10 20 30 40 50 UUCAUGUCAGUUGAGCA----| CUC - - UC UGUAUA CUGUU UGGUUAGUUUUGCA GG UUUGCA CAGC \ GACGG GUCAGUCAAAACGU CC AAACGU GUCG A AGUUUAAAAGUAACUUAAAGU^ U-- A U -- UUGUGU . 110 100 90 80 70