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Yorodumi- PDB-9hls: Structure of A16/G9 (vaccinia virus) in complex with VHH D07, VHH... -
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Basic information
| Entry | Database: PDB / ID: 9hls | ||||||
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| Title | Structure of A16/G9 (vaccinia virus) in complex with VHH D07, VHH B01 and VHH C05 | ||||||
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Keywords | VIRAL PROTEIN / poxvirus / viral fusion / vaccinia virus / mpox virus | ||||||
| Function / homology | Function and homology informationmembrane fusion involved in viral entry into host cell / DNA-templated transcription termination / helicase activity / hydrolase activity / fusion of virus membrane with host plasma membrane / viral envelope / symbiont entry into host cell / virion membrane / DNA binding / ATP binding / membrane Similarity search - Function | ||||||
| Biological species | Vaccinia virus Western Reserve![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.2 Å | ||||||
Authors | Vernuccio, R. / Meola, A. / Guardado-Calvo, P. | ||||||
| Funding support | France, 1items
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Citation | Journal: Cell / Year: 2025Title: Structural basis of poxvirus fusion regulation and anti-A16/G9 antibody-mediated neutralization and protection. Authors: Annalisa Meola / Riccardo Vernuccio / Leandro Battini / Guillermo Albericio / Pilar Delgado / Rebecca Bamford / Laura Pokorny / Manon Broutin / Alejandro Martínez León / Sébastien Gallien ...Authors: Annalisa Meola / Riccardo Vernuccio / Leandro Battini / Guillermo Albericio / Pilar Delgado / Rebecca Bamford / Laura Pokorny / Manon Broutin / Alejandro Martínez León / Sébastien Gallien / María Gil / María A Noriega / Florence Guivel-Benhassine / Françoise Porrot / Jeanne Postal / Julian Buchrieser / Mathieu Hubert / Ahmed Haouz / Pierre Lafaye / Mariano Esteban / Jochen S Hub / Matthieu Mahévas / Pascal Chappert / Jason Mercer / Juan Garcia-Arriaza / Olivier Schwartz / Pablo Guardado-Calvo / ![]() Abstract: Monkeypox virus (MPXV) is a poxvirus endemic to Central and West Africa with high epidemic potential. Poxviruses enter host cells via a conserved entry-fusion complex (EFC), which mediates viral ...Monkeypox virus (MPXV) is a poxvirus endemic to Central and West Africa with high epidemic potential. Poxviruses enter host cells via a conserved entry-fusion complex (EFC), which mediates viral fusion to the cell membrane. The EFC is a promising therapeutic target, but the absence of structural data has limited the development of fusion-inhibiting treatments. Here, we investigated A16/G9, a subcomplex of the EFC that controls fusion timing. Using cryo-electron microscopy, we showed how A16/G9 interacts with A56/K2, a viral fusion suppressor that prevents superinfection. Immunization with A16/G9 elicited a protective immune response in mice. Using X-ray crystallography, we characterized two neutralizing antibodies and engineered a chimeric antibody that cross-neutralizes several poxviruses more efficiently than 7D11, the most potent antibody targeting the EFC described to date. These findings highlight the potential of A16/G9 as a candidate for subunit vaccines and identify regions of the EFC as targets for antiviral development. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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| PDBx/mmCIF format | 9hls.cif.gz | 891.4 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb9hls.ent.gz | 612 KB | Display | PDB format |
| PDBx/mmJSON format | 9hls.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 9hls_validation.pdf.gz | 2.8 MB | Display | wwPDB validaton report |
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| Full document | 9hls_full_validation.pdf.gz | 2.9 MB | Display | |
| Data in XML | 9hls_validation.xml.gz | 68.9 KB | Display | |
| Data in CIF | 9hls_validation.cif.gz | 87.8 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/hl/9hls ftp://data.pdbj.org/pub/pdb/validation_reports/hl/9hls | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9hbkC ![]() 9hl2C ![]() 9hngC ![]() 9hpaC ![]() 9r09C ![]() 9r0bC ![]() 9r0jC ![]() 9rdhC C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Assembly
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments:
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Vaccinia virus Western Reserve
X-RAY DIFFRACTION
France, 1items
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