10 20 30 40 50 AGUGGUAUGGCGUCCUG--| AG G G UGGUCAGU UCUCCC CCUGAG UGCAGUGCU CAUCUC \ AGAGGG GGGCUC AUGUCACGA GUAGAG U GCUGCCGACGUCUUGUUGA^ AA G A UCUGAGGG 110 100 90 80 70 60