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- EMDB-44292: Envelope protein ASU of YFV-ES504 T380R -

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Basic information

Entry
Database: EMDB / ID: EMD-44292
TitleEnvelope protein ASU of YFV-ES504 T380R
Map data
Sample
  • Virus: Yellow fever virus
    • Protein or peptide: Envelope protein
KeywordsFlavivirus / Envelope protein / Yellow fever virus / VIRUS
Function / homology
Function and homology information


symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / ribonucleoside triphosphate phosphatase activity / viral capsid / double-stranded RNA binding / clathrin-dependent endocytosis of virus by host cell / 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 JAK-STAT cascade via inhibition of STAT2 activity / ribonucleoside triphosphate phosphatase activity / viral capsid / double-stranded RNA binding / clathrin-dependent endocytosis of virus by host cell / 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 / GTP 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 non-structural protein NS2B / : / 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 NS2B / : / 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. / Helicase, C-terminal / 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
Biological speciesYellow fever virus
Methodsingle particle reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsBibby S / James J / Modhiran N / Watterson D
Funding support Australia, 2 items
OrganizationGrant numberCountry
National Health and Medical Research Council (NHMRC, Australia)APP1164216 Australia
National Health and Medical Research Council (NHMRC, Australia)APP2004582 Australia
CitationJournal: Nat Commun / Year: 2025
Title: A single residue in the yellow fever virus envelope protein modulates virion architecture and antigenicity.
Authors: Summa Bibby / James Jung / Yu Shang Low / Alberto A Amarilla / Natalee D Newton / Connor A P Scott / Jessica Balk / Yi Tian Ting / Morgan E Freney / Benjamin Liang / Timothy Grant / Fasséli ...Authors: Summa Bibby / James Jung / Yu Shang Low / Alberto A Amarilla / Natalee D Newton / Connor A P Scott / Jessica Balk / Yi Tian Ting / Morgan E Freney / Benjamin Liang / Timothy Grant / Fasséli Coulibaly / Paul Young / Roy A Hall / Jody Hobson-Peters / Naphak Modhiran / Daniel Watterson /
Abstract: Yellow fever virus (YFV) is a re-emerging flavivirus that causes severe hepatic disease and mortality in humans. Despite being researched for over a century, the structure of YFV has remained elusive. ...Yellow fever virus (YFV) is a re-emerging flavivirus that causes severe hepatic disease and mortality in humans. Despite being researched for over a century, the structure of YFV has remained elusive. Here we use a chimeric virus platform to resolve the first high resolution cryo-EM structures of YFV. Stark differences in particle morphology and homogeneity are observed between vaccine and virulent strains of YFV, and these are found to have significant implications on antibody recognition and neutralisation. We identify a single residue (R380) in the YFV envelope protein that stabilises the virion surface, and leads to reduced exposure of the cross-reactive fusion loop epitope. The differences in virion morphology between YFV strains also contribute to the reduced sensitivity of the virulent YFV virions to vaccine-induced antibodies. These findings have significant implications for YFV biology, vaccinology and structure-based flavivirus antigen design.
History
DepositionMar 26, 2024-
Header (metadata) releaseSep 3, 2025-
Map releaseSep 3, 2025-
UpdateOct 15, 2025-
Current statusOct 15, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_44292.png

Downloads & links

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Map

FileDownload / File: emd_44292.map.gz / Format: CCP4 / Size: 325 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.8 Å/pix.
x 440 pix.
= 352. Å		0.8 Å/pix.
x 440 pix.
= 352. Å		0.8 Å/pix.
x 440 pix.
= 352. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.8 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.26
Minimum - Maximum-0.03604067 - 2.0266528
Average (Standard dev.)0.0005876713 (±0.017943643)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions440440440
Spacing440440440
CellA=B=C: 352.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_44292_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_44292_half_map_2.map
Projections & Slices
AxesZYX

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Slices (1/2)
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Histogram

Histogram (log scale)

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Sample components

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Entire : Yellow fever virus

EntireName: Yellow fever virus
Components
  • Virus: Yellow fever virus
    • Protein or peptide: Envelope protein

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Supramolecule #1: Yellow fever virus

SupramoleculeName: Yellow fever virus / type: virus / ID: 1 / Parent: 0 / Macromolecule list: all
Details: YFV envelope protein expressed in the backbone of Binjari virus
NCBI-ID: 11089 / Sci species name: Yellow fever virus / Virus type: VIRION / Virus isolate: OTHER / Virus enveloped: Yes / Virus empty: No

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Macromolecule #1: Envelope protein

MacromoleculeName: Envelope protein / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Yellow fever virus
Molecular weightTheoretical: 42.658293 KDa
Recombinant expressionOrganism: Binjari virus
SequenceString: AHCIGITDRD FIEGVHGGTW VSATLEQDKC VTVMAPDKPS LDISLETVAI DGPAEARKVC YSAVLTNVKI NDKCPSTGEA HLEEENEGD NACKRTYSDR GWGNGCGLFG KGSIVACAKF TCAKSMSLFE VDQTKIQYVI RAQLHVGAKQ ENWNTDIKTL K FDALSGSQ ...String:
AHCIGITDRD FIEGVHGGTW VSATLEQDKC VTVMAPDKPS LDISLETVAI DGPAEARKVC YSAVLTNVKI NDKCPSTGEA HLEEENEGD NACKRTYSDR GWGNGCGLFG KGSIVACAKF TCAKSMSLFE VDQTKIQYVI RAQLHVGAKQ ENWNTDIKTL K FDALSGSQ EAEFTGYGRA TLECQVQTAV DFSNSYIAEM EKESWIVDKQ WAQDLTLPWQ SGSGGVWREM HHLVEFEPPH AA TIKVLAL GNQEGSLKTA LTGAMRVTKD TNNSKLYKLH GGHVACRVKL SALTLKGTSY KMCTDKMSFV KNPTDTGHGT AVM QVKVPK GAPCRIPVMV ADDLTAAVNK GILVTVNPIA STNDDEVLIE VNPPFGDSYI IVGRGDSRLT YQWHK

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: 8
Component:
ConcentrationFormulaName
120.0 nMNaClSodium chloride
10.0 mMNH2C(CH2OH)3Tris-base
1.0 mMC10H16N2O8EDTA
VitrificationCryogen name: ETHANE / Instrument: LEICA EM GP

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Electron microscopy

MicroscopeJEOL CRYO ARM 300
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: 25.0 µm / Nominal defocus min: 5.0 µm

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Image processing

CTF correctionSoftware - Name: CTFFIND (ver. 4) / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: OTHER / Details: ab initio reconstruction
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cisTEM (ver. 2.0.0) / Number images used: 350618
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-9b6y:
Envelope protein ASU of YFV-ES504 T380R

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