10 20 30 40 50 CUUGAGACAGUCGAUAU- C C--| U U C UGGCA UCUCU UGCUUU AGCU CU UACAGUGUUGC UUG U AGAGA ACGAAA UCGG GA AUGUUACGACG AAC G UGGAGCCGACGUCGUUCG U CUA^ - C - UUGAG 110 100 90 80 70 60