10 20 30 40 50 60 UCUUCGUCAUUUGGUGA- - C -| U GU UUUAUGU UC UUC CCAGGAA GCUGGUUUCA AUGGUG UUAGA \ AG AAG GGUUCUU UGACUAAAGU UACCAC GAUCU U AUUAGUGUGUCGACGAUA A A G^ U -- GUGACCC 120 110 100 90 80 70