10 20 30 40 50 GCGCUGAUACUGUUACC-- ACU -| UU CGA UAGUCAC CAGCAG GGAUU UAAAGGGAA UG CUGUU \ GUCGUC UCUAG AUUUUCCUU AC GACAA A CCGACGUCUUCUCUGUCUC CGU A^ CC ACC GAUUAUU 120 110 100 90 80 70