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- EMDB-9606: The structure of CVA10 virus A-particle -

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Basic information

Entry
Database: EMDB / ID: EMD-9606
TitleThe structure of CVA10 virus A-particle
Map data
SampleCVA10 virus A-particle:
virus
Biological speciesCoxsackievirus A10
Methodsingle particle reconstruction / cryo EM / Resolution: 3.6 Å
AuthorsZhu R / Zheng QB / Xu LF / Cui YX / Li SW / Yan XD / Zhou ZH / Cheng T
CitationJournal: Sci Adv / Year: 2018
Title: Discovery and structural characterization of a therapeutic antibody against coxsackievirus A10.
Authors: Rui Zhu / Longfa Xu / Qingbing Zheng / Yanxiang Cui / Shaowei Li / Maozhou He / Zhichao Yin / Dongxiao Liu / Shuxuan Li / Zizhen Li / Zhenqin Chen / Hai Yu / Yuqiong Que / Che Liu / Zhibo ...Authors: Rui Zhu / Longfa Xu / Qingbing Zheng / Yanxiang Cui / Shaowei Li / Maozhou He / Zhichao Yin / Dongxiao Liu / Shuxuan Li / Zizhen Li / Zhenqin Chen / Hai Yu / Yuqiong Que / Che Liu / Zhibo Kong / Jun Zhang / Timothy S Baker / Xiaodong Yan / Z Hong Zhou / Tong Cheng / Ningshao Xia /
Abstract: Coxsackievirus A10 (CVA10) recently emerged as a major pathogen of hand, foot, and mouth disease and herpangina in children worldwide, and lack of a vaccine or a cure against CVA10 infections has ...Coxsackievirus A10 (CVA10) recently emerged as a major pathogen of hand, foot, and mouth disease and herpangina in children worldwide, and lack of a vaccine or a cure against CVA10 infections has made therapeutic antibody identification a public health priority. By targeting a local isolate, CVA10-FJ-01, we obtained a potent antibody, 2G8, against all three capsid forms of CVA10. We show that 2G8 exhibited both 100% preventive and 100% therapeutic efficacy against CVA10 infection in mice. Comparisons of the near-atomic cryo-electron microscopy structures of the three forms of CVA10 capsid and their complexes with 2G8 Fab reveal that a single Fab binds a border region across the three capsid proteins (VP1 to VP3) and explain 2G8's remarkable cross-reactivities against all three capsid forms. The atomic structures of this first neutralizing antibody of CVA10 should inform strategies for designing vaccines and therapeutics against CVA10 infections.
History
DepositionJul 28, 2018-
Header (metadata) releaseNov 21, 2018-
Map releaseNov 21, 2018-
UpdateNov 21, 2018-
Current statusNov 21, 2018Processing site: PDBj / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.0967
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by radius
  • Surface level: 0.0967
  • Imaged by UCSF Chimera
  • Download
Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

Downloads & links

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Map

FileDownload / File: emd_9606.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.13 Å/pix.
x 400 pix.
= 451.2 Å
1.13 Å/pix.
x 400 pix.
= 451.2 Å
1.13 Å/pix.
x 400 pix.
= 451.2 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.128 Å
Density
Contour LevelBy AUTHOR: 0.0967 / Movie #1: 0.0967
Minimum - Maximum-0.14393406 - 0.3112481
Average (Standard dev.)0.003973075 (±0.019898903)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 451.2 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.1281.1281.128
M x/y/z400400400
origin x/y/z0.0000.0000.000
length x/y/z451.200451.200451.200
α/β/γ90.00090.00090.000
start NX/NY/NZ-6-10-25
NX/NY/NZ564636
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS400400400
D min/max/mean-0.1440.3110.004

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Supplemental data

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Sample components

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Entire CVA10 virus A-particle

EntireName: CVA10 virus A-particle / Number of components: 1

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Component #1: virus, Coxsackievirus A10

VirusName: Coxsackievirus A10 / Class: VIRION / Empty: No / Enveloped: No / Isolate: STRAIN
SpeciesSpecies: Coxsackievirus A10

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Experimental details

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Sample preparation

SpecimenSpecimen state: Particle / Method: cryo EM
Sample solutionpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Tecnai F30 / Image courtesy: FEI Company
ImagingMicroscope: FEI TECNAI F30
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Electron dose: 25 e/Å2 / Illumination mode: FLOOD BEAM
LensImaging mode: BRIGHT FIELD
Specimen HolderModel: OTHER
CameraDetector: FEI FALCON II (4k x 4k)

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Image processing

ProcessingMethod: single particle reconstruction / Applied symmetry: I (icosahedral) / Number of projections: 9411
3D reconstructionResolution: 3.6 Å / Resolution method: FSC 0.143 CUT-OFF
FSC plot (resolution estimation)

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