10 20 30 40 50 AGAACUCAGUCCUUCUU--| U G A U U CGUGAU UGGUAUU AAAA GUGGAU UUCCU CUAUG UUA \ ACUAUGA UUUU UACCUA AAGGA GAUAC AAU U UAUAGAGGUUUCGUCGUAA^ C G A - U AGAUAC 110 100 90 80 70 60