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- EMDB-15706: Expanded Coxsackievirus A9 after treatment with endosomal ionic buffer -

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Basic information

Entry
Database: EMDB / ID: EMD-15706
TitleExpanded Coxsackievirus A9 after treatment with endosomal ionic buffer
Map dataion-treated CVA9 cryoEM map
Sample
  • Virus: Coxsackievirus A9
    • Protein or peptide: Capsid protein VP1
    • Protein or peptide: Capsid protein VP2
    • Protein or peptide: Capsid protein VP3
Keywordsicosahedral symmetry / expanded virion / picornavirus / A-particle / VIRUS
Function / homology
Function and homology information


symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of RIG-I activity / picornain 2A / symbiont-mediated suppression of host mRNA export from nucleus / symbiont genome entry into host cell via pore formation in plasma membrane / picornain 3C / T=pseudo3 icosahedral viral capsid / host cell cytoplasmic vesicle membrane / endocytosis involved in viral entry into host cell / nucleoside-triphosphate phosphatase / channel activity ...symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of RIG-I activity / picornain 2A / symbiont-mediated suppression of host mRNA export from nucleus / symbiont genome entry into host cell via pore formation in plasma membrane / picornain 3C / T=pseudo3 icosahedral viral capsid / host cell cytoplasmic vesicle membrane / endocytosis involved in viral entry into host cell / nucleoside-triphosphate phosphatase / channel activity / monoatomic ion transmembrane transport / DNA replication / RNA helicase activity / induction by virus of host autophagy / RNA-directed RNA polymerase / viral RNA genome replication / cysteine-type endopeptidase activity / RNA-dependent RNA polymerase activity / virus-mediated perturbation of host defense response / DNA-templated transcription / host cell nucleus / virion attachment to host cell / structural molecule activity / ATP hydrolysis activity / proteolysis / RNA binding / ATP binding / membrane / metal ion binding
Similarity search - Function
Picornavirus coat protein VP4 superfamily / Poliovirus 3A protein-like / Poliovirus 3A protein like / Picornavirus 2B protein / Poliovirus core protein 3a, soluble domain / Picornavirus 2B protein / Peptidase C3, picornavirus core protein 2A / Picornavirus core protein 2A / Picornavirus coat protein VP4 / Picornavirus coat protein (VP4) ...Picornavirus coat protein VP4 superfamily / Poliovirus 3A protein-like / Poliovirus 3A protein like / Picornavirus 2B protein / Poliovirus core protein 3a, soluble domain / Picornavirus 2B protein / Peptidase C3, picornavirus core protein 2A / Picornavirus core protein 2A / Picornavirus coat protein VP4 / Picornavirus coat protein (VP4) / Peptidase C3A/C3B, picornaviral / 3C cysteine protease (picornain 3C) / Picornavirales 3C/3C-like protease domain / Picornavirales 3C/3C-like protease domain profile. / Picornavirus capsid / picornavirus capsid protein / Helicase, superfamily 3, single-stranded RNA virus / Superfamily 3 helicase of positive ssRNA viruses domain profile. / Helicase, superfamily 3, single-stranded DNA/RNA virus / RNA helicase / Picornavirus/Calicivirus coat protein / Viral coat protein subunit / RNA-directed RNA polymerase, C-terminal domain / Viral RNA-dependent RNA polymerase / Reverse transcriptase/Diguanylate cyclase domain / RNA-directed RNA polymerase, catalytic domain / RdRp of positive ssRNA viruses catalytic domain profile. / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan / DNA/RNA polymerase superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Biological speciesHuman coxsackievirus A9 (strain Griggs) / Coxsackievirus A9
Methodsingle particle reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsDomanska A / Plavec Z / Ruokolainen V / Loflund B / Marjomaki VS / Butcher SJ
Funding support Finland, 4 items
OrganizationGrant numberCountry
Academy of Finland315950 Finland
Academy of Finland336471 Finland
Jane and Aatos Erkko Foundation Finland
Sigrid Juselius Foundation95-7202-38 Finland
CitationJournal: Protein Sci / Year: 2018
Title: UCSF ChimeraX: Meeting modern challenges in visualization and analysis.
Authors: Thomas D Goddard / Conrad C Huang / Elaine C Meng / Eric F Pettersen / Gregory S Couch / John H Morris / Thomas E Ferrin /
Abstract: UCSF ChimeraX is next-generation software for the visualization and analysis of molecular structures, density maps, 3D microscopy, and associated data. It addresses challenges in the size, scope, and ...UCSF ChimeraX is next-generation software for the visualization and analysis of molecular structures, density maps, 3D microscopy, and associated data. It addresses challenges in the size, scope, and disparate types of data attendant with cutting-edge experimental methods, while providing advanced options for high-quality rendering (interactive ambient occlusion, reliable molecular surface calculations, etc.) and professional approaches to software design and distribution. This article highlights some specific advances in the areas of visualization and usability, performance, and extensibility. ChimeraX is free for noncommercial use and is available from http://www.rbvi.ucsf.edu/chimerax/ for Windows, Mac, and Linux.
History
DepositionSep 1, 2022-
Header (metadata) releaseOct 19, 2022-
Map releaseOct 19, 2022-
UpdateJul 24, 2024-
Current statusJul 24, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_15706.png

Downloads & links

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Map

FileDownload / File: emd_15706.map.gz / Format: CCP4 / Size: 163.6 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationion-treated CVA9 cryoEM map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.24 Å/pix.
x 350 pix.
= 434. Å		1.24 Å/pix.
x 350 pix.
= 434. Å		1.24 Å/pix.
x 350 pix.
= 434. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.24 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.033
Minimum - Maximum-0.068779014 - 0.1515521
Average (Standard dev.)0.0017294245 (±0.010388803)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions350350350
Spacing350350350
CellA=B=C: 434.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: ion-treated CVA9 cryoEM half-map 2

Fileemd_15706_half_map_1.map
Annotationion-treated CVA9 cryoEM half-map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: ion-treated CVA9 cryoEM half-map 1

Fileemd_15706_half_map_2.map
Annotationion-treated CVA9 cryoEM half-map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Coxsackievirus A9

EntireName: Coxsackievirus A9
Components
  • Virus: Coxsackievirus A9
    • Protein or peptide: Capsid protein VP1
    • Protein or peptide: Capsid protein VP2
    • Protein or peptide: Capsid protein VP3

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Supramolecule #1: Coxsackievirus A9

SupramoleculeName: Coxsackievirus A9 / type: virus / ID: 1 / Parent: 0 / Macromolecule list: all
Details: native purified CVA9 was treated for 3h at 37 C with endosomal ion composition buffer
NCBI-ID: 12067 / Sci species name: Coxsackievirus A9 / Virus type: VIRION / Virus isolate: STRAIN / Virus enveloped: No / Virus empty: No
Host (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8 MDa
Virus shellShell ID: 1 / Name: icosahedral / Diameter: 300.0 Å / T number (triangulation number): 1

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Macromolecule #1: Capsid protein VP1

MacromoleculeName: Capsid protein VP1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human coxsackievirus A9 (strain Griggs) / Strain: Griggs
Molecular weightTheoretical: 33.86902 KDa
SequenceString: GDVEEAIERA VVHVADTMRS GPSNSASVPA LTAVETGHTS QVTPSDTMQT RHVKNYHSRS ESTVENFLGR SACVYMEEYK TTDNDVNKK FVAWPINTKQ MVQMRRKLEM FTYLRFDMEV TFVITSRQDP GTTLAQDMPV LTHQIMYVPP GGPIPAKVDD Y AWQTSTNP ...String:
GDVEEAIERA VVHVADTMRS GPSNSASVPA LTAVETGHTS QVTPSDTMQT RHVKNYHSRS ESTVENFLGR SACVYMEEYK TTDNDVNKK FVAWPINTKQ MVQMRRKLEM FTYLRFDMEV TFVITSRQDP GTTLAQDMPV LTHQIMYVPP GGPIPAKVDD Y AWQTSTNP SIFWTEGNAP ARMSIPFISI GNAYSNFYDG WSNFDQRGSY GYNTLNNLGH IYVRHVSGSS PHPITSTIRV YF KPKHTRA WVPRPPRLCQ YKKAFSVDFT PTPITDTRKD INTVTTVAQS RRRGDMSTLN TH

UniProtKB: Genome polyprotein

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Macromolecule #2: Capsid protein VP2

MacromoleculeName: Capsid protein VP2 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human coxsackievirus A9 (strain Griggs) / Strain: Griggs
Molecular weightTheoretical: 28.885518 KDa
SequenceString: SPTVEECGYS DRVRSITLGN STITTQECAN VVVGYGRWPT YLRDDEATAE DQPTQPDVAT CRFYTLDSIK WEKGSVGWWW KFPEALSDM GLFGQNMQYH YLGRAGYTIH VQCNASKFHQ GCLLVVCVPE AEMGGAVVGQ AFSATAMANG DKAYEFTSAT Q SDQTKVQT ...String:
SPTVEECGYS DRVRSITLGN STITTQECAN VVVGYGRWPT YLRDDEATAE DQPTQPDVAT CRFYTLDSIK WEKGSVGWWW KFPEALSDM GLFGQNMQYH YLGRAGYTIH VQCNASKFHQ GCLLVVCVPE AEMGGAVVGQ AFSATAMANG DKAYEFTSAT Q SDQTKVQT AIHNAGMGVG VGNLTIYPHQ WINLRTNNSA TIVMPYINSV PMDNMFRHYN FTLMVIPFVK LDYADTASTY VP ITVTVAP MCAEYNGLRL AQAQ

UniProtKB: Genome polyprotein

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Macromolecule #3: Capsid protein VP3

MacromoleculeName: Capsid protein VP3 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human coxsackievirus A9 (strain Griggs) / Strain: Griggs
Molecular weightTheoretical: 26.335072 KDa
SequenceString: GLPTMNTPGS TQFLTSDDFQ SPCALPQFDV TPSMNIPGEV KNLMEIAEVD SVVPVNNVQD TTDQMEMFRI PVTINAPLQQ QVFGLRLQP GLDSVFKHTL LGEILNYYAH WSGSMKLTFV FCGSAMATGK FLIAYSPPGA NPPKTRKDAM LGTHIIWDIG L QSSCVLCV ...String:
GLPTMNTPGS TQFLTSDDFQ SPCALPQFDV TPSMNIPGEV KNLMEIAEVD SVVPVNNVQD TTDQMEMFRI PVTINAPLQQ QVFGLRLQP GLDSVFKHTL LGEILNYYAH WSGSMKLTFV FCGSAMATGK FLIAYSPPGA NPPKTRKDAM LGTHIIWDIG L QSSCVLCV PWISQTHYRL VQQDEYTSAG YVTCWYQTGM IVPPGTPNSS SIMCFASACN DFSVRMLRDT PFISQDNKLQ

UniProtKB: Genome polyprotein

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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

Concentration0.1 mg/mL
BufferpH: 7.25
Details: endosomal ionic composition buffer, pH 7.25, incubated at 37 C for 3 h 20 mM NaCl, 6 mM KH2PO4, 12 mM K2HPO4, 0.5 mM MgCl2, 0.45 mM CaCl2
GridModel: Quantifoil / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 45 sec.
VitrificationCryogen name: ETHANE / Instrument: HOMEMADE PLUNGER
Detailsthis sample was monodisperse

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Image recordingFilm or detector model: FEI FALCON III (4k x 4k) / Detector mode: COUNTING / Average electron dose: 30.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 0.6 µm / Nominal magnification: 120000
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 9702
Startup modelType of model: OTHER
Details: Initial model generated from the data using Relion 2 3D initial model protocol
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3) / Number images used: 8540
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 2) / Details: Relion 2
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3)
Final 3D classificationSoftware - Name: RELION (ver. 3)

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Atomic model buiding 1

Initial modelPDB ID:

1d4m


Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL / Protocol: FLEXIBLE FIT
Output model

PDB-8axx:
Expanded Coxsackievirus A9 after treatment with endosomal ionic buffer

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