10 20 30 40 50 UGGCACCAGUGGGCUGC-- CCG C ---| A GUCUAC UGGGACCG GCU UGACAAUGU UGCACU CU A ACCUUGGU CGA ACUGUUAUA ACGUGA GA C UCAGUCCUGCAUAAUCUUG UUA A AUA^ C AUUAAA 110 100 90 80 70 60