10 20 30 40 50 60 ACCUGCCCCAUGCUAUU--| A A C G U CGGUUUA GUUUGGU CUUA AG GAG UUGCCCUU GUAUAUU U CAAACUA GAGU UC CUC AACGGGAA CAUAUAG U CCUGUCCUAGGUUCUAUUC^ C G U G - GGUACAG 120 110 100 90 80 70