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- EMDB-24194: SARS-CoV-2 Spike (2P) in complex with C12C11 Fab -

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Basic information

Entry
Database: EMDB / ID: EMD-24194
TitleSARS-CoV-2 Spike (2P) in complex with C12C11 Fab
Map data
SampleSARS-CoV-2 Spike (2P) in complex with C12C11 Fab
Function / homology
Function and homology information


Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / suppression by virus of host tetherin activity / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / Attachment and Entry / receptor-mediated virion attachment to host cell / endoplasmic reticulum-Golgi intermediate compartment / viral translation / host cell surface receptor binding ...Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / suppression by virus of host tetherin activity / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / Attachment and Entry / receptor-mediated virion attachment to host cell / endoplasmic reticulum-Golgi intermediate compartment / viral translation / host cell surface receptor binding / endocytosis involved in viral entry into host cell / endocytic vesicle membrane / fusion of virus membrane with host plasma membrane / suppression by virus of host type I interferon-mediated signaling pathway / viral protein processing / fusion of virus membrane with host endosome membrane / viral entry into host cell / viral envelope / : / endoplasmic reticulum lumen / host cell plasma membrane / virion membrane / integral component of membrane / identical protein binding
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 / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 1 (HR1) region profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike receptor binding domain superfamily, coronavirus / : ...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 C-terminal (CTD) domain profile. / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 1 (HR1) region profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike receptor binding domain superfamily, coronavirus / : / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Spike glycoprotein S2 superfamily, coronavirus / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S2 / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein S2, coronavirus
Similarity search - Domain/homology
Biological speciesSevere acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 11.7 Å
AuthorsWindsor IW / Bajic G / Tong P / Gautam AK / Wesemann DR / Harrison SC
CitationJournal: Cell / Year: 2021
Title: Memory B cell repertoire for recognition of evolving SARS-CoV-2 spike.
Authors: Pei Tong / Avneesh Gautam / Ian W Windsor / Meghan Travers / Yuezhou Chen / Nicholas Garcia / Noah B Whiteman / Lindsay G A McKay / Nadia Storm / Lauren E Malsick / Anna N Honko / Felipe J N ...Authors: Pei Tong / Avneesh Gautam / Ian W Windsor / Meghan Travers / Yuezhou Chen / Nicholas Garcia / Noah B Whiteman / Lindsay G A McKay / Nadia Storm / Lauren E Malsick / Anna N Honko / Felipe J N Lelis / Shaghayegh Habibi / Simon Jenni / Yongfei Cai / Linda J Rennick / W Paul Duprex / Kevin R McCarthy / Christy L Lavine / Teng Zuo / Junrui Lin / Adam Zuiani / Jared Feldman / Elizabeth A MacDonald / Blake M Hauser / Anthony Griffths / Michael S Seaman / Aaron G Schmidt / Bing Chen / Donna Neuberg / Goran Bajic / Stephen C Harrison / Duane R Wesemann /
Abstract: Memory B cell reserves can generate protective antibodies against repeated SARS-CoV-2 infections, but with unknown reach from original infection to antigenically drifted variants. We charted memory B ...Memory B cell reserves can generate protective antibodies against repeated SARS-CoV-2 infections, but with unknown reach from original infection to antigenically drifted variants. We charted memory B cell receptor-encoded antibodies from 19 COVID-19 convalescent subjects against SARS-CoV-2 spike (S) and found seven major antibody competition groups against epitopes recurrently targeted across individuals. Inclusion of published and newly determined structures of antibody-S complexes identified corresponding epitopic regions. Group assignment correlated with cross-CoV-reactivity breadth, neutralization potency, and convergent antibody signatures. Although emerging SARS-CoV-2 variants of concern escaped binding by many members of the groups associated with the most potent neutralizing activity, some antibodies in each of those groups retained affinity-suggesting that otherwise redundant components of a primary immune response are important for durable protection from evolving pathogens. Our results furnish a global atlas of S-specific memory B cell repertoires and illustrate properties driving viral escape and conferring robustness against emerging variants.
History
DepositionJun 7, 2021-
Header (metadata) releaseAug 4, 2021-
Map releaseAug 4, 2021-
UpdateSep 29, 2021-
Current statusSep 29, 2021Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.02
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by cylindrical radius
  • Surface level: 0.02
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

Downloads & links

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Map

FileDownload / File: emd_24194.map.gz / Format: CCP4 / Size: 8 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
3.39 Å/pix.
x 128 pix.
= 433.92 Å
3.39 Å/pix.
x 128 pix.
= 433.92 Å
3.39 Å/pix.
x 128 pix.
= 433.92 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 3.39 Å
Density
Contour LevelBy AUTHOR: 0.02 / Movie #1: 0.02
Minimum - Maximum-0.025358448 - 0.13885188
Average (Standard dev.)0.0003838406 (±0.008252365)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions128128128
Spacing128128128
CellA=B=C: 433.92 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z3.393.393.39
M x/y/z128128128
origin x/y/z0.0000.0000.000
length x/y/z433.920433.920433.920
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS128128128
D min/max/mean-0.0250.1390.000

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Supplemental data

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Sample components

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Entire SARS-CoV-2 Spike (2P) in complex with C12C11 Fab

EntireName: SARS-CoV-2 Spike (2P) in complex with C12C11 Fab / Number of Components: 1

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Component #1: protein, SARS-CoV-2 Spike (2P) in complex with C12C11 Fab

ProteinName: SARS-CoV-2 Spike (2P) in complex with C12C11 Fab / Recombinant expression: No
SourceSpecies: Severe acute respiratory syndrome coronavirus 2
Source (engineered)Expression System: Homo sapiens (human) / Cell of expression system: expi293F

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Experimental details

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Sample preparation

SpecimenSpecimen State: Particle / Method: cryo EM
Sample solutionSpecimen conc.: 1.2 mg/mL / pH: 7.5
VitrificationInstrument: GATAN CRYOPLUNGE 3 / Cryogen Name: ETHANE / Temperature: 298 K / Humidity: 88 %

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Electron microscopy imaging

Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company
ImagingMicroscope: FEI TALOS ARCTICA
Electron gunElectron Source: FIELD EMISSION GUN / Accelerating Voltage: 200 kV / Electron Dose: 54.368 e/Å2 / Illumination Mode: FLOOD BEAM
LensMagnification: 36000.0 X (nominal) / Cs: 2.7 mm / Imaging Mode: BRIGHT FIELD / Defocus: -1500.0 - -3000.0 nm
Specimen HolderModel: OTHER
CameraDetector: OTHER

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Image acquisition

Image acquisitionSampling Size: 1.13 µm

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Image processing

ProcessingMethod: single particle reconstruction / Applied Symmetry: C3 (3 fold cyclic) / Number of Projections: 16556
3D reconstructionSoftware: RELION / Resolution: 11.7 Å / Resolution Method: FSC 0.143 CUT-OFF

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