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- PDB-8cxi: Structures of Zika Virus in Complex with Antibodies Targeting E D... -

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Basic information

Entry
Database: PDB / ID: 8cxi
TitleStructures of Zika Virus in Complex with Antibodies Targeting E Dimer Epitopes and Basis for Neutralization Efficacy
Components
  • A11 heavy chain
  • A11 light chain
  • Ankyrin repeat family A protein 2,Envelope E protein
  • Membrane M protein
KeywordsVIRUS/IMMUNE SYSTEM / ZIKV / scFv antibody / VIRUS-IMMUNE SYSTEM complex
Function / homology
Function and homology information


low-density lipoprotein particle receptor binding / regulation of protein-containing complex assembly / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / ribonucleoside triphosphate phosphatase activity / histone deacetylase binding / viral capsid / double-stranded RNA binding / regulation of gene expression / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity ...low-density lipoprotein particle receptor binding / regulation of protein-containing complex assembly / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / ribonucleoside triphosphate phosphatase activity / histone deacetylase binding / viral capsid / double-stranded RNA binding / regulation of gene expression / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / RNA helicase activity / host cell endoplasmic reticulum membrane / cytoskeleton / protein dimerization activity / symbiont entry into host cell / viral RNA genome replication / RNA-dependent RNA polymerase activity / serine-type endopeptidase activity / fusion of virus membrane with host endosome membrane / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / ubiquitin protein ligase binding / host cell nucleus / virion attachment to host cell / protein kinase binding / virion membrane / structural molecule activity / protein-containing complex / proteolysis / extracellular region / ATP binding / membrane / metal ion binding / nucleus / cytosol
Similarity search - Function
: / Flavivirus envelope glycoprotein E, stem/anchor domain / RNA-directed RNA polymerase, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / Flavivirus capsid protein C superfamily / : / Flavivirus non-structural protein NS2B / Flavivirus NS3 helicase, C-terminal helical domain / Genome polyprotein, Flavivirus / Flavivirus non-structural protein NS4A ...: / Flavivirus envelope glycoprotein E, stem/anchor domain / RNA-directed RNA polymerase, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / Flavivirus capsid protein C superfamily / : / Flavivirus non-structural protein NS2B / 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. / Envelope glycoprotein M, flavivirus / Flavivirus envelope glycoprotein M / 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 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 / Ankyrin repeat / DEAD box, Flavivirus / Flavivirus DEAD domain / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / 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
Genome polyprotein / Genome polyprotein / Ankyrin repeat family A protein 2
Similarity search - Component
Biological speciesZika virus
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsLiu, W. / Zhang, X.K. / Gong, D.Y. / Dai, X.H. / Sharma, A. / Zhang, T.H. / Rey, F. / Zhou, Z.H.
Funding support United States, 3items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Dental and Craniofacial Research (NIH/NIDCR)DE028583, DE025567 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)1S10RR23057, 1S10OD018111, and 1U24GM116792 United States
National Science Foundation (NSF, United States)DBI-1338135 and DMR-1548924 United States
CitationJournal: To Be Published
Title: Structures of Zika Virus in Complex with Antibodies Targeting E Dimer Epitopes and Basis for Neutralization Efficacy
Authors: Liu, W. / Zhang, X.K. / Gong, D.Y. / Dai, X.H. / Sharma, A. / Zhang, T.H. / Rey, F. / Zhou, Z.H.
History
DepositionMay 21, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 7, 2023Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Ankyrin repeat family A protein 2,Envelope E protein
D: Membrane M protein
H: A11 heavy chain
L: A11 light chain
B: Ankyrin repeat family A protein 2,Envelope E protein
E: Membrane M protein
h: A11 heavy chain
l: A11 light chain
C: Ankyrin repeat family A protein 2,Envelope E protein
F: Membrane M protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)1,401,23312
Polymers1,399,76710
Non-polymers1,4652
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: microscopy, c1
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Ankyrin repeat family A protein 2,Envelope E protein / RFXANK-like protein 2


Mass: 69326.820 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Zika virus / Gene: ANKRA2, ANKRA / Production host: Homo sapiens (human) / References: UniProt: Q9H9E1, UniProt: A0A142DS37
#2: Protein Membrane M protein


Mass: 379600.719 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Details: Model includes only small envelope protein M UNP residues 216-290
Source: (gene. exp.) Zika virus / Production host: Homo sapiens (human) / References: UniProt: A0A1S6LXE0
#3: Antibody A11 heavy chain


Mass: 14858.386 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#4: Antibody A11 light chain


Mass: 11633.908 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#5: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 732.682 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4[LFucpa1-6]DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,4,3/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1221m-1a_1-5]/1-1-2-3/a4-b1_a6-d1_b4-c1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}[(6+1)][a-L-Fucp]{}}LINUCSPDB-CARE
Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Zika virus / Type: VIRUS / Entity ID: #1-#4 / Source: MULTIPLE SOURCES
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
21Zika virus64320
31Homo sapiens (human)9606
Source (recombinant)Organism: Homo sapiens (human)
Details of virusEmpty: NO / Enveloped: YES / Isolate: SPECIES / Type: VIRION
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 4000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 26 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 1124970 / Symmetry type: POINT

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