10 20 30 40 50 60 ACCUGCGCAGAGUUUGACU- -| UG U GU UUAGGGGUCCCC GUC CUU GGG GAG AGUAGGUUGUAUAGUU \ CAG GAA CCU UUC UCAUCUAACAUAUCAA C AUAGGUAGCAUCUAAAGUGU U^ GU - UG UAGACUGUCGGU . 120 110 100 90 80 70