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- PDB-8p9y: SARS-CoV-2 S protein S:D614G mutant in 3-down with binding site o... -

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Basic information

Entry
Database: PDB / ID: 8p9y
TitleSARS-CoV-2 S protein S:D614G mutant in 3-down with binding site of an entry inhibitor
ComponentsSpike protein S1,Spike glycoprotein
KeywordsVIRAL PROTEIN / Spike / SARS COV-2 / Inhibitor
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
Chem-XIO / Spike glycoprotein
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.3 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 6, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 27, 2023Provider: repository / Type: Initial release
Revision 1.1Oct 16, 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

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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)433,65741
Polymers422,7123
Non-polymers10,94438
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 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
#4: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Na / Feature type: SUBJECT OF INVESTIGATION
#5: Chemical ChemComp-XIO / [(2~{S})-2-[[4-(2-azanylethanoylamino)-7-[[(2~{S})-3-[2-(4-nitrophenyl)sulfanyl-1~{H}-indol-3-yl]-1-oxidanylidene-1-sodiooxy-propan-2-yl]amino]-4-[3-[[(2~{S})-3-[2-(4-nitrophenyl)sulfanyl-1~{H}-indol-3-yl]-1-oxidanylidene-1-sodiooxy-propan-2-yl]amino]-3-oxidanylidene-propyl]-7-oxidanylidene-heptanoyl]amino]-3-[2-(4-nitrophenyl)sulfanyl-1~{H}-indol-3-yl]propanoyl]oxysodium


Mass: 1322.402 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C63H59N11O16S3 / Feature type: SUBJECT OF INVESTIGATION
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

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: UltrAuFoil 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: 4.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 97094 / Symmetry type: POINT
RefinementResolution: 4.3→4.3 Å / Cor.coef. Fo:Fc: 0.547 / SU B: 41.07 / SU ML: 0.48 / ESU R: 0.287
Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflection
Rwork0.53377 --
obs0.53377 1830273 100 %
Solvent computationSolvent model: PARAMETERS FOR MASK CACLULATION
Displacement parametersBiso mean: 165.614 Å2
Baniso -1Baniso -2Baniso -3
1--5.48 Å20.63 Å2-0.73 Å2
2---4.12 Å2-2.49 Å2
3---9.6 Å2
Refinement stepCycle: 1 / Total: 25832
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
ELECTRON MICROSCOPYr_bond_refined_d0.010.0226504
ELECTRON MICROSCOPYr_bond_other_d0.0050.0223554
ELECTRON MICROSCOPYr_angle_refined_deg1.6421.97236183
ELECTRON MICROSCOPYr_angle_other_deg1.389354836
ELECTRON MICROSCOPYr_dihedral_angle_1_deg4.16553222
ELECTRON MICROSCOPYr_dihedral_angle_2_deg28.27724.6881184
ELECTRON MICROSCOPYr_dihedral_angle_3_deg15.576154055
ELECTRON MICROSCOPYr_dihedral_angle_4_deg14.55115104
ELECTRON MICROSCOPYr_chiral_restr0.0840.24171
ELECTRON MICROSCOPYr_gen_planes_refined0.0070.02129368
ELECTRON MICROSCOPYr_gen_planes_other0.0050.025391
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_it2.73516.95812923
ELECTRON MICROSCOPYr_mcbond_other2.73516.95812923
ELECTRON MICROSCOPYr_mcangle_it5.17925.42216125
ELECTRON MICROSCOPYr_mcangle_other5.17925.42416126
ELECTRON MICROSCOPYr_scbond_it1.41117.63513581
ELECTRON MICROSCOPYr_scbond_other1.41117.63613582
ELECTRON MICROSCOPYr_scangle_it
ELECTRON MICROSCOPYr_scangle_other3.08226.35120059
ELECTRON MICROSCOPYr_long_range_B_refined19.166106285
ELECTRON MICROSCOPYr_long_range_B_other19.166106286
ELECTRON MICROSCOPYr_rigid_bond_restr
ELECTRON MICROSCOPYr_sphericity_free
ELECTRON MICROSCOPYr_sphericity_bonded
LS refinement shellResolution: 4.4→4.514 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rwork0.565 135640 -
Rfree-0 -
obs--100 %

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