10 20 30 40 50 UCUCUUUCUGAAGCAACA--| CU U CA U A GU AGGUGU CGC UGC GUGGCUGGU AA GG ACCAA C U GUG GCG CAUCGACCA UU CC UGGUU G U CAGAUAUACAUCCGACAUAA^ CU U AC C C UG AGCGUC . 110 100 90 80 70 60