10 20 30 40 50 UGCUAAAUCCUUUGUUCAGUUAUUAUAA --| C A A AAACAU GUA AG GAAAUUC AG UGGUUGUA \ CGU UC CUUUAAG UC ACCAACAU C UCAUGACGCUGAAACGGGUAGGUUUUUA UA^ U G - CAUGAG . 110 100 90 80 70