10 20 30 40 50 AAACGGUUGAGUUCACGCU--| C C A C A UUUUU GGG UG GUCCACAGGCAC GC GGUUUG GCA A UCC AC CGGGUGUCCGUG UG CCAAAC CGU C CUUCUGAGGUCCUCGUCCACU^ A A C A - UAAGU 110 100 90 80 70 60