10 20 30 40 50 60 UUCAGUGUUUUUUUUAA-- U G -| C U C UGUUUUAUUU GAUAA AAUUUU UGAG AGGU UA CCUGA GCA U CUAUU UUGAGA ACUC UCCA AU GGACU CGU U AUAUUUAUUUGCUCCGAAA U A U^ C U U CCUACUUGUU 120 110 100 90 80 70