10 20 30 40 50 60 GUCAAGGCGGGGUCGAGG--| CCC A U CU A UUUGUUUGAACUC CGGG CGUGG ACA UCAACG GUCGGUG GU C GCCC GCACC UGU AGUUGC CAGCUAC CA U CCACAACGGCACCAUUGCCG^ AGU A C -- - AAUAAAAGUAUAC 130 120 110 100 90 80 70