10 20 30 40 50 AUCUGCUGACUGCUACA--| C C A CGUUCUCGU GUGGCAG UUGGUUGUCGUAUG GUGAUG CA G CAUUGUC AAUCGACGGUAUAU CACUAC GU U UUAUAAUGAACAACAAGGA^ A A A AAGACCUUA . 110 100 90 80 70 60