10 20 30 40 50 AACAGACAGCUCGGUUUGUC C--| UG G A C UGUGGG UCGG UCCU ACUUG UCA AGCU CUCAG U AGUC AGGA UGAGC AGU UUGA GAGUC A UGGUAGGUUUCUCCAAGGGA UCU^ CA A C A CUGAAC 110 100 90 80 70 60