10 20 30 40 50 CCUUCAGUCUCAGCUUAA- CCC-| A UU U UUGUUU AGGA CCAG ACU AAUGUGGA GUACUUGCU \ UCCU GGUC UGG UUGUACCU CGUGAAUGA C AAAAUGUACAACUCUCUCG AAGU^ G UU U AAAAGU . 110 100 90 80 70