10 20 30 40 50 60 CUCACCUGCAGCGGCGU-| UC UG CU GU A GUGGGGCCGAGU CUGU U UGG GAG AGUAGAUUG AUAGUU C GACG G AUC UUC UCAUCUAAC UAUCAA C UCCAGCUGCCACUUAGGA^ GA GA CU UG A UUGCGUCUCCCU . 120 110 100 90 80 70