10 20 30 40 50 UGUAGGUGAGGCCACUCA-- A G -| GC UU UGUGUU GGGGUUG GCU UGGGCUG UGCGCU UG UGGG \ UUUCAAC UGA ACUUGGC ACGUGA AC ACCU A UAAUUGUCCGGUCUGCAUAA A A U^ -- UU GAAGUC . 110 100 90 80 70