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Yorodumi- PDB-6z3q: Structure of EV71 in complex with a protective antibody 38-1-10A Fab -
+Open data
-Basic information
Entry | Database: PDB / ID: 6z3q | |||||||||
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Title | Structure of EV71 in complex with a protective antibody 38-1-10A Fab | |||||||||
Components |
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Keywords | VIRUS / EV71 / antibody 38-3-11A / antibody 38-1-10A / EV71-Fab complex | |||||||||
Function / homology | Function and homology information symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MDA-5 activity / picornain 2A / symbiont-mediated suppression of host mRNA export from nucleus / symbiont genome entry into host cell via pore formation in plasma membrane / picornain 3C / T=pseudo3 icosahedral viral capsid / host cell cytoplasmic vesicle membrane / cytoplasmic vesicle membrane / endocytosis involved in viral entry into host cell / symbiont-mediated suppression of host gene expression ...symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MDA-5 activity / picornain 2A / symbiont-mediated suppression of host mRNA export from nucleus / symbiont genome entry into host cell via pore formation in plasma membrane / picornain 3C / T=pseudo3 icosahedral viral capsid / host cell cytoplasmic vesicle membrane / cytoplasmic vesicle membrane / endocytosis involved in viral entry into host cell / symbiont-mediated suppression of host gene expression / nucleoside-triphosphate phosphatase / channel activity / viral capsid / monoatomic ion transmembrane transport / host cell cytoplasm / RNA helicase activity / induction by virus of host autophagy / RNA-directed RNA polymerase / viral RNA genome replication / cysteine-type endopeptidase activity / RNA-dependent RNA polymerase activity / virus-mediated perturbation of host defense response / DNA-templated transcription / host cell nucleus / virion attachment to host cell / structural molecule activity / ATP hydrolysis activity / proteolysis / RNA binding / ATP binding / metal ion binding / cytoplasm Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) Enterovirus A71 | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.7 Å | |||||||||
Authors | Zhou, D. / Fry, E.E. / Ren, J. / Stuart, D.I. | |||||||||
Funding support | United Kingdom, 2items
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Citation | Journal: Nat Commun / Year: 2020 Title: Structural and functional analysis of protective antibodies targeting the threefold plateau of enterovirus 71. Authors: Kuan-Ying A Huang / Daming Zhou / Elizabeth E Fry / Abhay Kotecha / Peng-Nien Huang / Shu-Li Yang / Kuo-Chien Tsao / Yhu-Chering Huang / Tzou-Yien Lin / Jingshan Ren / David I Stuart / Abstract: Enterovirus 71 (EV71)-neutralizing antibodies correlate with protection and have potential as therapeutic agents. We isolate and characterize a panel of plasmablast-derived monoclonal antibodies from ...Enterovirus 71 (EV71)-neutralizing antibodies correlate with protection and have potential as therapeutic agents. We isolate and characterize a panel of plasmablast-derived monoclonal antibodies from an infected child whose antibody response focuses on the plateau epitope near the icosahedral 3-fold axes. Eight of a total of 19 antibodies target this epitope and three of these potently neutralize the virus. Representative neutralizing antibodies 38-1-10A and 38-3-11A both confer effective protection against lethal EV71 challenge in hSCARB2-transgenic mice. The cryo-electron microscopy structures of the EV71 virion in complex with Fab fragments of these potent and protective antibodies reveal the details of a conserved epitope formed by residues in the BC and HI loops of VP2 and the BC and HI loops of VP3 spanning the region around the 3-fold axis. Remarkably, the two antibodies interact with the epitope in quite distinct ways. These plateau-binding antibodies provide templates for promising candidate therapeutics. | |||||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | Molecule: MolmilJmol/JSmol |
-Downloads & links
-Download
PDBx/mmCIF format | 6z3q.cif.gz | 353.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6z3q.ent.gz | 286.7 KB | Display | PDB format |
PDBx/mmJSON format | 6z3q.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 6z3q_validation.pdf.gz | 1.1 MB | Display | wwPDB validaton report |
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Full document | 6z3q_full_validation.pdf.gz | 1.1 MB | Display | |
Data in XML | 6z3q_validation.xml.gz | 33.5 KB | Display | |
Data in CIF | 6z3q_validation.cif.gz | 50.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/z3/6z3q ftp://data.pdbj.org/pub/pdb/validation_reports/z3/6z3q | HTTPS FTP |
-Related structure data
Related structure data | 11062MC 6z3kC 6z3pC C: citing same article (ref.) M: map data used to model this data |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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Symmetry | Point symmetry: (Schoenflies symbol: I (icosahedral)) |
-Components
-Protein , 4 types, 4 molecules ABCD
#1: Protein | Mass: 32781.805 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Enterovirus A71 References: UniProt: A0A2L1GIK5, picornain 2A, nucleoside-triphosphate phosphatase, picornain 3C, RNA-directed RNA polymerase |
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#2: Protein | Mass: 27784.213 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Enterovirus A71 / References: UniProt: D4QGA2 |
#3: Protein | Mass: 26540.332 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Enterovirus A71 / References: UniProt: D4QGA3 |
#4: Protein | Mass: 6380.943 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Enterovirus A71 / References: UniProt: Q6YLE3 |
-Antibody , 2 types, 2 molecules HL
#5: Antibody | Mass: 25216.357 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) |
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#6: Antibody | Mass: 23770.490 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) |
-Non-polymers , 1 types, 1 molecules
#7: Chemical | ChemComp-SPH / |
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-Details
Has ligand of interest | Y |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component |
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Source (natural) |
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Source (recombinant) | Organism: Homo sapiens (human) | ||||||||||||||||||||||||
Details of virus | Empty: NO / Enveloped: NO / Isolate: SEROTYPE / Type: VIRION | ||||||||||||||||||||||||
Natural host | Organism: Homo sapiens | ||||||||||||||||||||||||
Buffer solution | pH: 7.4 | ||||||||||||||||||||||||
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||
Vitrification | Cryogen name: ETHANE |
-Electron microscopy imaging
Experimental equipment | Model: Tecnai Polara / Image courtesy: FEI Company |
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Microscopy | Model: FEI POLARA 300 |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELD |
Image recording | Electron dose: 30 e/Å2 / Film or detector model: GATAN K2 QUANTUM (4k x 4k) |
-Processing
Software | Name: PHENIX / Version: 1.18.1_3865: / Classification: refinement | ||||||||||||||||||||||||
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3D reconstruction | Resolution: 2.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 10074 / Symmetry type: POINT | ||||||||||||||||||||||||
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