10 20 30 40 50 60 AUCUACACGGUUGCCAA- U-| A U UCUGAG G UUGAUU CCC ACUCUGGGA GG GCCAU GGCCAG AGU \ GGG UGGGACCCU CC CGGUA UCGGUC UCA A UGACCGGACCCACACUAU UC^ C C UCG--- - CUGUGU . 110 100 90 80 70