10 20 30 40 50 GCUGUUGGAGACUAAUA----| U GC A G G UGUUG GC CAA AGUAUU AAGUGCUUAUA UGCAG UAG C CG GUU UCAUGA UUCACGAAUAU ACGUC AUC A UAAACAUGUCGACGUCACAAU^ - A- G A - UAAUG 110 100 90 80 70 60