10 20 30 40 50 GUGGCUCUGUCCGUCUC- G - -| CGUGGU GCGGCUGCCGG GG CAUUUUUGUGAUU UGCAGCU C CGCCGGCGGCU CU GUGAAAACACUGA ACGUUGA U CCAGGCCGUCGUCGUCCG G A U^ CCUGGG 110 100 90 80 70 60