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- PDB-5xs7: Structure of Coxsackievirus A6 (CVA6) virus A-particle in complex... -
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Basic information
Entry | Database: PDB / ID: 5xs7 | |||||||||||||||||||||
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Title | Structure of Coxsackievirus A6 (CVA6) virus A-particle in complex with the neutralizing antibody fragment 1D5 | |||||||||||||||||||||
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![]() | VIRUS / Coxsackievirus A6 / Immune-complex / Icosahedral | |||||||||||||||||||||
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 / nucleoside-triphosphate phosphatase / channel activity / monoatomic ion transmembrane transport ...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 / nucleoside-triphosphate phosphatase / channel activity / monoatomic ion transmembrane transport / DNA replication / RNA helicase activity / endocytosis involved in viral entry into host cell / symbiont-mediated activation of host autophagy / RNA-directed RNA polymerase / cysteine-type endopeptidase activity / viral RNA genome replication / symbiont-mediated suppression of host gene expression / RNA-directed RNA polymerase activity / DNA-templated transcription / : / host cell nucleus / virion attachment to host cell / structural molecule activity / ATP hydrolysis activity / proteolysis / RNA binding / ATP binding / membrane / metal ion binding Similarity search - Function | |||||||||||||||||||||
Biological species | ![]() ![]() ![]() | |||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.8 Å | |||||||||||||||||||||
![]() | Zheng, Q.B. / He, M.Z. / Xu, L.F. / Yu, H. / Li, S.W. / Cheng, T. | |||||||||||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: Atomic structures of Coxsackievirus A6 and its complex with a neutralizing antibody. Authors: Longfa Xu / Qingbing Zheng / Shaowei Li / Maozhou He / Yangtao Wu / Yongchao Li / Rui Zhu / Hai Yu / Qiyang Hong / Jie Jiang / Zizhen Li / Shuxuan Li / Huan Zhao / Lisheng Yang / Wangheng ...Authors: Longfa Xu / Qingbing Zheng / Shaowei Li / Maozhou He / Yangtao Wu / Yongchao Li / Rui Zhu / Hai Yu / Qiyang Hong / Jie Jiang / Zizhen Li / Shuxuan Li / Huan Zhao / Lisheng Yang / Wangheng Hou / Wei Wang / Xiangzhong Ye / Jun Zhang / Timothy S Baker / Tong Cheng / Z Hong Zhou / Xiaodong Yan / Ningshao Xia / ![]() ![]() Abstract: Coxsackievirus A6 (CVA6) has recently emerged as a major cause of hand, foot and mouth disease in children worldwide but no vaccine is available against CVA6 infections. Here, we demonstrate the ...Coxsackievirus A6 (CVA6) has recently emerged as a major cause of hand, foot and mouth disease in children worldwide but no vaccine is available against CVA6 infections. Here, we demonstrate the isolation of two forms of stable CVA6 particles-procapsid and A-particle-with excellent biochemical stability and natural antigenicity to serve as vaccine candidates. Despite the presence (in A-particle) or absence (in procapsid) of capsid-RNA interactions, the two CVA6 particles have essentially identical atomic capsid structures resembling the uncoating intermediates of other enteroviruses. Our near-atomic resolution structure of CVA6 A-particle complexed with a neutralizing antibody maps an immune-dominant neutralizing epitope to the surface loops of VP1. The structure-guided cell-based inhibition studies further demonstrate that these loops could serve as excellent targets for designing anti-CVA6 vaccines.Coxsackievirus A6 (CVA6) causes hand, foot and mouth disease in children. Here the authors present the CVA6 procapsid and A-particle cryo-EM structures and identify an immune-dominant neutralizing epitope, which can be exploited for vaccine development. | |||||||||||||||||||||
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Structure visualization
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PDBx/mmCIF format | ![]() | 186.8 KB | Display | ![]() |
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PDB format | ![]() | 143.6 KB | Display | ![]() |
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-Validation report
Summary document | ![]() | 1 MB | Display | ![]() |
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Full document | ![]() | 1 MB | Display | |
Data in XML | ![]() | 39.9 KB | Display | |
Data in CIF | ![]() | 61 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6757MC ![]() 6751C ![]() 6752C ![]() 5xs4C ![]() 5xs5C M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Assembly
Deposited unit | ![]()
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Symmetry | Point symmetry: (Schoenflies symbol: I (icosahedral)) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Noncrystallographic symmetry (NCS) | NCS oper:
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