10 20 30 40 50 UCGACCAUUGGUUCCAU--| ACG C AA UC C GUGAAGG GCAGC GUGU UGG GUCGCACG AUGC GU \ CGUCG CACA GCC CAGUGUGC UACG CG U GGAUACCGACCGACCUCUG^ CGA U CC GA A UAUAAGG . 110 100 90 80 70