Cited by 31Virus-based gene therapy researchEnzyme Structure and FunctionRNA Interference and Gene Delivery

Atomic structure of a rationally engineered gene delivery vector, AAV2. 5

Open access
Burg, Matthew, Rosebrough, Claire, Drouin, Lauren M., Bennett, Antonette, Mietzsch, Mario, Chipman, Paul, McKenna, Robert, Sousa, Duncan +4 more·2018·Journal of Structural Biology

Abstract

AAV2.5 represents the first structure-guided in-silico designed Adeno-associated virus (AAV) gene delivery vector. This engineered vector combined the receptor attachment properties of AAV serotype 2 (AAV2) with the muscle tropic properties of AAV1, and exhibited an antibody escape phenotype because of a modified antigenic epitope. To confirm the design, the structure of the vector was determined to a resolution of 2.78 Å using cryo-electron microscopy and image reconstruction. The structure of the major viral protein (VP), VP3, was ordered from residue 219 to 736, as reported for other AAV structures, and the five AAV2.5 residues exchanged from AAV2 to AAV1, Q263A, T265 (insertion), N706A, V709A, and T717N, were readily interpretable. Significantly, the surface loops containing these residues adopt the AAV1 conformation indicating the importance of amino acid residues in dictating VP structure.

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Crossref · 10.1016/j.jsb.2018.05.004

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  • Capsid engineering for capsids with resistance to antibodies can be performed through rational design.

    “Capsid engineering for capsids with resistance to antibodies can be performed through rational design (82 -88).”

    From A versatile toolkit for overcoming AAV immunity (2022) · cites this paper as [84]

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  1. Afonine PV, Headd JJ, Terwilliger TC, Adams PD 2013. Computational Crystallography Newsletter, pp. 43– 44, Vol. 4.

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Authors
Burg, M., Rosebrough, C., Drouin, L. M., Bennett, A., Mietzsch, M., Chipman, P., McKenna, R., Sousa, D., Potter, M., Byrne, B., Jude Samulski, R., & Agbandje-McKenna, M.
Affiliations
  • University of Florida (US)
  • Florida State University (US)
Venue
Journal of Structural Biology
Publisher
Elsevier BV
Published
2018-09
Volume
203
Issue
3
Pages
236-241
ISSN
1047-8477 (ISSN-L)
OpenAlex
W2803869264
Cited by
30
References
30
Citations by year
2026: 1 · 2025: 5 · 2024: 1 · 2022: 6 · 2021: 6 · 2020: 4 · 2019: 7
FWCI
2.75
Type
journal article
Language
en
Open access
Locations
  • Journal of Structural Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Florida State University
  • University of Florida
  • National Institutes of Health (1s10od018142-01)
  • National Institute of General Medical Sciences (U24GM116788, R01GM082946)
  • National Institute of Allergy and Infectious Diseases (R01AI072176)
  • National Center for Research Resources (S10RR025080)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
AAV2/5, adeno-associated virus, gene delivery vectors, structure-guided design, AAV serotype 2, antibody escape, cryo-EM structure
MeSH terms
Dependovirus, Epitopes, Capsid, Genetic Vectors, Humans, Protein Binding, Genetic Therapy, Gene Transfer Techniques, Parvovirinae, Cryoelectron Microscopy, Capsid Proteins

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