10 20 30 40 50 60 GACUAUCUCUGGUUUGC---| A C U GUU- UC A GUCUGAUU GG UGA UCCGU UGGUUGAUG C GCA AGU \ CC GCU AGGCA ACCGACUAC G CGU UCA A UUAGCAUGACACUGCAGUGG^ C - U ACUU GA C CGCAUGAC 120 110 100 90 80 70