10 20 30 40 50 CCGGUAUAGUCAUCGGGCAG-- G A - -| A UGUCUC GUCGA UGUC CUCA CGAAG UGGUUGU GUA \ CGGUU ACAG GAGU GUUUC ACCGACA UAU C CAGCGCGUCGUCAGCGGUCAAG A C A G^ C ACCUGA 110 100 90 80 70 60