10 20 30 40 50 CCCUUGCAGGGCUGUUG-- C UC --| U U C UGGCA CCUCC UGC UC AGCC CU UACGGUGCUGC UUG U GGAGG GCG AG UCGG GA AUGUUACGACG AAC C ACCUGCUCUGACACGUACA U GA UA^ - C - UAGUU . 110 100 90 80 70 60