Exploring RNA structure by integrative molecular modelling

Benoît Masquida, Bertrand Beckert, Fabrice Jossinet

21 Citations (Scopus)

Abstract

RNA molecular modelling is adequate to rapidly tackle the structure of RNA molecules. With new structured RNAs constituting a central class of cellular regulators discovered every year, the need for swift and reliable modelling methods is more crucial than ever. The pragmatic method based on interactive all-atom molecular modelling relies on the observation that specific structural motifs are recurrently found in RNA sequences. Once identified by a combination of comparative sequence analysis and biochemical data, the motifs composing the secondary structure of a given RNA can be extruded in three dimensions (3D) and used as building blocks assembled manually during a bioinformatic interactive process. Comparing the models to the corresponding crystal structures has validated the method as being powerful to predict the RNA topology and architecture while being less accurate regarding the prediction of base-base interactions. These aspects as well as the necessary steps towards automation will be discussed.

Original languageEnglish
JournalNew Biotechnology
Volume27
Issue number3
Pages (from-to)170-83
Number of pages13
ISSN1871-6784
DOIs
Publication statusPublished - 31 Jul 2010

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