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This article is distributed exclusively by Cold Spring Harbor Laboratory Press for the first six months after the full-issue publication date (see http://genome.cshlp.org/site/misc/terms.xhtml). After six months, it is available under a Creative Commons License (Attribution-NonCommercial 3.0 Unported License), as described at http://creativecommons.org/licenses/by-nc/3.0/.
Screen shot of Savant displaying a segment of the NPC2 gene in the MCF7 data set. (Red isoform) Exon skipping; (blue) intron retention; (green and yellow) contain the two alternative donor sites. The purple isoform with low expression is the pre-mRNA.