10 20 30 40 50 UCAAUCAAUGAAAUCUU---| CCAC AG AUGUAUA GGUC UUGUCUUAGAAUAGGGG CUUAACUU \ UCAG AACAGAAUCUUAUUUCC GAAUUGAA U UCAAAAAGUCAACUAAAACA^ CUU- AA UAUGUAC . 110 100 90 80 70