10 20 30 40 50 GCAUUGUGGAUAUUUGAUAGAU-- UG U G -| AU GUUCUU CCU C GU AACAG UUUCGUUGG CUGU C GGA G CA UUGUC AAAGUAACC GACA U AUCUACGAGUCCUACUAAGUUAGU GU C G A^ CU ACGAAG . 110 100 90 80 70 60