Keywords: Alternative polyadenylation.svg Illustration of how alternative polyadenylation can result in many variants of the 3'-most part of an mRNA Compared to the first mRNA the second one shows tandem polyadenylation sites the third a hidden exon the fourth composite exons and the fifth a truncated exon Based on an illustration in cite journal Yan J Marr TG Computational analysis of 3'-ends of ESTs shows four classes of alternative polyadenylation in human mouse and rat Genome Res 15 3 369 “75 2005 March 15741508 551563 10 1101/gr 3109605 2008-07-04 Narayanese talk SVG Beao w File Alternative polyadenylation GIF w File Alternative polyadenylation JPG MRNA Polyadenylation |