10 20 30 40 50 GGCUUGUGUCUCAUACC-- C A-| C A C UUGGCU UCCGGUC GCCCA ACC GU GAU CGAACUUGUG \ AGGUCGG CGGGU UGG CA CUA GCUUGGACAC U ACCAUCCGUCCUACGCUCA U CC^ A C A UUAUAC . 110 100 90 80 70 60