The protein structurome of Orthornavirae and its dark matter
Advanced methods for protein structure prediction, such as AlphaFold2, greatly expand our capability to identify protein domains and infer their likely functions and evolutionary relationships. This is particularly pertinent for proteins encoded by viruses that are known to evolve rapidly and as a result often cannot be adequately characterized by analysis of the protein sequences. We performed an exhaustive structure prediction and comparative analysis for uncharacterized proteins and domains ("dark matter") encoded by viruses with RNA genomes. The results show the dark matter of RNA virus proteome consists mostly of disordered and all-α-helical domains that cannot be readily assigned a specific function and that likely mediate various interactions between viral proteins and between viral and host proteins. The great majority of globular proteins and domains of RNA viruses are already known although we identified several unexpected domains represented in individual viral families.
Authors
- Yuri I. Wolf (ORCID: https://orcid.org/0000-0002-0247-8708)
- Anamarija Butković (ORCID: https://orcid.org/0000-0002-1435-0912)
- Mart Krupovìč (ORCID: https://orcid.org/0000-0001-5486-0098)
- Eugene V. Koonin (ORCID: https://orcid.org/0000-0003-3943-8299)
- Uri Neri (ORCID: https://orcid.org/0000-0003-0894-2484)
- Antônio Pedro Camargo (ORCID: https://orcid.org/0000-0003-3913-2484)
- Valerian V. Dolja (ORCID: https://orcid.org/0000-0002-8148-4670)
- Pascal Mutz (ORCID: https://orcid.org/0000-0002-0430-2095)
- Harutyun Sahakyan (ORCID: https://orcid.org/0000-0003-3750-8118)
Institutions
- Centre National de la Recherche Scientifique (FR)
- National Institutes of Health (US)
- Oregon State University (US)
- Lawrence Berkeley National Laboratory (US)
- Institut Pasteur (FR)
- Joint Genome Institute (US)
- Université Paris Cité (FR)
- United States National Library of Medicine (US)
Publication Details
- Journal
- mBio
- Published
- 2024-12-23
- DOI
- https://doi.org/10.1128/mbio.03200-24
- Citations
- 8
- Primary Topic
- Plant Virus Research Studies
- Type
- article
- Field-Weighted Citation Impact
- 4.80
Funders
- U.S. Department of Energy
- Oak Ridge Associated Universities
- Joint Genome Institute
- National Institutes of Health
- Office of Science
- Oak Ridge Institute for Science and Education
- U.S. National Library of Medicine