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- PDB-8p99: SARS-CoV-2 S-protein:D614G mutant in 1-up conformation -

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Basic information

Entry
Database: PDB / ID: 8p99
TitleSARS-CoV-2 S-protein:D614G mutant in 1-up conformation
ComponentsSpike protein S1,Spike glycoprotein
KeywordsVIRAL PROTEIN / Spike / SARS COV-2 / Inhibitor
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
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsAdhav, A. / Forcada-Nadal, A. / Marco-Marin, C. / Lopez-Redondo, M.L. / Llacer, J.L.
Funding supportEuropean Union, Spain, 4items
OrganizationGrant numberCountry
European CommissionEU 2020/2094European Union
Spanish Ministry of Science, Innovation, and UniversitiesPID2020 116880GB-I00 Spain
Spanish Ministry of Science, Innovation, and UniversitiesPID2020 120322RB-C21 Spain
Spanish National Research Council202080E110 Spain
CitationJournal: J Med Chem / Year: 2023
Title: C-2 Thiophenyl Tryptophan Trimers Inhibit Cellular Entry of SARS-CoV-2 through Interaction with the Viral Spike (S) Protein.
Authors: Marta Gargantilla / Clara Francés / Anmol Adhav / Alicia Forcada-Nadal / Belén Martínez-Gualda / Olaia Martí-Marí / María Luisa López-Redondo / Roberto Melero / Clara Marco-Marín / ...Authors: Marta Gargantilla / Clara Francés / Anmol Adhav / Alicia Forcada-Nadal / Belén Martínez-Gualda / Olaia Martí-Marí / María Luisa López-Redondo / Roberto Melero / Clara Marco-Marín / Nadine Gougeard / Carolina Espinosa / Antonio Rubio-Del-Campo / Rafael Ruiz-Partida / María Del Pilar Hernández-Sierra / Laura Villamayor-Belinchón / Jerónimo Bravo / José-Luis Llacer / Alberto Marina / Vicente Rubio / Ana San-Félix / Ron Geller / María-Jesús Pérez-Pérez /
Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes COVID-19, by infecting cells via the interaction of its spike protein (S) with the primary cell receptor angiotensin-converting ...Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes COVID-19, by infecting cells via the interaction of its spike protein (S) with the primary cell receptor angiotensin-converting enzyme (ACE2). To search for inhibitors of this key step in viral infection, we screened an in-house library of multivalent tryptophan derivatives. Using VSV-S pseudoparticles, we identified compound as a potent entry inhibitor lacking cellular toxicity. Chemical optimization of rendered compounds and , which also potently inhibited genuine SARS-CoV-2 cell entry. Thermofluor and microscale thermophoresis studies revealed their binding to S and to its isolated receptor binding domain (RBD), interfering with the interaction with ACE2. High-resolution cryoelectron microscopy structure of S, free or bound to , shed light on cell entry inhibition mechanisms by these compounds. Overall, this work identifies and characterizes a new class of SARS-CoV-2 entry inhibitors with clear potential for preventing and/or fighting COVID-19.
History
DepositionJun 5, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 27, 2023Provider: repository / Type: Initial release
Revision 1.1Nov 13, 2024Group: Data collection / Structure summary
Category: em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Spike protein S1,Spike glycoprotein
B: Spike protein S1,Spike glycoprotein
C: Spike protein S1,Spike glycoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)432,26537
Polymers422,7123
Non-polymers9,55334
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area36500 Å2
ΔGint-40 kcal/mol
Surface area146480 Å2
MethodPISA

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Components

#1: Protein Spike protein S1,Spike glycoprotein / S glycoprotein / E2 / Peplomer protein


Mass: 140904.109 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Gene: S, 2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P0DTC2
#2: 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.: 10
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam 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
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#3: 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.: 24 / 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
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: Spike glycoprotein - Severe acute respiratory syndrome coronavirus 2
Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Molecular weightUnits: KILODALTONS/NANOMETER / Experimental value: NO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7.2 / Details: HEPES pH 7.2 150 mM NaCl
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: LEICA EM GP / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 283.15 K

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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: OTHER / Nominal defocus max: 2500 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 30 e/Å2 / Film or detector model: FEI FALCON III (4k x 4k)

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Processing

EM software
IDNameVersionCategory
1Scipionparticle selection
2REFMAC5.8.0158model refinement
3EPUimage acquisition
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 278833 / Symmetry type: POINT
RefinementResolution: 3.4→3.4 Å / Cor.coef. Fo:Fc: 0.567 / SU B: 10.909 / SU ML: 0.17 / ESU R: 0.122
Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflection
Rwork0.42274 --
obs0.42274 3796888 100 %
Solvent computationSolvent model: PARAMETERS FOR MASK CACLULATION
Displacement parametersBiso mean: 50.231 Å2
Baniso -1Baniso -2Baniso -3
1-0.04 Å20.03 Å20.12 Å2
2--0.24 Å20.33 Å2
3----0.28 Å2
Refinement stepCycle: 1 / Total: 25704
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
ELECTRON MICROSCOPYr_bond_refined_d0.0110.0226367
ELECTRON MICROSCOPYr_bond_other_d0.0050.0223443
ELECTRON MICROSCOPYr_angle_refined_deg1.6011.97235986
ELECTRON MICROSCOPYr_angle_other_deg1.48354585
ELECTRON MICROSCOPYr_dihedral_angle_1_deg3.36253203
ELECTRON MICROSCOPYr_dihedral_angle_2_deg28.51724.6951180
ELECTRON MICROSCOPYr_dihedral_angle_3_deg15.267154042
ELECTRON MICROSCOPYr_dihedral_angle_4_deg13.80415104
ELECTRON MICROSCOPYr_chiral_restr0.0840.24150
ELECTRON MICROSCOPYr_gen_planes_refined0.0070.02129195
ELECTRON MICROSCOPYr_gen_planes_other0.0060.025361
ELECTRON MICROSCOPYr_nbd_refined
ELECTRON MICROSCOPYr_nbd_other
ELECTRON MICROSCOPYr_nbtor_refined
ELECTRON MICROSCOPYr_nbtor_other
ELECTRON MICROSCOPYr_xyhbond_nbd_refined
ELECTRON MICROSCOPYr_xyhbond_nbd_other
ELECTRON MICROSCOPYr_metal_ion_refined
ELECTRON MICROSCOPYr_metal_ion_other
ELECTRON MICROSCOPYr_symmetry_vdw_refined
ELECTRON MICROSCOPYr_symmetry_vdw_other
ELECTRON MICROSCOPYr_symmetry_hbond_refined
ELECTRON MICROSCOPYr_symmetry_hbond_other
ELECTRON MICROSCOPYr_symmetry_metal_ion_refined
ELECTRON MICROSCOPYr_symmetry_metal_ion_other
ELECTRON MICROSCOPYr_mcbond_it0.4915.16912850
ELECTRON MICROSCOPYr_mcbond_other0.4915.16912850
ELECTRON MICROSCOPYr_mcangle_it0.9467.75116032
ELECTRON MICROSCOPYr_mcangle_other0.9467.75116033
ELECTRON MICROSCOPYr_scbond_it0.145.29213517
ELECTRON MICROSCOPYr_scbond_other0.145.29213518
ELECTRON MICROSCOPYr_scangle_it
ELECTRON MICROSCOPYr_scangle_other0.3927.91619955
ELECTRON MICROSCOPYr_long_range_B_refined3.656103486
ELECTRON MICROSCOPYr_long_range_B_other3.656103487
ELECTRON MICROSCOPYr_rigid_bond_restr
ELECTRON MICROSCOPYr_sphericity_free
ELECTRON MICROSCOPYr_sphericity_bonded
LS refinement shellResolution: 3.45→3.54 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rwork0.56 281906 -
Rfree-0 -
obs--100 %

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