10 20 30 40 50 UACAAUAAGAAUAUUGCAC--| GCA UG A U A C GAAAU CC C AU UCAGC GU AAGAUG CUUCUU \ GG G UA AGUCG CA UUUUAC GAGGAA U UAUACAGACGCGACUCACUCU^ AUC GU C U A U CAAAU 110 100 90 80 70 60