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. 2018 Dec 31;19(Suppl 10):906. doi: 10.1186/s12864-018-5275-8

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© The Author(s) 2018

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Example of feature extraction. a Representation of primary ORF (pORF, gray), first ORF (fORF, blue), and upstream ORF (uORF, red) in a lncRNA. Horizontal line indicates a mature lncRNA, boxes represent putative open reading frames (ORFs) defined on this lncRNA. b Relationship (distance) between m⁶A/G4 and transcript initiation site (TIS), transcript termination site (TTS), and starts or ends of u/f/pORF were used as features. Direct distance (bases in log scale) and relative distance (percentage of the length of lncRNA) were considered to express the relationship