10 20 30 40 50 UUUAUUGUGUUUCUCCAGU--| CC C AC U GGUU AUGC CUCUGU CCUGAG CCU AACCUGUGA \ UACG GAGACA GGGCUC GGA UUGGACACU A AAGGAAUUCGCAACUUUGACU^ UC A CU - GGAA 110 100 90 80 70 60