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