10 20 30 40 50 UCUCUUUCUGAAGCAACA--| CU U CA U A CAGGUGU CGC UGC GUGGCUGGU AA GG ACCAAGU U GUG GCG CAUCGACCA UU CC UGGUUUG U CAGAUAUACAUCCGACAUAA^ CU U AC C C GAGCGUC . 110 100 90 80 70 60