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- PDB-8wxl: Structure of the SARS-CoV-2 BA.2.86 spike glycoprotein (closed state) -

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Basic information

Entry
Database: PDB / ID: 8wxl
TitleStructure of the SARS-CoV-2 BA.2.86 spike glycoprotein (closed state)
ComponentsSpike glycoprotein
KeywordsVIRAL PROTEIN / spike protein / glycoprotein / VIRUS
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 / suppression by virus 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 / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / receptor-mediated endocytosis of virus by host cell / membrane fusion / Attachment and Entry / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / 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 / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Betacoronavirus spike glycoprotein S1, receptor binding / 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 2
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.59 Å
AuthorsYajima, H. / Anraku, Y. / Kita, S. / Kimura, K. / Maenaka, K. / Hashiguchi, T.
Funding support Japan, 6items
OrganizationGrant numberCountry
Japan Agency for Medical Research and Development (AMED)JP21am0101093 Japan
Japan Agency for Medical Research and Development (AMED)JP22ama121037 Japan
Japan Science and TechnologyJPMJCR20H8 Japan
Japan Society for the Promotion of Science (JSPS)JPJSCCA20190008 Japan
Japan Society for the Promotion of Science (JSPS)20H05773 Japan
Japan Society for the Promotion of Science (JSPS)JP20H05873 Japan
CitationJournal: Nat Commun / Year: 2024
Title: Structural basis for receptor-binding domain mobility of the spike in SARS-CoV-2 BA.2.86 and JN.1.
Authors: Hisano Yajima / Yuki Anraku / Yu Kaku / Kanako Terakado Kimura / Arnon Plianchaisuk / Kaho Okumura / Yoshiko Nakada-Nakura / Yusuke Atarashi / Takuya Hemmi / Daisuke Kuroda / Yoshimasa ...Authors: Hisano Yajima / Yuki Anraku / Yu Kaku / Kanako Terakado Kimura / Arnon Plianchaisuk / Kaho Okumura / Yoshiko Nakada-Nakura / Yusuke Atarashi / Takuya Hemmi / Daisuke Kuroda / Yoshimasa Takahashi / Shunsuke Kita / Jiei Sasaki / Hiromi Sumita / / Jumpei Ito / Katsumi Maenaka / Kei Sato / Takao Hashiguchi /
Abstract: Since 2019, SARS-CoV-2 has undergone mutations, resulting in pandemic and epidemic waves. The SARS-CoV-2 spike protein, crucial for cellular entry, binds to the ACE2 receptor exclusively when its ...Since 2019, SARS-CoV-2 has undergone mutations, resulting in pandemic and epidemic waves. The SARS-CoV-2 spike protein, crucial for cellular entry, binds to the ACE2 receptor exclusively when its receptor-binding domain (RBD) adopts the up-conformation. However, whether ACE2 also interacts with the RBD in the down-conformation to facilitate the conformational shift to RBD-up remains unclear. Herein, we present the structures of the BA.2.86 and the JN.1 spike proteins bound to ACE2. Notably, we successfully observed the ACE2-bound down-RBD, indicating an intermediate structure before the RBD-up conformation. The wider and mobile angle of RBDs in the up-state provides space for ACE2 to interact with the down-RBD, facilitating the transition to the RBD-up state. The K356T, but not N354-linked glycan, contributes to both of infectivity and neutralizing-antibody evasion in BA.2.86. These structural insights the spike-protein dynamics would help understand the mechanisms underlying SARS-CoV-2 infection and its neutralization.
History
DepositionOct 30, 2023Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 9, 2024Provider: repository / Type: Initial release
Revision 1.1Oct 23, 2024Group: Data collection / Database references / Category: citation / citation_author / em_admin
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _em_admin.last_update
Revision 1.2Nov 6, 2024Group: Data collection / Category: em_admin / Item: _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Spike glycoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)142,03116
Polymers138,3071
Non-polymers3,72515
Water00
1
A: Spike glycoprotein
hetero molecules

A: Spike glycoprotein
hetero molecules

A: Spike glycoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)426,09348
Polymers414,9203
Non-polymers11,17445
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
point symmetry operation2

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Components

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


Mass: 138306.547 Da / Num. of mol.: 1
Mutation: F817P, A892P, A899P, A942P, K986P, V987P, R682G, R683S, R685G
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: 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.: 2
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.: 13 / Source method: obtained synthetically / Formula: C8H15NO6 / Feature type: SUBJECT OF INVESTIGATION
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 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: SARS-CoV-2 BA.2.86 spike glycoprotein / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Molecular weightValue: 0.42 MDa / Experimental value: NO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Source (recombinant)Organism: Homo sapiens (human)
Details of virusEmpty: YES / Enveloped: YES
Natural hostOrganism: Homo sapiens
Buffer solutionpH: 7.4
Buffer component
IDConc.NameFormulaBuffer-ID
10.14 mol/Lsodium chlorideNaCl1
20.0027 mol/Lkalium chlorideKCl1
30.010 mol/Lphosphoric acidH3PO41
SpecimenConc.: 1.2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/2
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 291 K / Details: blotting time 5 s and blotting force 5.

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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 FIELD / Nominal magnification: 130000 X / Nominal defocus max: 1800 nm / Nominal defocus min: 800 nm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 1.5 sec. / Electron dose: 52.45 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of real images: 3500
EM imaging opticsEnergyfilter name: GIF Bioquantum / Energyfilter slit width: 20 eV
Image scansWidth: 5760 / Height: 4092

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Processing

EM software
IDNameVersionCategory
1cryoSPARC4.1.3particle selection
4cryoSPARC4.1.3CTF correction
7UCSF Chimera1.16model fitting
9Coot0.9.8.7model refinement
10PHENIX1.20.1model refinement
11cryoSPARC4.1.3initial Euler assignment
12cryoSPARC4.1.3final Euler assignment
13cryoSPARC4.1.3classification
14cryoSPARC4.1.33D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 1156425
3D reconstructionResolution: 2.59 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 91823 / Symmetry type: POINT
Atomic model buildingProtocol: RIGID BODY FIT / Space: REAL
Atomic model buildingPDB-ID: 8IOT

8iot


Accession code: 8IOT / Source name: PDB / Type: experimental model
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 107.21 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00528605
ELECTRON MICROSCOPYf_angle_d0.577111712
ELECTRON MICROSCOPYf_chiral_restr0.04841373
ELECTRON MICROSCOPYf_plane_restr0.00421485
ELECTRON MICROSCOPYf_dihedral_angle_d6.47251221

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