10 20 30 40 50 UCAUCGGUCUAGCGGCU--| AUU - UC C U CUGUUGU GGG GG CUGGGG CAGUUUU CCAGGA UCC U CCC UC GACCCC GUCGGAA GGUCCU AGG A GUUGCACUAACGUCCCUUC^ GC- A U- A U AACCAUA 110 100 90 80 70 60