10 20 30 40 50 UUGGAUCUUUGCGAAUUU-- A A--| GUA CUGAGU GUUUUUGAGAGC AAGUUCUGUA CAC GACU A CAGAGACUUUUG UUCAAGACAU GUG CUGA C GACGGCGCCGCACAGGUGAC G CAC^ A-- AGAUGG . 110 100 90 80 70 60