10 20 30 40 50 UGCGUCGGAACUAUUCGAG--| UG U AUA GCUUCA GAUAUU AGGAGAGGUUA CCGUG UGUUC U CUAUAA UUUUCUCCAAU GGUAC AUAAG U ACCGGGAGGCUCCGUCUCAGA^ GU U AUA UACUAC . 110 100 90 80 70 60