10 20 30 40 50 60 UGAAGAAGGCGGUGUAAC-- -| C U GU UUUAACU UUCUCCAGGAGC CUGGUU CA AUGGUG UUAGA \ AAGAGGUUCUUG GACUAA GU UACCAC GAUCU G CUCUCAACACUACGCUCGGA U^ A U -- GUGUCGA 120 110 100 90 80 70