BMC Genomics 2008, 9:61 b F u N s e u f m o s F R m s u r f o N F u 6 6 A 9 8 7 Ouf 5 reb 4 uN 3 2 1 0 B RO20 eb15 10 5 0 C 8 7 RO5 or 4 m3 2 35 30 25 1 0 http://www.biomedcentral.com/1471-2164/9/61 1-20 21-40 41-60 61-80 81-100 101-120 121-140 141-160 161-180 181-200 uORF length (a.a.) 1-20 21-40 41-60 uORF length (a.a.) 61-80 81-100 1-20 21-40 41-60 61-80 81-100 101-120 121-140 141-160 161-180 181-200 uORF length (a.a.) FCiognusreerv1ed peptide uORF length distribution Conserved peptide uORF length distribution. A. A total of 44 CPuORFs identified in Drosophila melanogaster, B. CPuORFs in Arabidopsis thaliana as described by Hayden and Jorgensen [19], C. CPuORFs conserved between D. melanogaster and non-Brachycera species. Page 6 of 14 (page number not for citation purposes)