10 20 30 40 50 60 AAAACAAUCAUGUUCAAGACCC--| CU GC ACAUU UGACGAGA GGUUUUCACAGUGAUUU CAGA \ AUUGCUUU UCAAAAGUGUUACUAGA GUCU U CAGAAGUGUUUGAGACUACUUCCU^ AG -- AAGAA . 110 100 90 80 70