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- EMDB-60904: Structure of SARS-CoV-2 JN.1 spike glycoprotein in complex with A... -

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Basic information

Entry
Database: EMDB / ID: EMD-60904
TitleStructure of SARS-CoV-2 JN.1 spike glycoprotein in complex with ACE2 (2-up state)
Map data
Sample
  • Complex: SARS-CoV-2 JN.1 spike glycoprotein with ACE2 (2-up state)
Keywordsspike protein / glycoprotein / VIRUS / VIRAL PROTEIN / VIRAL PROTEIN-PROTEIN BINDING complex
Biological speciesSevere acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 3.38 Å
AuthorsYajima H / Anraku Y / Kita S / Kimura K / Maenaka K / Hashiguchi T
Funding support Japan, 5 items
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)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
DepositionJul 21, 2024-
Header (metadata) releaseOct 9, 2024-
Map releaseOct 9, 2024-
UpdateNov 6, 2024-
Current statusNov 6, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_60904.png

Downloads & links

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Map

FileDownload / File: emd_60904.map.gz / Format: CCP4 / Size: 216 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

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AxesZ (Sec.)Y (Row.)X (Col.)
1.01 Å/pix.
x 384 pix.
= 385.92 Å		1.01 Å/pix.
x 384 pix.
= 385.92 Å		1.01 Å/pix.
x 384 pix.
= 385.92 Å

Surface

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1.005 Å
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Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.06
Minimum - Maximum-0.39400092 - 0.62485766
Average (Standard dev.)-0.00025851294 (±0.0141234)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions384384384
Spacing384384384
CellA=B=C: 385.91998 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_60904_msk_1.map
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Half map: #1

Fileemd_60904_half_map_1.map
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Half map: #2

Fileemd_60904_half_map_2.map
Projections & Slices
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Sample components

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Entire : SARS-CoV-2 JN.1 spike glycoprotein with ACE2 (2-up state)

EntireName: SARS-CoV-2 JN.1 spike glycoprotein with ACE2 (2-up state)
Components
  • Complex: SARS-CoV-2 JN.1 spike glycoprotein with ACE2 (2-up state)

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Supramolecule #1: SARS-CoV-2 JN.1 spike glycoprotein with ACE2 (2-up state)

SupramoleculeName: SARS-CoV-2 JN.1 spike glycoprotein with ACE2 (2-up state)
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 600 KDa

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration1.2 mg/mL
BufferpH: 7.4
Component:
ConcentrationFormulaName
0.14 mol/LNaClsodium chloride
0.0027 mol/LKClkalium chloride
0.01 mol/LH3PO4phosphoric acid
GridModel: Quantifoil R2/2 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 60 sec.
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 291 K / Instrument: FEI VITROBOT MARK IV / Details: blotting time 5 s and blotting force 5..

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Electron microscopy

MicroscopeTFS KRIOS
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Digitization - Dimensions - Width: 5760 pixel / Digitization - Dimensions - Height: 4092 pixel / Number real images: 9018 / Average electron dose: 51.233 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 130000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1099575
Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.38 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.3.1) / Number images used: 151271
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.3.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.3.1)
Final 3D classificationNumber classes: 4 / Software - Name: cryoSPARC (ver. 4.3.1)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

8xuy


Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL / Protocol: RIGID BODY FIT

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