10 20 30 40 50 GUGAAGAAUGAAGAAUGU- A - -| U UUGUU UAUAGC UGA UACAUGCCAG AAAUGCAUUU ACA \ GUAUCG ACU AUGUAUGGUC UUUACGUAAA UGU U CGUAAAAUAACAACAAGUC A A U^ - UAAGU 110 100 90 80 70 60