10 20 30 40 50 GAUCCCUGCCCAUGAUC--| A C CAC - AAAGAU CU GGGGAUGGGGAAGC AAC AGACACCA CAGA \ GG UCCUUGUCCUUUCG UUG UCUGUGGU GUCU A CCCACAGUCCCAUAGUGCA^ G - AU- A CUCUAA . 110 100 90 80 70