10 20 30 40 50 CGGGGCCGGAUCGCACU--| C GGUC A G GUGUA GAGCUGG UUU UUUGGUU UCUAGCU UAUGA U UUCGACC AAA AAGCCAA AGAUCGA AUACU G CGGCCCCGACACUGCCGCC^ A AUGU G A GUAGU . 110 100 90 80 70 60