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- PDB-4c10: Cryo-EM reconstruction of empty enterovirus 71 in complex with a ... -
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Basic information
Entry | Database: PDB / ID: 4c10 | ||||||
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Title | Cryo-EM reconstruction of empty enterovirus 71 in complex with a neutralizing antibody E19 | ||||||
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![]() | VIRUS/IMMUNE SYSTEM / VIRUS-IMMUNE SYSTEM COMPLEX / VIRUS / EV71 / PATHOGEN | ||||||
Function / homology | ![]() 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 / nucleoside-triphosphate phosphatase ...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 / nucleoside-triphosphate phosphatase / protein complex oligomerization / monoatomic ion channel activity / 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 Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() ![]() | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 13 Å | ||||||
![]() | Plevka, P. / Perera, R. / Cardosa, J. / Suksatu, A. / Kuhn, R.J. / Rossmann, M.G. | ||||||
![]() | ![]() Title: Neutralizing antibodies can initiate genome release from human enterovirus 71. Authors: Pavel Plevka / Pei-Yin Lim / Rushika Perera / Jane Cardosa / Ampa Suksatu / Richard J Kuhn / Michael G Rossmann / ![]() Abstract: Antibodies were prepared by immunizing mice with empty, immature particles of human enterovirus 71 (EV71), a picornavirus that causes severe neurological disease in young children. The capsid ...Antibodies were prepared by immunizing mice with empty, immature particles of human enterovirus 71 (EV71), a picornavirus that causes severe neurological disease in young children. The capsid structure of these empty particles is different from that of the mature virus and is similar to "A" particles encountered when picornaviruses recognize a potential host cell before genome release. The monoclonal antibody E18, generated by this immunization, induced a conformational change when incubated at temperatures between 4 °C and 37 °C with mature virus, transforming infectious virions into A particles. The resultant loss of genome that was observed by cryo-EM and a fluorescent SYBR Green dye assay inactivated the virus, establishing the mechanism by which the virus is inactivated and demonstrating that the E18 antibody has potential as an anti-EV71 therapy. The antibody-mediated virus neutralization by the induction of genome release has not been previously demonstrated. Furthermore, the present results indicate that antibodies with genome-release activity could also be produced for other picornaviruses by immunization with immature particles. | ||||||
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PDBx/mmCIF format | ![]() | 219 KB | Display | ![]() |
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PDB format | ![]() | 171.6 KB | Display | ![]() |
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-Validation report
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-Related structure data
Related structure data | ![]() 2436MC ![]() 2397C ![]() 2434C ![]() 4c0uC ![]() 4c0yC M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Symmetry | Point symmetry: (Schoenflies symbol: I (icosahedral)) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Noncrystallographic symmetry (NCS) | NCS oper:
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