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- EMDB-4189: Structure of deformed wing virus carrying the GFP gene -

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Basic information

Entry
Database: EMDB / ID: EMD-4189
TitleStructure of deformed wing virus carrying the GFP gene
Map data
Sample
  • Virus: Deformed wing virus
    • Protein or peptide: Genome polyprotein
    • Protein or peptide: Genome polyprotein
    • Protein or peptide: Genome polyprotein
KeywordsDeformed wing virus / Picornavirales / Iflaviridae / Iflavirus / viral protein
Function / homology
Function and homology information


host cell membrane / viral capsid / host cell cytoplasm / RNA helicase activity / viral RNA genome replication / cysteine-type endopeptidase activity / RNA-dependent RNA polymerase activity / DNA-templated transcription / structural molecule activity / proteolysis ...host cell membrane / viral capsid / host cell cytoplasm / RNA helicase activity / viral RNA genome replication / cysteine-type endopeptidase activity / RNA-dependent RNA polymerase activity / DNA-templated transcription / structural molecule activity / proteolysis / RNA binding / ATP binding / membrane / cytoplasm
Similarity search - Function
Dicistrovirus, capsid-polyprotein, C-terminal / CRPV capsid protein like / 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 ...Dicistrovirus, capsid-polyprotein, C-terminal / CRPV capsid protein like / 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. / 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
Genome polyprotein / Genome polyprotein / Genome polyprotein
Similarity search - Component
Biological speciesDeformed wing virus
Methodsingle particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsSkubnik K / Plevka P
Funding support2 items
OrganizationGrant numberCountry
European Research Council355855
European Molecular Biology Organization3041
CitationJournal: Curr Opin Virol / Year: 2020
Title: Virion structures and genome delivery of honeybee viruses.
Authors: Michaela Procházková / Karel Škubník / Tibor Füzik / Liya Mukhamedova / Antonín Přidal / Pavel Plevka /
Abstract: The western honeybee is the primary pollinator of numerous food crops. Furthermore, honeybees are essential for ecosystem stability by sustaining the diversity and abundance of wild flowering plants. ...The western honeybee is the primary pollinator of numerous food crops. Furthermore, honeybees are essential for ecosystem stability by sustaining the diversity and abundance of wild flowering plants. However, the worldwide population of honeybees is under pressure from environmental stress and pathogens. Viruses from the families Iflaviridae and Dicistroviridae, together with their vector, the parasitic mite Varroa destructor, are the major threat to the world's honeybees. Dicistroviruses and iflaviruses have capsids with icosahedral symmetries. Acidic pH triggers the genome release of both dicistroviruses and iflaviruses. The capsids of iflaviruses expand, whereas those of dicistroviruses remain compact until the genome release. Furthermore, dicistroviruses use inner capsid proteins, whereas iflaviruses employ protruding domains or minor capsid proteins from the virion surface to penetrate membranes and deliver their genomes into the cell cytoplasm. The structural characterization of the infection process opens up possibilities for the development of antiviral compounds.
History
Header (metadata) releaseAug 31, 2016-
DepositionDec 1, 2017-
Map releaseDec 12, 2018-
UpdateMay 15, 2024-
Current statusMay 15, 2024Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.0717
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by radius
  • Surface level: 0.0717
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6f5j
  • Surface level: 0.0717
  • Imaged by UCSF Chimera
  • Download
  • Simplified surface model + fitted atomic model
  • Atomic modelsPDB-6f5j
  • Imaged by Jmol
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_4189.png

Downloads & links

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Map

FileDownload / File: emd_4189.map.gz / Format: CCP4 / Size: 512 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 512 pix.
= 544.256 Å		1.06 Å/pix.
x 512 pix.
= 544.256 Å		1.06 Å/pix.
x 512 pix.
= 544.256 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.063 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0717 / Movie #1: 0.0717
Minimum - Maximum-0.09455598 - 0.22263144
Average (Standard dev.)0.0028319368 (±0.013823351)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin-256-256-256
Dimensions512512512
Spacing512512512
CellA=B=C: 544.256 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.0631.0631.063
M x/y/z512512512
origin x/y/z0.0000.0000.000
length x/y/z544.256544.256544.256
α/β/γ90.00090.00090.000
start NX/NY/NZ-153-266-98
NX/NY/NZ528514389
MAP C/R/S123
start NC/NR/NS-256-256-256
NC/NR/NS512512512
D min/max/mean-0.0950.2230.003

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Supplemental data

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Sample components

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Entire : Deformed wing virus

EntireName: Deformed wing virus
Components
  • Virus: Deformed wing virus
    • Protein or peptide: Genome polyprotein
    • Protein or peptide: Genome polyprotein
    • Protein or peptide: Genome polyprotein

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Supramolecule #1: Deformed wing virus

SupramoleculeName: Deformed wing virus / type: virus / ID: 1 / Parent: 0 / Macromolecule list: all / Details: Virus was purified from honeybee pupae. / NCBI-ID: 198112 / Sci species name: Deformed wing virus / Virus type: VIRION / Virus isolate: OTHER / Virus enveloped: No / Virus empty: No
Host (natural)Organism: Apis mellifera (honey bee)
Virus shellShell ID: 1 / Diameter: 390.0 Å / T number (triangulation number): 3

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Macromolecule #1: Genome polyprotein

MacromoleculeName: Genome polyprotein / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Deformed wing virus
Molecular weightTheoretical: 28.679273 KDa
SequenceString: GEESRNTTVL DTTTTLQSSG FGRAFFGEAF NDLKTLMRRY QLYGQLLLSV TTDKDIDHCM FTFPCLPQGL ALDIGSAGSP HEIFNRCRD GIIPLIASGY RFYRGDLRYK IVFPSNVNSN IWVQHRPDRR LEGWSAAKIV NCDAVSTGQG VYNHGYASHI Q ITRVNNVI ...String:
GEESRNTTVL DTTTTLQSSG FGRAFFGEAF NDLKTLMRRY QLYGQLLLSV TTDKDIDHCM FTFPCLPQGL ALDIGSAGSP HEIFNRCRD GIIPLIASGY RFYRGDLRYK IVFPSNVNSN IWVQHRPDRR LEGWSAAKIV NCDAVSTGQG VYNHGYASHI Q ITRVNNVI ELEVPFYNAT CYNYLQAFNA SSAASSYAVS LGEISVGFQA TSDDIASIVN KPVTIYYSIG DGMQFSQWVG YQ PMMILDQ LPAPVVRAVP E

UniProtKB: Genome polyprotein

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Macromolecule #2: Genome polyprotein

MacromoleculeName: Genome polyprotein / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Deformed wing virus
Molecular weightTheoretical: 28.3609 KDa
SequenceString: MDNPNPGPDG EGEVELEKDS NVVLTTQRDP STSIPAPVSV KWSRWTSNDV VDDYATITSR WYQIAEFVWS KDDPFDKELA RLILPRALL SSIEANSDAI CDVPNTIPFK VHAYWRGDME VRVQINSNKF QVGQLQATWY YSDHENLNIS SKRSVYGFSQ M DHALISAS ...String:
MDNPNPGPDG EGEVELEKDS NVVLTTQRDP STSIPAPVSV KWSRWTSNDV VDDYATITSR WYQIAEFVWS KDDPFDKELA RLILPRALL SSIEANSDAI CDVPNTIPFK VHAYWRGDME VRVQINSNKF QVGQLQATWY YSDHENLNIS SKRSVYGFSQ M DHALISAS ASNEAKLVIP FKHVYPFLPT RIVPDWTTGI LDMGALNIRV IAPLRMSATG PTTCNVVVFI KLNNSEFTGT SS GKFYASQ IRAKPE

UniProtKB: Genome polyprotein

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Macromolecule #3: Genome polyprotein

MacromoleculeName: Genome polyprotein / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Deformed wing virus
Molecular weightTheoretical: 46.697582 KDa
SequenceString: DNPSYQQSPR HFVPTGMHSL ALGTNLVEPL HALRLDAAGT TQHPVGCAPD EDMTVSSIAS RYGLIRRVQW KKDHAKGSLL LQLDADPFV EQRIEGTNPI SLYWFAPVGV VSSMFMQWRG SLEYRFDIIA SQFHTGRLIV GYVPGLTASL QLQMDYMKLK S SSYVVFDL ...String:
DNPSYQQSPR HFVPTGMHSL ALGTNLVEPL HALRLDAAGT TQHPVGCAPD EDMTVSSIAS RYGLIRRVQW KKDHAKGSLL LQLDADPFV EQRIEGTNPI SLYWFAPVGV VSSMFMQWRG SLEYRFDIIA SQFHTGRLIV GYVPGLTASL QLQMDYMKLK S SSYVVFDL QESNSFTFEV PYVSYRPWWV RKYGGNYLPS STDAPSTLFM YVQVPLIPME AVSDTIDINV YVRGGSSFEV CV PVQPSLG LNWNTDFILR NDEEYRAKTG YAPYYAGVWH SFNNSNSLVF RWGSASDQIA QWPTISVPRG ELAFLRIKDG KQA AVGTQP WRTMVVWPSG HGYNIGIPTY NAERARQLAQ HLYGGGSLTD EKAKQLFVPA NQQGPGKVSN GNPVWEVMRA PLAT QRAHI QDFEFIEAIP E

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

Concentration2.5 mg/mL
BufferpH: 7.4
Details: Dulbeccos Phosphate Buffered Saline D8537 sigma aldrich
GridModel: Quantifoil R2/1 / Material: COPPER / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 15 sec. / Pretreatment - Atmosphere: NITROGEN / Pretreatment - Pressure: 0.007 kPa
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 298 K / Instrument: FEI VITROBOT MARK IV
DetailsVirus was dissolved in PBS buffer.

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: FEI FALCON II (4k x 4k) / Detector mode: COUNTING / Digitization - Dimensions - Width: 4096 pixel / Digitization - Dimensions - Height: 4096 pixel / Digitization - Frames/image: 2-16 / Number grids imaged: 1 / Average exposure time: 1.0 sec. / Average electron dose: 21.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 µm / Calibrated magnification: 74235 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 4.0 µm / Nominal defocus min: 1.0 µm / Nominal magnification: 75000
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: 32573
Startup modelType of model: OTHER
Details: Model obtained from previous single particle reconstruction of DWV and low-pass filtered to resolution 40.
Final reconstructionNumber classes used: 1 / Algorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 2.1) / Software - details: relion_refine_mpi / Number images used: 21000
Initial angle assignmentType: OTHER
Final angle assignmentType: PROJECTION MATCHING / Software - Name: RELION (ver. 2.1) / Software - details: relion_refine_mpi / Details: Relion 3D auto refinement
Final 3D classificationNumber classes: 4 / Avg.num./class: 8000 / Software - Name: RELION (ver. 1.4) / Software - details: relion_refine_mpi
Details: Relion 3D classfication - reclassification after initial 3D refinement
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: OTHER
Output model

PDB-6f5j:
Structure of deformed wing virus carrying the GFP gene

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