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. 2021 Jun 9;12:3494. doi: 10.1038/s41467-021-23555-5

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 6 — Sequences RNA2 and RNA3 contain insertions (shown in orange and red) with respect to sequence RNA1. a The 2D layouts generated by VARNA (v 3.9); b The layouts for RNA2 and RNA3 generated by Traveler when using RNA1 as a template; c Same as b using Traveler overlap detection and correction. All sequences have been artificially generated to highlight issues with overlapping secondary structure elements.