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