10 20 30 40 50 CGGGAAGGUCAGAGGUA--| G CU AC UAAACUUC CAGUGCA UCA CAUAAAGUAG AGCACUAC U GUCAUGU AGU GUAUUUCAUC UUGUGAUG C CUGACAGGUAGCGGCGGUU^ G AG CU UGACACAU . 110 100 90 80 70 60