Abstract
The 3D structures of many ribonucleic acid (RNA) loops are characterized by highly organized networks of non-canonical interactions. Multiple computational methods have been developed to annotate structures with those interactions or automatically identify recurrent interaction networks. By contrast, the reverse problem that aims to retrieve the geometry of a look from its sequence or ensemble of interactions remains much less explored. In this chapter, we will describe how to retrieve and build families of conserved structural motifs using their underlying network of non-canonical interactions. Then, we will show how to assign sequence alignments to those families and use the software BayesPairing to build statistical models of structural motifs with their associated sequence alignments. From this model, we will apply BayesPairing to identify in new sequences regions where those loop geometries can occur.
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Sarrazin-Gendron, R., Waldispühl, J., Reinharz, V. (2024). Classification and Identification of Non-canonical Base Pairs and Structural Motifs. In: Lorenz, R. (eds) RNA Folding. Methods in Molecular Biology, vol 2726. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3519-3_7
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DOI: https://doi.org/10.1007/978-1-0716-3519-3_7
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