10 20 30 40 50 CUCUGGACAUGACUGUA-- G --| U U C UUGCG UCUCUGU CUUUC AGCU CU UACAGUGCUGC UUG U GGAGACA GAAAG UCGG GA AUGUUACGACG AAC U UUGAGUUCUCUUCUCGUAC A UA^ - C - UGUAC . 110 100 90 80 70 60