10 20 30 40 50 AAGAAGUCUCAGAAAAU- C CC-| UU A UGGUUC GUGUGUC CUA UGAUAUGU GAUAU UUGGUGG \ UAUACGG GAU GCUGUACA CUGUA AACCACC A ACAGUUACACUUCGUUUC U AGU^ CU - CUAUAU . 110 100 90 80 70