10 20 30 40 50 CUCGCACUGCGGUGUCA- -| C U UA AUUACAU CUA CU UGC GU UUUUUUUAGGUUUUGAUUUUU \ GAU GA ACG CG AAAGAAAUCCAAAACUAAAAG C UAGGUUGUCGUCUUAUUA A^ A U UA CGUACUU . 110 100 90 80 70