10 20 30 40 50 GGUGCUGUUUCAUUUGU--| CCU CG UUAA UCU GACAGAUAAGCUUUUUGUUUG UUAUGU A AGA UUGUCUGUUUGAAAAACAAGC AAUAUA U GUGUGCGUGUCAGCAUGUC^ CGU AG AGAU 110 100 90 80 70 60