10 20 30 40 50 UUAUUUUCUGGAGACUU-- --| U U C UGGCA UCUGUGUGCAGUGA GCU CU UACAGUGUUGC UUG U GGACAUACGUCACU CGG GA AUGUUACGACG AAC G ACACGUAGAGGCGACGUCG AU^ - C - UAGCG . 110 100 90 80 70 60