10 20 30 40 50 GUGGGUGCCUGUUCAGU--| G UA A UCU A UGAUGU GGGGGGCGU UC GG CUG AACCUGAGA UGG \ UCUUCCGCA AG CC GAC UUGGACUCU ACU G CGGGGACGCAACCUAGACC^ A UA C UGC A GGGAGU . 110 100 90 80 70