10 20 30 40 50 UCUACGAUUUCCCGAGC- A-| ACGUG UUCGAG CCGAGC UCGAAGUCUCGUGCUC GGGAAAG \ GGUUCG AGUUUCAGGGCACGAG CUCUUUC C UUCCAUGGGAAGUGUAUA CA^ CCUG- UAAGUC 110 100 90 80 70 60