10 20 30 40 50 60 CCAUCCUAGAGAACACUGAGUGA - CU----| U ACA GUGAAA C AGGUA GUAAACA CCU CUCUCAGCU A G UCCGU CAUUUGU GGA GAGAGUCGA U UAAAGAGAAAUCAACUAAAG--- U CUCUCU^ C A-- AAGAAU 120 110 100 90 80 70