10 20 30 40 50 GCUAAUGUGUUGUCUUU-- U G --| U U C UGGAA GCCC GGUCU UC AGCC CU UACGGUGCUGC UUG U CGGG CCAGA AG UCGG GA AUGUUACGACG AAC C CAAAAGGUCCUCGACUGCC C G UA^ - C - UAGGU . 110 100 90 80 70 60