10 20 30 40 50 GGUGCAGCUGAAGCAGCAC- U-| U CA C A GU AGGUGU GCC UGC GUGGCUGGU AA GG ACCAA C U CGG GCG CAUCGACCA UU CC UGGUU G U ACCGAAGGUGCGGCGACACA CU^ U AC C C UG AGUGUC . 110 100 90 80 70 60