10 20 30 40 50 UUCUCUGAAAAUCCCCUCAAAA -- A -| AAU UAGCUCA UGGAGA AGA GGAAACU AGAC CUUACA \ AUCUCU UCU CUUUUGA UCUG GAAUGU A UUAGAAUGGUUAGUUAUAAGGG CC C U^ CUC CUAAUAA 120 110 100 90 80 70