10 20 30 40 50 GAAUAUGAUCAACAAUUA- CAU-| A AU CU GGCCA ACA AGCUUUCG GGCUAGAAAAUC U CCGGU UGU UUGAAGGC CCGAUUUUUUAG A AGUGGGAUUACCAUUAUAA CCGU^ G GC UG 110 100 90 80 70 60