10 20 30 40 50 UGGCCGGGACCCACUACA--| U UUG G U ACAGUU GA CCC AUUACG GUAUUCUCGGGU AAUAAU \ CU GGG UGAUGC CAUAAGAGUUCG UUAUUG A CUCUCGGCGACAGCUGCACC^ U CAG A - UAGUUA . 110 100 90 80 70