10 20 30 40 50 CUCCGUGCGCUGCCCCG---- ACA C-| UCCCCU A GUGAUGC UGG GUCU CACCACC GC AACGUCCA \ GCC CAGG GUGGUGG CG UUGCAGGU A CGCCCAGGAGCCGUCCCCCAA GGA UA^ UCU--- G AAUGGAG . 110 100 90 80 70