10 20 30 40 50 UGUUCAUAAUUCUGGUU- CU U-| UA U UUUUAU AGGA GGCUU UCCU GUCCAUGG UGCUUGUG \ UCCU UCGAA AGGG UAGGUGUC ACGAAUAC A GAACUCUCCUCAUCGAGU UG UC^ C- C GGAACU 110 100 90 80 70 60