10 20 30 40 50 GGAGCAGCACGGCCCUG--| CCAG G G UGGUCAGU UCUC CCUGAG UGCAGUGCU CAUCUC \ AGAG GGACUC AUGUCACGA GUAGAG U ACCACCGACGUCUUGUUGA^ AGAA G A UCUGAGGG 110 100 90 80 70 60