10 20 30 40 50 GGUCUUUUAAUUGAGCG----| UU - - UC UGUAUG CUG CUAUGGUUAGUUUUGCA GG UUUGCA CAGC \ GAC GGUGUCAGUCAAAACGU CC AAACGU GUCG G GACCGAAACCUUGCCUGAAGU^ -- A U -- UCUCAU . 110 100 90 80 70