Figure 7

Alu's unique cis-regulatory context. Exonic and intronic densities of (a) ESEcomb, (b) SRall and (c) ESScomb motifs on primate specific exons overlapping Alu elements (PS-Alu) and on Alu pseudo-exons (pseudo-Alu). (d) Exonic relative abundance of ESEcomb, SRall and ESScomb motifs for primate specific exons overlapping Alu elements (PS-Alu) and for Alu pseudo-exons (pseudo-Alu). (e) Exonic relative abundance for the same sets of motifs in pseudo-exons overlapping other classes of repeats, namely DNA, LTR, LINE and SINE non-Alu (MIR) repeats. The error bars represent the standard error.