10 20 30 40 50 UGAACGUCUGGAAGAUU-- U --| U U CUUGUUGCA UCUUA UGUCUUC GGCU CU UACAGUGCUGC \ AGAGU ACGGAAG UCGG GA AUGUUACGACG U AAAAAAAAACUUCUCGUUU C UA^ - C AACUAGGUA . 110 100 90 80 70 60