Fig. 6.

Positive splice junctions tend to have both donor and acceptor sites annotated. a Discrete proportions of negatives, positive splice junctions without annotated site, positive splice junctions with acceptor site annotated, positive splice junctions with donor site annotated and positive splice junctions with two sides annotated, given the average read support per sample. 97% of splice junctions with both sites annotated are classified as positives, while only 39% with both sites being novel are positive. Splice junctions connecting annotated splice sites also tend to be associated with higher read coverage. b Cumulative proportions of positive splice junctions in each category with the increase of the average read support per sample