10 20 30 40 50 GCCGCCAGCUCAUCCUGU ---| AG U GUGUGG GUC UCC GGCAACCGUGGCU UAGAUUGUUACU A UAG AGG CUGUUGGUACCGA AUCUGACAAUGG U AAGGCUACUACGAUUACG GUA^ G- C UGAGGG . 110 100 90 80 70 60