10 20 30 40 50 CCCAAGGUGGGCGGACU-- CU -| A U GUGCGGU GGGCGGGGGCC CGUC UUACCC GCAGUGUU GG \ CCUGUCCCCGG GUAG AAUGGG CGUCAUAA CU U UACCUACAACGACUGUGUC AG U^ C U CUGAGGG 120 110 100 90 80 70