10 20 30 40 50 CAAAAUCCUUAGAAGUU-- C C --| U U C UUGCA UCUUA UGCC UC GGCU CU UACAGUGCUGC UUG U AGAGU ACGG AG UCGG GA AUGUUACGACG AAC A CAUAGUACACUUCUCGCUC U A UA^ - C - UAGGU . 110 100 90 80 70 60