10 20 30 40 50
AAUUUGUGCCCGUCUCU----| AGUGU A G AA AUCUU
UUUGC GUC AAGUUGAGUC AU UGCGAUC G
AAACG CAG UUUAACUCAG UA GUGCUAG U
UAGUUAAUCCGAAACUACUAC^ GCU-- C G AC UAAUA
. 110 100 90 80 70 60