10 20 30 40 50 CGCUAGGAUUAAAUCUU--| U G A U CGUGUU UGGUAUU AAAA GU GAUUUUCCU CUAUGAUUA \ ACUAUGA UUUU CA CUAAAAGGA GAUACUAAU U UAUAAAGGUUUCGUCGUAA^ C G C - UGGUAU 110 100 90 80 70 60