10 20 30 40 50 GUCACGUGCAAAAGUCU----| UUUUCA C GC- CU GUACA GCC CUGGUC CU CUCA CUAGUUACAU C CGG GACCAG GA GAGU GGUCGAUGUA U GCUUGUUUCUCGCACUAAUCC^ UGCG-- A ACA C- ACGUC . 110 100 90 80 70 60