10 20 30 40 50 CCGAGUGUUGUCCAUGA----| GGAAU G U AGA UUA UAGG GGAU GU GAUCAG ACAUACAUU U AUCC CCUG CA CUAGUC UGUAUGUAG C GACAGGACUCUUCAGAGACCU^ AUC-- A C AAC UAA 110 100 90 80 70 60