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Thibault Viennet


Keywords

  • Nuclear Magnetic Resonance
  • Post-Translational Modifications
  • Intrinsically Disordered Regions
  • Protein Dynamics
  • Protein-Protein Interactions
  • Phosphorylation
  • Transcription Factors
  • Kinases

Protein regulation by NMR group

Tenure Track Assistant Professor Thibault Viennet
PhD in Chemistry

Illuminating regulatory mechanisms in the dark proteome

Proteins are the fundamental molecular machines of life. The ‘dark proteome’ refers to proteins or protein regions that do not have stable 3D structures (disordered regions). These represent about 40% of the human proteome, and they are more often associated with critical cellular functions. For that reason, they are strictly kept in check by post-translational modifications that allow cells to fine tune their function. I am particularly interested in exploring the regulation mechanisms of transcription factors and kinases, two classes of proteins that are tightly regulated to avoid the progression of disease.

My group focuses on elucidating how phosphorylation regulates proteins at the atomic scale. We use solution NMR and other biophysical techniques, as well as chemical biology and cell biology to characterize the effect of phosphorylation on protein disordered regions’ conformations, dynamics, and interactions.

Recent Publications

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Yin, M., Izadi, M., Tenglin, K., Viennet, T., Zhai, L., Zheng, G., Arthanari, H., Dassama, L. M. K. & Orkin, S. H. (2023). Evolution of nanobodies specific for BCL11A. Proceedings of the National Academy of Sciences (PNAS), 120(3), Article e2218959120. https://doi.org/10.1073/pnas.2218959120
Viennet, T., Rodriguez Ospina, S., Lu, Y., Cui, A., Arthanari, H. & Dempsey, D. R. (2023). Chemical and structural approaches to investigate PTEN function and regulation. In A. K. Shukla (Ed.), Integrated Methods in Protein Biochemistry: Part C (Vol. 682, pp. 289-318). ELSEVIER ACADEMIC PRESS INC. https://doi.org/10.1016/bs.mie.2022.09.007
Viennet, T., Dubey, A., Törner, R., Droemer, M., Coote, P., Frueh, D., Takeuchi, K. & Arthanari, H. (2023). Decoding Atomic Addresses: Solution NMR Resonance Assignment of Proteins. In T. Polenova, C. Quinn & A. Gronenborn (Eds.), Integrated Structural Biology (pp. 1-42). The Royal Society of Chemistry. https://doi.org/10.1039/BK9781837670154-00001
Viennet, T., Yin, M., Jayaraj, A., Kim, W., Sun, Z. Y. J., Fujiwara, Y., Zhang, K., Seruggia, D., Seo, H. S., Dhe-Paganon, S., Orkin, S. H. & Arthanari, H. (2024). Structural insights into the DNA-binding mechanism of BCL11A: The integral role of ZnF6. Structure, 32(12), 2276-2286.e4. https://doi.org/10.1016/j.str.2024.09.022