10 20 30 40 50 UGUUGCAUGCGAUCUUG- UU U - U-| CGUUUAC AC CU UAUCUA CGUUCCAG AAUGCAUUUGCA \ UG GA AUAGAU GUAGGGUC UUACGUAAAUGU U CUAUCUUCAACUCCUUUA UU U C UC^ CAACCUC . 110 100 90 80 70 60