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Elsevier, Journal of Molecular Biology, 1(379), p. 160-173

DOI: 10.1016/j.jmb.2008.02.064

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Folding kinetics of large RNAs

Journal article published in 2008 by Michael Geis, Christoph Flamm, Michael T. Wolfinger, Andrea Tanzer ORCID, Ivo L. Hofacker, Martin Middendorf, Christian Mandl, Peter F. Stadler ORCID, Caroline Thurner
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We introduce here a heuristic approach to kinetic RNA folding that constructs secondary structures by stepwise combination of building blocks. These blocks correspond to subsequences and their thermodynamically optimal structures. These are determined by the standard dynamic programming approach to RNA folding. Folding trajectories are modeled at base-pair resolution using the Morgan-Higgs heuristic and a barrier tree-based heuristic to connect combinations of the local building blocks. Implemented in the program Kinwalker, the algorithm allows co-transcriptional folding and can be used to fold sequences of up to about 1500 nucleotides in length. A detailed comparison with several well-studied examples from the literature, including the delayed folding of bacteriophage cloverleaf structures, the adenine sensing riboswitch, and the hok RNA, shows an excellent agreement of predicted trajectories and experimental evidence. The software is available as part of the ViennaRNA Package.