10 20 30 40 50 GCAUGAUGUGAAAGAAC-- CA A C -| AGCUUUGC GGAA UUCU GGAGUUGUAGU UUUCAA ACAG A CCUU AAGG CCUCGACAUCA AAGGUU UGUC A AAAGUGUCGGUCACUGUGA UC A C A^ CAUACAUG . 110 100 90 80 70 60