10 20 30 40 50 60 GCACGUCGUUGUCCUGCG--| C U C UCA GGCCACACU CGUC UGCGAGG GUCUUGCAGG CG UGCA G GCAG ACGCUCU CGGGACGUUC GC ACGU A CAGCAACCGCUACUCCUACA^ A U U UGG UGCAAUGGC 120 110 100 90 80 70