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- EMDB-17808: Tick-borne encephalitis virus Kuutsalo-14 prM3E3 trimer -

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Basic information

Entry
Database: EMDB / ID: EMD-17808
TitleTick-borne encephalitis virus Kuutsalo-14 prM3E3 trimer
Map dataLocally-sharpened map
Sample
  • Virus: Tick-borne encephalitis virus
    • Protein or peptide: Envelope protein E
    • Protein or peptide: Protein prM
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsComplex / Spike / Fusion protein / Glycosylation / Transmembrane protein / Maturation / Virus / Trimer / Hexamer / Dimer
Function / homology
Function and homology information


flavivirin / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT1 activity / double-stranded RNA binding / viral capsid / nucleoside-triphosphate phosphatase / mRNA (guanine-N7)-methyltransferase / methyltransferase cap1 / clathrin-dependent endocytosis of virus by host cell / mRNA (nucleoside-2'-O-)-methyltransferase activity ...flavivirin / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT1 activity / double-stranded RNA binding / viral capsid / nucleoside-triphosphate phosphatase / mRNA (guanine-N7)-methyltransferase / methyltransferase cap1 / clathrin-dependent endocytosis of virus by host cell / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / RNA helicase activity / host cell endoplasmic reticulum membrane / host cell perinuclear region of cytoplasm / protein dimerization activity / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / RNA helicase / induction by virus of host autophagy / RNA-directed RNA polymerase / viral RNA genome replication / serine-type endopeptidase activity / RNA-dependent RNA polymerase activity / virus-mediated perturbation of host defense response / fusion of virus membrane with host endosome membrane / viral envelope / host cell nucleus / virion attachment to host cell / virion membrane / structural molecule activity / ATP hydrolysis activity / proteolysis / extracellular region / ATP binding / membrane / metal ion binding
Similarity search - Function
: / RNA-directed RNA polymerase, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / Flavivirus envelope glycoprotein E, stem/anchor domain / : / Flavivirus NS3 helicase, C-terminal helical domain / Genome polyprotein, Flavivirus / Flavivirus non-structural protein NS4A / Flavivirus non-structural protein NS2B / Flavivirus capsid protein C ...: / RNA-directed RNA polymerase, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / Flavivirus envelope glycoprotein E, stem/anchor domain / : / Flavivirus NS3 helicase, C-terminal helical domain / Genome polyprotein, Flavivirus / Flavivirus non-structural protein NS4A / Flavivirus non-structural protein NS2B / Flavivirus capsid protein C / Flavivirus non-structural protein NS4B / mRNA cap 0/1 methyltransferase / Flavivirus capsid protein C / Flavivirus non-structural protein NS4B / Flavivirus non-structural protein NS4A / Flavivirus NS2B domain profile. / mRNA cap 0 and cap 1 methyltransferase (EC 2.1.1.56 and EC 2.1.1.57) domain profile. / Flavivirus non-structural protein NS2A / Flavivirus non-structural protein NS2A / Flavivirus NS3, petidase S7 / Peptidase S7, Flavivirus NS3 serine protease / Flavivirus NS3 protease (NS3pro) domain profile. / RNA-directed RNA polymerase, flavivirus / Flavivirus RNA-directed RNA polymerase, fingers and palm domains / Flavivirus non-structural Protein NS1 / Flavivirus non-structural protein NS1 / Envelope glycoprotein M, flavivirus / Flavivirus envelope glycoprotein M / Envelope glycoprotein M superfamily, flavivirus / Flavivirus polyprotein propeptide / Flavivirus polyprotein propeptide superfamily / Flavivirus polyprotein propeptide / Flaviviral glycoprotein E, central domain, subdomain 1 / Flaviviral glycoprotein E, central domain, subdomain 2 / Flavivirus envelope glycoprotein E, Stem/Anchor domain / Flavivirus glycoprotein E, immunoglobulin-like domain / Flavivirus envelope glycoprotein E, Stem/Anchor domain superfamily / Flavivirus glycoprotein, immunoglobulin-like domain / Flavivirus glycoprotein central and dimerisation domain / Flavivirus glycoprotein, central and dimerisation domains / Ribosomal RNA methyltransferase, FtsJ domain / FtsJ-like methyltransferase / Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily / Flavivirus glycoprotein, central and dimerisation domain superfamily / Flaviviral glycoprotein E, dimerisation domain / DEAD box, Flavivirus / Flavivirus DEAD domain / helicase superfamily c-terminal domain / Immunoglobulin E-set / Superfamilies 1 and 2 helicase C-terminal domain profile. / Superfamilies 1 and 2 helicase ATP-binding type-1 domain profile. / DEAD-like helicases superfamily / Helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain / RNA-directed RNA polymerase, catalytic domain / RdRp of positive ssRNA viruses catalytic domain profile. / S-adenosyl-L-methionine-dependent methyltransferase superfamily / Peptidase S1, PA clan / DNA/RNA polymerase superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Biological speciesTick-borne encephalitis virus
Methodsingle particle reconstruction / cryo EM / Resolution: 3.9 Å
AuthorsAnastasina M / Domanska A / Pulkkinen LIA / Butcher SJ
Funding support Sweden, Finland, European Union, 7 items
OrganizationGrant numberCountry
Swedish Research Council2018-05851 Sweden
Academy of Finland315950 Finland
Sigrid Juselius Foundation95-7202-38 Finland
Jane and Aatos Erkko Foundation Finland
H2020 Marie Curie Actions of the European Commission799929European Union
University of Helsinki Research Foundation Finland
University of Helsinki Finland
CitationJournal: To Be Published
Title: Tick-borne encephalitis virus Kuutsalo-14 prM3E3 trimer
Authors: Anastasina M / Domanska A / Pulkkinen LIA / Butcher SJ
History
DepositionJul 7, 2023-
Header (metadata) releaseJun 12, 2024-
Map releaseJun 12, 2024-
UpdateJun 12, 2024-
Current statusJun 12, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_17808.png

Downloads & links

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Map

FileDownload / File: emd_17808.map.gz / Format: CCP4 / Size: 52.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationLocally-sharpened map
Voxel sizeX=Y=Z: 1.075 Å
Density
Contour LevelBy AUTHOR: 0.9
Minimum - Maximum-0.15387468 - 11.696097
Average (Standard dev.)0.011035918 (±0.17183352)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions240240240
Spacing240240240
CellA=B=C: 258.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: Globally-sharpened map

Fileemd_17808_additional_1.map
AnnotationGlobally-sharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half map 1

Fileemd_17808_half_map_1.map
AnnotationHalf map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half map 2

Fileemd_17808_half_map_2.map
AnnotationHalf map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Tick-borne encephalitis virus

EntireName: Tick-borne encephalitis virus
Components
  • Virus: Tick-borne encephalitis virus
    • Protein or peptide: Envelope protein E
    • Protein or peptide: Protein prM
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: Tick-borne encephalitis virus

SupramoleculeName: Tick-borne encephalitis virus / type: virus / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Details: Immature virions produced by infected cells treated with ammonium chloride to prevent virus maturation.
NCBI-ID: 11084 / Sci species name: Tick-borne encephalitis virus / Sci species strain: Kuutsalo-14 / Virus type: VIRION / Virus isolate: STRAIN / Virus enveloped: Yes / Virus empty: No
Host (natural)Organism: Ixodes ricinus (castor bean tick)

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Macromolecule #1: Envelope protein E

MacromoleculeName: Envelope protein E / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Tick-borne encephalitis virus
Molecular weightTheoretical: 53.55827 KDa
SequenceString: SRCTHLENRD FVTGTQGTTR VTLVLELGGC VTITAEGKPS MDVWLDAIYQ ENPAKTREYC LHAKLSDTKV AARCPTMGPA TLAEEHQGG TVCKRDQSDR GWGNHCGLFG KGSIVACVKA ACEAKKKATG HVYDANKIVY TVKVEPHTGD YVAANETHSG R KTASFTVS ...String:
SRCTHLENRD FVTGTQGTTR VTLVLELGGC VTITAEGKPS MDVWLDAIYQ ENPAKTREYC LHAKLSDTKV AARCPTMGPA TLAEEHQGG TVCKRDQSDR GWGNHCGLFG KGSIVACVKA ACEAKKKATG HVYDANKIVY TVKVEPHTGD YVAANETHSG R KTASFTVS SEKTILTMGE YGDVSLLCRV ASGVDLAQTV ILELDKTVEH LPTAWQVHRD WFNDLALPWK HEGAQNWNNA ER LVEFGAP HAVKMDVYNL GDQTGVLLKA LAGVPVAHIE GTKYHLKSGH VTCEVGLEKL KMKGLTYTMC DKTKFTWKRA PTD SGHDTV VMEVTFSGTK PCRIPVRAVA HGSPDVNVAM LITPNPTIEN NGGGFIEMQL PPGDNIIYVG ELSHQWFQKG SSIG RVFQK TKKGIERLTV IGEHAWDFGS AGGFLSSIGK AVHTVLGGAF NSIFGGVGFL PKLLLGVALA WLGLNMRNPT MSMSF LLAG GLVLAMTLGV GA

UniProtKB: Genome polyprotein

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Macromolecule #2: Protein prM

MacromoleculeName: Protein prM / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Tick-borne encephalitis virus
Molecular weightTheoretical: 18.07667 KDa
SequenceString:
TVRKERDGST VIRAEGKDAA TQVRVENGTC VILATDMGSW CDDSLSYECV TIDQGEEPVD VDCFCRNVDG VYLEYGRCGK QEGSRTRRS VLIPSHAQGE LTGRGHKWLE GDSLRTHLTR VEGWVWKNKL LALAMVTVVW LTLESVVTRV AVLVVLLCLA P VYA

UniProtKB: Genome polyprotein

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Macromolecule #3: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 3 / Number of copies: 3 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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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: 8.5
VitrificationCryogen name: ETHANE / Instrument: LEICA EM GP

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Number grids imaged: 4 / Number real images: 40138 / Average electron dose: 43.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.7 µm / Nominal defocus min: 0.7000000000000001 µm / Nominal magnification: 81000
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: 4312440
Startup modelType of model: NONE
Details: Icosahedral reconstruction of immature TBEV particle in the same manuscript
Final reconstructionNumber classes used: 1 / Applied symmetry - Point group: C1 (asymmetric) / Algorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.2.1) / Number images used: 1172996
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final 3D classificationNumber classes: 5 / Avg.num./class: 720000 / Software - Name: cryoSPARC (ver. 4.2.1)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelChain - Source name: ITasser / Chain - Initial model type: in silico model
RefinementSpace: REAL / Protocol: FLEXIBLE FIT
Output model

PDB-8ppq:
Tick-borne encephalitis virus Kuutsalo-14 prM3E3 trimer

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