcal/mol
Surface area143630 Å2
MethodPISA

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Components

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


Mass: 141048.734 Da / Num. of mol.: 3
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 / Plasmid: pCAGGS / Cell line (production host): HEK-293T / Production host: Homo sapiens (human) / References: UniProt: P0DTC2, UniProt: P10104
#2: Protein/peptide Macrocyclic peptide S1B3inL1


Mass: 2252.641 Da / Num. of mol.: 3 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#3: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 13
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#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 / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 23 / Source method: obtained synthetically / Formula: C8H15NO6
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 interestN

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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
1SARS-CoV-2 spike glycoprotein in complex with the macrocyclic peptide S1B3inL1COMPLEX#1-#20MULTIPLE SOURCES
2SARS-CoV-2 spike glycoprotein (with fibritin tag)COMPLEX#11RECOMBINANT
3Macrocyclic peptide S1B3inL1COMPLEX#21RECOMBINANT
Molecular weightValue: 0.429 MDa / Experimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-IDStrain
22Severe acute respiratory syndrome coronavirus 22697049Wuhan-Hu-1
32Tequatrovirus T410665
43Synthetic construct (others)32630
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-IDCellPlasmid
22Homo sapiens (human)9606HEK-293TpCAGGS
42Homo sapiens (human)9606HEK-293TpCAGGS
33Synthetic construct (others)32630
Buffer solutionpH: 8
SpecimenConc.: 4.2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid type: Quantifoil R1.2/1.3
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 FIELDBright-field microscopy / Nominal magnification: 130000 X / Nominal defocus max: 1500 nm / Nominal defocus min: 750 nm / Cs: 2.7 mm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 7.19 sec. / Electron dose: 49 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k) / Num. of grids imaged: 1 / Num. of real images: 2612
EM imaging opticsEnergyfilter name: TFS Selectris X / Energyfilter slit width: 10 eV

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Processing

SoftwareName: PHENIX / Version: 1.19.2_4158: / Classification: refinement
EM software
IDNameVersionCategory
1RELION3.1.3particle selection
2EPU2image acquisition
4CTFFIND4CTF correction
9RELION3.1.3initial Euler assignment
10RELION3.1.3final Euler assignment
11RELION3.1.3classification
12RELION3.1.33D reconstruction
13PHENIX1.19.2_4158model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 483282
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 38457 / Num. of class averages: 1 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00426545
ELECTRON MICROSCOPYf_angle_d0.47736166
ELECTRON MICROSCOPYf_dihedral_angle_d4.0783789
ELECTRON MICROSCOPYf_chiral_restr0.0434242
ELECTRON MICROSCOPYf_plane_restr0.0044628

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