10 20 30 40 50 60 AUUCGAGAUAUUGAAUGC---| UG U C U GU GC UUGAGUG GG GU UCGU UACCC GUA ACCGA UGUGU A CC CG AGUA GUGGG CGU UGGCU GCACA U UGCCAUUUACCUUUUAUAUAC^ GU C A C -- A- UACGUAU 120 110 100 90 80 70