10 20 30 40 50 UGAAGAAGUCGAAUAGA--| GU A C UU G C GGGUAG UAGCA GGGGUC UUUCUC CC C AG UCAGG \ GUUGU CCUCAG AAAGAG GG G UC AGUCC A UUACUACUUACAACUUUCC^ AU A A U- - A ACGAUA 110 100 90 80 70 60