10 20 30 40 50 CGUUAACAUAAGGAUUAA--| AU C G U ACCUG CC CU UUCCGU AAAGACA GGGUAGUGAGAUG \ GG GA AAGGCA UUUCUGU UCCAUCACUCUAC U AAUAUUAGACUACUUAUAAA^ AU C G - GAUCU 110 100 90 80 70 60