High-throughput droplet-based analysis of influenza A virus genetic reassortment by single-virus RNA sequencing

…, J Karuppusamy, MB O'Neill, V Opuu… - Proceedings of the …, 2023 - National Acad Sciences
The segmented RNA genome of influenza A viruses (IAVs) enables viral evolution through
genetic reassortment after multiple IAVs coinfect the same cell, leading to viruses harboring …

Physics-based computational protein design: an update

D Mignon, K Druart, E Michael, V Opuu… - The Journal of …, 2020 - ACS Publications
We describe methods for physics-based protein design and some recent applications from
our work. We present the physical interpretation of a MC simulation in sequence space and …

[HTML][HTML] Computational design of fully overlapping coding schemes for protein pairs and triplets

V Opuu, M Silvert, T Simonson - Scientific reports, 2017 - nature.com
Gene pairs that overlap in their coding regions are rare except in viruses. They may occur
transiently in gene creation and are of biotechnological interest. We have examined the …

Enzyme redesign and genetic code expansion

V Opuu, T Simonson - Protein Engineering, Design and …, 2023 - academic.oup.com
Enzyme design is an important application of computational protein design (CPD). It can
benefit enormously from the additional chemistries provided by noncanonical amino acids (…

[HTML][HTML] Adaptive landscape flattening allows the design of both enzyme: substrate binding and catalytic power

V Opuu, G Nigro, T Gaillard, E Schmitt… - PLOS Computational …, 2020 - journals.plos.org
Designed enzymes are of fundamental and technological interest. Experimental directed
evolution still has significant limitations, and computational approaches are a complementary …

[HTML][HTML] RAFFT: Efficient prediction of RNA folding pathways using the fast Fourier transform

V Opuu, NSC Merleau, V Messow… - PLoS computational …, 2022 - journals.plos.org
We propose a novel heuristic to predict RNA secondary structure formation pathways that
has two components: (i) a folding algorithm and (ii) a kinetic ansatz. This heuristic is inspired …

Redesigning methionyl‐tRNA synthetase for β‐methionine activity with adaptive landscape flattening and experiments

V Opuu, G Nigro, C Lazennec‐Schurdevin… - Protein …, 2023 - Wiley Online Library
Amino acids (AAs) with a noncanonical backbone would be a valuable tool for protein
engineering, enabling new structural motifs and building blocks. To incorporate them into an …

[HTML][HTML] A physics-based energy function allows the computational redesign of a PDZ domain

V Opuu, YJ Sun, T Hou, N Panel, EJ Fuentes… - Scientific reports, 2020 - nature.com
Computational protein design (CPD) can address the inverse folding problem, exploring a
large space of sequences and selecting ones predicted to fold. CPD was used previously to …

[HTML][HTML] Meet-U: educating through research immersion

…, R Montagne, V Myrodia, V Opuu… - PLoS computational …, 2018 - journals.plos.org
We present a new educational initiative called Meet-U that aims to train students for collaborative
work in computational biology and to bridge the gap between education and research. …

Computational design of PDZ-peptide binding

N Panel, F Villa, V Opuu, D Mignon… - PDZ Mediated Interactions …, 2021 - Springer
This chapter describes two computational methods for PDZ–peptide binding: high-throughput
computational protein design (CPD) and a medium-throughput approach combining …