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- EMDB-39570: Cryo-EM structure of enterovirus A71 empty particle -

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Basic information

Entry
Database: EMDB / ID: EMD-39570
TitleCryo-EM structure of enterovirus A71 empty particle
Map data
Sample
  • Virus: Enterovirus A71
    • Protein or peptide: Capsid protein VP1
    • Protein or peptide: Capsid protein VP2
    • Protein or peptide: Capsid protein VP3
KeywordsCryo-EM STRUCTURE / VIRUS / ENTEROVIRUS A71
Function / homology
Function and homology information


symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MDA-5 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 / channel activity / host cell cytoplasmic vesicle membrane / cytoplasmic vesicle membrane / endocytosis involved in viral entry into host cell ...symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MDA-5 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 / channel activity / host cell cytoplasmic vesicle membrane / cytoplasmic vesicle membrane / endocytosis involved in viral entry into host cell / monoatomic ion transmembrane transport / nucleoside-triphosphate phosphatase / 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 / metal ion binding
Similarity search - Function
Picornavirus coat protein / 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 / 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) / Picornavirales 3C/3C-like protease domain / Picornavirales 3C/3C-like protease domain profile. / Peptidase C3A/C3B, picornaviral / 3C cysteine protease (picornain 3C) / 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 speciesEnterovirus A71
Methodsingle particle reconstruction / cryo EM / Resolution: 2.96 Å
AuthorsJiang Y / Huang Y / Zhu R / Zheng Q / Li S / Xia N
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Cryo-EM structure of enterovirus A71 empty particle
Authors: Jiang Y / Huang Y / Zhu R / Zheng Q / Li S / Xia N
History
DepositionMar 25, 2024-
Header (metadata) releaseSep 4, 2024-
Map releaseSep 4, 2024-
UpdateSep 4, 2024-
Current statusSep 4, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_39570.png

Downloads & links

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Map

FileDownload / File: emd_39570.map.gz / Format: CCP4 / Size: 343 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 Å/pix.
x 448 pix.
= 448. Å		1 Å/pix.
x 448 pix.
= 448. Å		1 Å/pix.
x 448 pix.
= 448. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.15
Minimum - Maximum-0.7198997 - 1.121362
Average (Standard dev.)0.0008310589 (±0.072146915)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions448448448
Spacing448448448
CellA=B=C: 448.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Enterovirus A71

EntireName: Enterovirus A71
Components
  • Virus: Enterovirus A71
    • Protein or peptide: Capsid protein VP1
    • Protein or peptide: Capsid protein VP2
    • Protein or peptide: Capsid protein VP3

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Supramolecule #1: Enterovirus A71

SupramoleculeName: Enterovirus A71 / type: virus / ID: 1 / Parent: 0 / Macromolecule list: all / NCBI-ID: 39054 / Sci species name: Enterovirus A71 / Virus type: VIRION / Virus isolate: OTHER / Virus enveloped: No / Virus empty: Yes

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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: Enterovirus A71
Molecular weightTheoretical: 32.730848 KDa
SequenceString: GDRVADVIES SIGDSVSRAL THALPAPTGQ DTQVSSHRLD TGKVPALQAA EIGASSNASD ESMIETRCVL NSHSTAETTL DSFFSRAGL VGEIDLPLKG TTNPNGYANW DIDITGYAQM RRKVELFTYM RFDAEFTFVA CTPTGEVVPQ LLQYMFVPPG A PKPDSRES ...String:
GDRVADVIES SIGDSVSRAL THALPAPTGQ DTQVSSHRLD TGKVPALQAA EIGASSNASD ESMIETRCVL NSHSTAETTL DSFFSRAGL VGEIDLPLKG TTNPNGYANW DIDITGYAQM RRKVELFTYM RFDAEFTFVA CTPTGEVVPQ LLQYMFVPPG A PKPDSRES LAWQTATNPS VFVKLSDPPA QVSVPFMSPA SAYQWFYDGY PTFGEHKQEK DLEYGACPNN MMGTFSVRTV GT SKSKYPL VVRIYMRMKH VRAWIPRPMR NQNYLFKANP NYAGNSIKPT GTSRTAITTL

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: Enterovirus A71
Molecular weightTheoretical: 27.726135 KDa
SequenceString: SPSAEACGYS DRVAQLTIGN STITTQEAAN IIVGYGEWPS YCSDSDATAV DKPTRPDVSV NRFYTLDTKL WEKSSKGWYW KFPDVLTET GVFGQNAQFH YLYRSGFCIH VQCNASKFHQ GALLVAVLPE YVIGTVAGGT GTEDSHPPYK QTQPGADGFE L QHPYVLDA ...String:
SPSAEACGYS DRVAQLTIGN STITTQEAAN IIVGYGEWPS YCSDSDATAV DKPTRPDVSV NRFYTLDTKL WEKSSKGWYW KFPDVLTET GVFGQNAQFH YLYRSGFCIH VQCNASKFHQ GALLVAVLPE YVIGTVAGGT GTEDSHPPYK QTQPGADGFE L QHPYVLDA GIPISQLTVC PHQWINLRTN NCATIIVPYI NALPFDSALN HCNFGLLVVP ISPLDYDQGA TPVIPITITL AP MCSEFAG LRQAVTQ

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: Enterovirus A71
Molecular weightTheoretical: 26.468225 KDa
SequenceString: GFPTELKPGT NQFLTTDDGV SAPILPNFHP TPCIHIPGEV RNLLELCQVE TILEVNNVPT NATSLMERLR FPVSAQAGKG ELCAVFRAD PGRNGPWQST LLGQLCGYYT QWSGSLEVTF MFTGSFMATG KMLIAYTPPG GPLPKDRATA MLGTHVIWDF G LQSSVTLV ...String:
GFPTELKPGT NQFLTTDDGV SAPILPNFHP TPCIHIPGEV RNLLELCQVE TILEVNNVPT NATSLMERLR FPVSAQAGKG ELCAVFRAD PGRNGPWQST LLGQLCGYYT QWSGSLEVTF MFTGSFMATG KMLIAYTPPG GPLPKDRATA MLGTHVIWDF G LQSSVTLV IPWISNTHYR AHARDGVFDY YTTGLVSIWY QTNYVVPIGA PNTAYIIALA AAQKNFTMKL CKDASDILQT GT IQ

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

BufferpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TECNAI F30
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 40.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 0.7000000000000001 µm
Experimental equipment
Model: Tecnai F30 / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.96 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 41922
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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