10 20 30 40 50 60 GUGUUCUUGGGAGCUCUGAGUGA - UU----| U ACA GUGGAA C AGGUA GUAAACA CCU CUCUCAGCU A G UCCGU CAUUUGU GGA GAGGGUCGA C GAACAGGAGGUCUGCUAAAG--- U CUCUCU^ C A-- AAGAAU 120 110 100 90 80 70