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- EMDB-30465: Cryo-EM structure of dengue virus serotype 2 in complex with the ... -

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Entry
Database: EMDB / ID: EMD-30465
TitleCryo-EM structure of dengue virus serotype 2 in complex with the scFv fragment of the broadly neutralizing antibody EDE1 C10
Map dataDengue 2 NGC With ScFv C10
Sample
  • Virus: Dengue virus
    • Protein or peptide: Core protein
    • Protein or peptide: Single Chain Variable Fragment
    • Protein or peptide: Single Chain Variable Fragment
  • Protein or peptide: Core protein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsDengue virus / antibody / broadly neutralizing / flavivirus / VIRUS
Function / homology
Function and homology information


symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity / host cell mitochondrion / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity / ribonucleoside triphosphate phosphatase activity / viral capsid / double-stranded RNA binding / channel activity / monoatomic ion transmembrane transport / clathrin-dependent endocytosis of virus by host cell ...symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity / host cell mitochondrion / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity / ribonucleoside triphosphate phosphatase activity / viral capsid / double-stranded RNA binding / channel activity / monoatomic ion transmembrane transport / clathrin-dependent endocytosis of virus by host cell / molecular adaptor activity / methyltransferase cap1 activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / RNA helicase activity / protein dimerization activity / host cell perinuclear region of cytoplasm / symbiont-mediated suppression of host innate immune response / host cell endoplasmic reticulum membrane / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / symbiont-mediated activation of host autophagy / serine-type endopeptidase activity / viral RNA genome replication / RNA-directed RNA polymerase activity / fusion of virus membrane with host endosome membrane / viral envelope / lipid binding / virion attachment to host cell / host cell nucleus / virion membrane / structural molecule activity / proteolysis / extracellular region / ATP binding / metal ion binding / membrane
Similarity search - Function
Flavivirus capsid protein C superfamily / Flavivirus non-structural protein NS2B / Genome polyprotein, Flavivirus / : / Flavivirus non-structural protein NS4A / Flavivirus non-structural protein NS2B / Flavivirus non-structural protein NS4B / mRNA cap 0/1 methyltransferase / Flavivirus non-structural protein NS4B / Flavivirus non-structural protein NS4A ...Flavivirus capsid protein C superfamily / Flavivirus non-structural protein NS2B / Genome polyprotein, Flavivirus / : / Flavivirus non-structural protein NS4A / Flavivirus non-structural protein NS2B / Flavivirus non-structural protein NS4B / mRNA cap 0/1 methyltransferase / 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, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / RNA-directed RNA polymerase, flavivirus / Flavivirus RNA-directed RNA polymerase, fingers and palm domains / Flavivirus capsid protein C / Flavivirus capsid protein C / Flavivirus non-structural Protein NS1 / Flavivirus non-structural protein NS1 / Envelope glycoprotein M, flavivirus / Envelope glycoprotein M superfamily, flavivirus / Flavivirus envelope glycoprotein M / Flavivirus polyprotein propeptide / Flavivirus polyprotein propeptide superfamily / Flavivirus polyprotein propeptide / Flavivirus envelope glycoprotein E, stem/anchor domain / : / Flavivirus NS3 helicase, C-terminal helical domain / Flavivirus envelope glycoprotein E, Stem/Anchor domain / Flavivirus envelope glycoprotein E, Stem/Anchor domain superfamily / Flavivirus glycoprotein E, immunoglobulin-like domain / Flavivirus glycoprotein, immunoglobulin-like domain / Flavivirus glycoprotein central and dimerisation domain / Flavivirus glycoprotein, central and dimerisation domains / Flaviviral glycoprotein E, central domain, subdomain 1 / Flaviviral glycoprotein E, central domain, subdomain 2 / 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, 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
Similarity search - Component
Biological speciesDengue virus 2 / Homo sapiens (human) / Dengue virus
Methodsingle particle reconstruction / cryo EM / Resolution: 3.5 Å
AuthorsZhang X / Sharma A
Funding support France, China, 3 items
OrganizationGrant numberCountry
Wellcome Trust France
National Natural Science Foundation of China (NSFC)31600606 China
National Basic Research Program of China (973 Program)2016YFA0501100 China
Citation
Journal: Cell / Year: 2021
Title: The epitope arrangement on flavivirus particles contributes to Mab C10's extraordinary neutralization breadth across Zika and dengue viruses.
Authors: Arvind Sharma / Xiaokang Zhang / Wanwisa Dejnirattisai / Xinghong Dai / Danyang Gong / Wiyada Wongwiwat / Stéphane Duquerroy / Alexander Rouvinski / Marie-Christine Vaney / Pablo Guardado- ...Authors: Arvind Sharma / Xiaokang Zhang / Wanwisa Dejnirattisai / Xinghong Dai / Danyang Gong / Wiyada Wongwiwat / Stéphane Duquerroy / Alexander Rouvinski / Marie-Christine Vaney / Pablo Guardado-Calvo / Ahmed Haouz / Patrick England / Ren Sun / Z Hong Zhou / Juthathip Mongkolsapaya / Gavin R Screaton / Felix A Rey /
Abstract: The human monoclonal antibody C10 exhibits extraordinary cross-reactivity, potently neutralizing Zika virus (ZIKV) and the four serotypes of dengue virus (DENV1-DENV4). Here we describe a comparative ...The human monoclonal antibody C10 exhibits extraordinary cross-reactivity, potently neutralizing Zika virus (ZIKV) and the four serotypes of dengue virus (DENV1-DENV4). Here we describe a comparative structure-function analysis of C10 bound to the envelope (E) protein dimers of the five viruses it neutralizes. We demonstrate that the C10 Fab has high affinity for ZIKV and DENV1 but not for DENV2, DENV3, and DENV4. We further show that the C10 interaction with the latter viruses requires an E protein conformational landscape that limits binding to only one of the three independent epitopes per virion. This limited affinity is nevertheless counterbalanced by the particle's icosahedral organization, which allows two different dimers to be reached by both Fab arms of a C10 immunoglobulin. The epitopes' geometric distribution thus confers C10 its exceptional neutralization breadth. Our results highlight the importance not only of paratope/epitope complementarity but also the topological distribution for epitope-focused vaccine design.
#1: Journal: Nature / Year: 2016
Title: Structural basis of potent Zika-dengue virus antibody cross-neutralization.
Authors: Barba-Spaeth G / Dejnirattisai W / Rouvinski A / Vaney MC / Medits I / Sharma A / Simon-Loriere E / Sakuntabhai A / Cao-Lormeau VM / Haouz A / England P / Stiasny K / Mongkolsapaya J / Heinz ...Authors: Barba-Spaeth G / Dejnirattisai W / Rouvinski A / Vaney MC / Medits I / Sharma A / Simon-Loriere E / Sakuntabhai A / Cao-Lormeau VM / Haouz A / England P / Stiasny K / Mongkolsapaya J / Heinz FX / Screaton GR / Rey FA
History
DepositionAug 19, 2020-
Header (metadata) releaseDec 1, 2021-
Map releaseDec 1, 2021-
UpdateOct 30, 2024-
Current statusOct 30, 2024Processing site: PDBj / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.2
  • Imaged by UCSF Chimera
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  • Surface view colored by radius
  • Surface level: 0.2
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7cth
  • Surface level: 0.08
  • Imaged by UCSF Chimera
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  • Simplified surface model + fitted atomic model
  • Atomic modelsPDB-7cth
  • Imaged by Jmol
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_30465.png

Downloads & links

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Map

FileDownload / File: emd_30465.map.gz / Format: CCP4 / Size: 1000 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationDengue 2 NGC With ScFv C10
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.28 Å/pix.
x 640 pix.
= 819.2 Å		1.28 Å/pix.
x 640 pix.
= 819.2 Å		1.28 Å/pix.
x 640 pix.
= 819.2 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.28 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.08 / Movie #1: 0.2
Minimum - Maximum-0.43682772 - 0.6799334
Average (Standard dev.)-0.009935489 (±0.04604866)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions640640640
Spacing640640640
CellA=B=C: 819.19995 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.281.281.28
M x/y/z640640640
origin x/y/z0.0000.0000.000
length x/y/z819.200819.200819.200
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS640640640
D min/max/mean-0.4370.680-0.010

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Supplemental data

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Additional map: unsharpen map

Fileemd_30465_additional_1.map
Annotationunsharpen map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half Map A

Fileemd_30465_half_map_1.map
AnnotationHalf Map A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half Map B

Fileemd_30465_half_map_2.map
AnnotationHalf Map B
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Dengue virus

EntireName: Dengue virus
Components
  • Virus: Dengue virus
    • Protein or peptide: Core protein
    • Protein or peptide: Single Chain Variable Fragment
    • Protein or peptide: Single Chain Variable Fragment
  • Protein or peptide: Core protein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: Dengue virus

SupramoleculeName: Dengue virus / type: virus / ID: 1 / Parent: 0 / Macromolecule list: #2-#4 / NCBI-ID: 12637 / Sci species name: Dengue virus / Virus type: VIRION / Virus isolate: SEROTYPE / Virus enveloped: Yes / Virus empty: No
Host (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Core protein

MacromoleculeName: Core protein / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Dengue virus 2
Molecular weightTheoretical: 54.351746 KDa
Recombinant expressionOrganism: Aedes albopictus (Asian tiger mosquito)
SequenceString: MRCIGISNRD FVEGVSGGSW VDIVLEHGSC VTTMAKNKPT LDFELIKTEA KQPATLRKYC IEAKLTNTTT DSRCPTQGEP SLNEEQDKR FVCKHSMVDR GWGNGCGLFG KGGIVTCAMF TCKKNMKGKV VQPENLEYTI VITPHSGEEH AVGNDTGKHG K EIKITPQS ...String:
MRCIGISNRD FVEGVSGGSW VDIVLEHGSC VTTMAKNKPT LDFELIKTEA KQPATLRKYC IEAKLTNTTT DSRCPTQGEP SLNEEQDKR FVCKHSMVDR GWGNGCGLFG KGGIVTCAMF TCKKNMKGKV VQPENLEYTI VITPHSGEEH AVGNDTGKHG K EIKITPQS SITEAELTGY GTVTMECSPR TGLDFNEMVL LQMENKAWLV HRQWFLDLPL PWLPGADTQG SNWIQKETLV TF KNPHAKK QDVVVLGSQE GAMHTALTGA TEIQMSSGNL LFTGHLKCRL RMDKLQLKGM SYSMCTGKFK VVKEIAETQH GTI VIRVQY EGDGSPCKIP FEIMDLEKRH VLGRLITVNP IVTEKDSPVN IEAEPPFGDS YIIIGVEPGQ LKLNWFKKGS SIGQ MIETT MRGAKRMAIL GDTAWDFGSL GGVFTSIGKA LHQVFGAIYG AAFSGVSWTM KILIGVIITW IGMNSRSTSL SVSLV LVGV VTLYLGVMVQ A

UniProtKB: Genome polyprotein

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Macromolecule #2: Core protein

MacromoleculeName: Core protein / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO / EC number: flavivirin
Source (natural)Organism: Dengue virus 2
Molecular weightTheoretical: 8.345762 KDa
Recombinant expressionOrganism: Aedes albopictus (Asian tiger mosquito)
SequenceString:
SVALVPHVGM GLETRTETWM SSEGAWKHAQ RIETWILRHP GFTIMAAILA YTIGTTHFQR ALIFILLTAV APSMT

UniProtKB: Genome polyprotein

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Macromolecule #3: Single Chain Variable Fragment

MacromoleculeName: Single Chain Variable Fragment / type: protein_or_peptide / ID: 3
Details: heavy chain variable region of the broadly neutralizing antibody EDE1 C10
Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 15.679234 KDa
Recombinant expressionOrganism: Drosophila melanogaster (fruit fly)
SequenceString:
MAEVQLVESG AEVKKPGASV KVSCKASGYT FTSYAMHWVR QAPGQRLEWM GWINAGNGNT KYSQKFQDRV TITRDTSAST AYMELSSLR SEDTAIYYCA RDKVDDYGDY WFPTLWYFDY WGQGTLVTVS SGTGGSGGGG SGGGG

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Macromolecule #4: Single Chain Variable Fragment

MacromoleculeName: Single Chain Variable Fragment / type: protein_or_peptide / ID: 4
Details: light chain variable region of the broadly neutralizing antibody EDE1 C10
Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 15.632767 KDa
Recombinant expressionOrganism: Drosophila melanogaster (fruit fly)
SequenceString:
SGGGASQSAL TQPASVSGSP GQSITISCTG TSSDVGGFNY VSWFQQHPGK APKLMLYDVT SRPSGVSSRF SGSKSGNTAS LTISGLQAE DEADYYCSSH TSRGTWVFGG GTKLTVLAAA DDDDKAGWSH PQFEKGGGSG GGSGGGSWSH PQFEK

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Macromolecule #5: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 5 / Number of copies: 4 / 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: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm
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

Startup modelType of model: OTHER / Details: Ab Inito by CisTEM
Final reconstructionNumber classes used: 1 / Applied symmetry - Point group: I (icosahedral) / Algorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cisTEM / Number images used: 4977
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software: (Name: RELION, EMAN2, cisTEM)
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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