10 20 30 40 50 AUCCAACGGUAGGGCUAC--| CG U UU CUA GCUGGUAUAUU GGAUUUC GAGGGUAU UGUGA U UGGCCGUGUAA CCUAAAG UUCCCGUA ACAUU C ACCGUCUUAUCAACUUUUAA^ AU U -- CAA 110 100 90 80 70 60