10 20 30 40 50 UUCUGCCAGAUGUGACA--| A C CG A A GCAAU GU CA GGUGUCC AAAGUCUUG UGCA UUUUA U CA GU CCACAGG UUUCAGAAU ACGU AAAAU A GUCUACGUCUUGUGACAUA^ C C AU C A GUGAA 110 100 90 80 70 60